Relative Humidity Humidity Transmitters

Chilled Mirror Hygrometer -- DewTran® II
from Roscid Technologies

The DewTran ® Series (patented technology) is a low cost, precision chilled mirror hygrometer that provides quick and accurate measurements of dew point, air temperature, humidity, or barometric pressure measurements. The hygrometer can be configured as a wall mount, duct mount, remote mount, or... [See More]

  • Variables Measured: Relative Humidity; DewPoint
  • Dew Point Range: -40 to 77
  • Relative Humidity Range: 0.0 to 95
  • Operating Temp: -4 to 140
Oil humidity sensor -- LDH100
from ifm electronic gmbh

Continuous condition monitoring of oils and air. Two analogue outputs for relative moisture and temperature. High pressure rating. Quick installation via process connection [See More]

  • Variables Measured: Relative Humidity
  • Relative Humidity Accuracy: 3
  • Relative Humidity Range: 100
  • Operating Temp: -40 to 185
Industrial Hazardous Humidity Transmitter -- AH711P3L120T1HT480N1N25NT
from Minco

Minco hazardous area humidity detector assemblies are FM and CFM approved explosion proof/intrinsically safe or intrinsically safe. They feature a heavy duty industrial design, a thin film capacitive humidity sensor, a platinum compensating RTD, stainless steel sintered filters, and an optional... [See More]

  • Variables Measured: Relative Humidity
  • Electrical Outputs: Current
  • Relative Humidity Range: 0.0 to 100
Compact Humidity and Temperature Transmitter for HVAC and Building Technology -- EE150
from E+E Elektronik

The EE150 humidity and temperature transmitter has been optimised specifically for use in the HVAC and building automation and impresses with an outstanding price/performance ratio. The clever housing concept, the compact design and the Ø 6mm probe simplify istallation, which results in... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 3 to 5
  • Relative Humidity Range: 10 to 90
  • Operating Temp: 23 to 131
Combined Pressure, Humidity and Temperature Transmitter -- PTU300
from Vaisala

For Demanding Applications. The PTU300 is a unique instrument measuring three parameters simultaneously: barometric pressure, humidity, and temperature. The instrument has four different humidity probe options for various measurement needs. Reliable HUMICAP ® and BAROCAP ® sensor... [See More]

  • Variables Measured: Relative Humidity; Pressure; Temperature
  • Relative Humidity Accuracy: 1
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 140
Dewpoint and RH Hygrometer -- Optidew
from The Kahn Companies

The Optidew Dewpoint Hygrometer uses fundamental optical dewpoint measurement to provide drift-free long-term performance. It offers a wide measurement range of -76 to +194 °F dewpoint (or 0.5 to 100% relative humidity) at temperatures from -40 to +194 °F. Optidew provides two linear 4 -... [See More]

  • Variables Measured: Relative Humidity; Absolute Humidity; Moisture Content; DewPoint; Temperature
  • Dew Point Range: -76 to 194
  • Relative Humidity Range: 0.5000 to 100
  • Dew Point Accuracy: 0.36
HVAC Explosionproof Electric Sensors and Switches, ExCos/ExBin Range
from Rotork plc

ExCos analogue sensors and ExBin binary switches are designed for direct use in hazardous locations. No additional modules in the panel required. No intrinsically safe wiring required. All parameters adjustable on site without additional tools or measuring devices. Sensors and switches for pressure,... [See More]

  • Variables Measured: Relative Humidity; Pressure; Temperature
  • Operating Temp: -4 to 122
  • Relative Humidity Range: 0.0 to 95
  • Display: Digital Readouts or Indicators
Chilled Mirror Transmitter -- DewTrak II
from Edgetech Instruments Inc.

The Edgetech Instruments Model DewTrak II dew point / humidity transmitter is an optical chill mirror hygrometer designed to continuously measure the moisture content in gases. The instrument is powered by 24Vdc. The DewTrak II uses the chilled mirror dew point temperature condensation principle to... [See More]

  • Variables Measured: Relative Humidity; DewPoint
  • Electrical Outputs: Current; Voltage
  • Display: Digital Readouts or Indicators
  • Digital Outputs: Serial Interface
Temperature & Humidity Transmitter -- ESTHD50x
from CARLO GAVAZZI Automation Components

High-tech sensor components for long-term stability and with an exceptional accuracy. Compact duct housing, perfectly suitable to be used in HVAC ventilation ducting. Duct mounting. 0-10 V or 4-20 mA output. 0 to 50 ºC temperature and 0 to 100% humidity measuring range. Duct housing suitable to... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 3
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: 32 to 122
Relative Humidity and High Temperature Transmitter with Probe -- HTRH
from TEGAM, Inc.

High Temperature RH Temperature Transmitter. Duct Mount. 4-20 mA. TEGAM's high temperature solution for RH and temperature monitoring under high temperature conditions. The Humitran-T Series transmitters measure humidity levels from 3% to 95% RH and temperatures from -40 °F to 356 °F (-40... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 3 to 95
  • Operating Temp: -40 to 356
Single And Dual Channel Relative Humidity Transmitter -- Model SEM161
from Status Instruments, Inc.

The SEM161 & SEM 162 are cost effective “smart ” relative humidity transmitters with a single two wire 4 to 20 mA output (SEM161) or a dual two wire 4 to 20 mA output (SEM162). The design uses a smart interchangeable digital sensor for relative humidity that can be replaced without... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -22 to 185
Chilled Mirror Hygrometer -- DewTran® Series
from Roscid Technologies

The DewTran ® Series (patent pending) is a low cost, precision chilled mirror hygrometer that provides quick and accurate measurements of dew point, air temperature, humidity, or barometric pressure measurements. The hygrometer can be configured as a wall mount, duct mount, remote mount, or for... [See More]

  • Variables Measured: Relative Humidity; DewPoint
  • Relative Humidity Accuracy: -2 to 2
  • Relative Humidity Range: 0.0 to 95
  • Dew Point Range: -40 to 190
Industrial Hazardous Humidity Transmitter -- AH731P3L120T1HT480F1N25NT
from Minco

Minco hazardous area humidity detector assemblies are FM and CFM approved explosion proof/intrinsically safe or intrinsically safe. They feature a heavy duty industrial design, a thin film capacitive humidity sensor, a platinum compensating RTD, stainless steel sintered filters, and an optional... [See More]

  • Variables Measured: Relative Humidity
  • Display: Digital Readouts or Indicators
  • Relative Humidity Range: 0.0 to 100
  • Electrical Outputs: Current
Digital Humidity and Temperature Module -- EE03
from E+E Elektronik

The EE03 is an accurate humidity and temperature digital sensor with serial two-wire interface and a simple E2 protocol. Originally designed for the automotive industry, EE03 can be used as stand alone device or as plug in module for data loggers, handheld and other devices. Due to its construction... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 3
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 185
Dew Point Transmitters -- DMT345 and DMT346
from Vaisala

For High Temperature Applications. Vaisala DRYCAP ® Dewpoint Transmitters DMT345 and DMT346 are the best-in-class choice for direct measurement of humidity without sampling systems in high-temperature applications such as baking ovens or high-temperature dryers. Vaisala DRYCAP ® Sensor... [See More]

  • Variables Measured: Relative Humidity; DewPoint
  • Relative Humidity Accuracy: 1.5
  • Relative Humidity Range: 0.0 to 100
  • Dew Point Range: 33 to 212
Compressed Air Transmitters -- 6740 Series
from Edgetech Instruments Inc.

The 6740 Series incorporates a ±1% maintenance free humidity probe ideal for checking humidity measurements for validation of critical environments. It's rugged, compact and protected by a waterproof aluminum housing. The accuracy of this probe has been tested and proven time and again in... [See More]

  • Variables Measured: Relative Humidity; DewPoint
  • Dew Point Accuracy: 3.60
  • Dew Point Range: -76 to 86
  • Operating Temp: 32 to 122
Temperature & Humidity Transmitter -- ESTHW50x
from CARLO GAVAZZI Automation Components

Simple transmitter for temperature and humidity. Comes with 2 analog outputs. Compact and easy to install. Wall mounting. 0-10 V or 4-20 mA output. 0 to 50 ºC temperature and 0 to 95% humidity measuring range. Simple installation. Compact housing [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 3 to 5
  • Relative Humidity Range: 0.0 to 95
  • Operating Temp: 32 to 122
Relative Humidity and Temperature Transmitter -- RH
from TEGAM, Inc.

RH Temperature Transmitter. 0-1 V. TEGAM's solution for monitoring relative humidity and temperature, the RHT series provides a linearized output current from 4 mA to 20 mA(model RHT-20C) or a linearized output voltage from 0 V to 1 V DC (model RHT-10V) representing temperature and humidity. [See More]

  • Variables Measured: Relative Humidity; Temperature (optional feature)
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 3 to 95
  • Compensation: Temperature Compensation
High Temperature Humidity Transmitter -- HDR200
from Roscid Technologies

Dew point or RH transmitter. User settable. Accuracy is +/-2% at 85RH at 85C (special calibration). 24 Vdc loop powered (4-20mA). Specifications. Three foot cable between sensor and the electronics. Max operating temperature 190C. 0%RH at 190C (steam application). NEMA 4 housing with cable gland. [See More]

  • Variables Measured: Relative Humidity; DewPoint
  • Relative Humidity Accuracy: -2 to 2
  • Relative Humidity Range: 0.0 to 95
  • Dew Point Range: -76 to 104
Outside Air (OSA) Humidity Transmitter -- AH429O1N10T1
from Minco

Minco outside air detector assemblies are temperature compensated, compact and lightweight. They are designed for use in outdoor applications. They feature an integrated circuit sensor with a stable polymer element that is encapsulated by a sintered stainless steel filter, plus an advanced... [See More]

  • Variables Measured: Relative Humidity
  • Electrical Outputs: Current
  • Relative Humidity Range: 10 to 80
Humidity and Temperature Probe -- EE08
from E+E Elektronik

The EE08 is optimized for accurate humidity and temperature measurement over a wide working range. The probe has both analogue and digital outputs and is available with either cable or M12 connector. It is possible to choose between active and passive temperature measurement. The probe is easily... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Compensation: Temperature Compensation
Humidity and Temperature Transmitter -- Series HMD/W80
from Vaisala

#177;3%RH Low Maintenance Transmitters for Standard HVAC. The HMDW80 series is versatile with transmitters for wall and duct mounting for measuring relative humidity and temperature in various building automation applications. These transmitters combine easy installation and reliable operation with... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 140
Dew Point/Humidity Transmitter for Motor Octane Testing -- DewTrak II MO
from Edgetech Instruments Inc.

The Edgetech Instruments Model DewTrakII MO dew point/humidity transmitter is an optical chill mirror hygrometer designed to continuously measure the moisture content and Barometric pressure in the motor octane testing process. It is used to monitor and ensure compliance with test standards ASTM... [See More]

  • Variables Measured: Relative Humidity; DewPoint; Pressure
  • Electrical Outputs: Current
  • Display: Digital Readouts or Indicators
  • Digital Outputs: Serial Interface
Temperature, Humidity & DewPoint Transmitter -- ESTxD50xM
from CARLO GAVAZZI Automation Components

High-grade sensor components for long-term stability and with an exceptional accuracy. Compact housing to measure temperature, humidity or dew point. Comes with standard Modbus for easy integration to building system and selectable 4-20 mA or 0-10 V analogue output. Duct mounting. 0-10 V or 4-20 mA... [See More]

  • Variables Measured: Relative Humidity; DewPoint; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Dew Point Range: -40 to 140
Relative Humidity and Temperature Transmitter and Probe -- RDP
from TEGAM, Inc.

RH Temperature Transmitter and Probe. Stainless Steel Duct. 0-10V. TEGAM's Humitran duct probes provide a reliable, accurate, and low cost method for monitoring relative humidity plus temperature. Solid state sensors supply excellent sensitivity, fast response and long term stability. Simple hook up... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 3 to 95
  • Compensation: Temperature Compensation
Precision Dew Point Chilled Mirror Transmitter -- DewTran®-LC
from Roscid Technologies

The DewTran ® -LC (patent pending) is a low cost, precision dew point chilled mirror transmitter that provides a quick and accurate measurement of dew point. The transmitter has one configuration and is designed for three different applications (wall mount, duct mount and pipe mount). The unit... [See More]

  • Variables Measured: Relative Humidity; DewPoint
  • Relative Humidity Accuracy: -3 to 3
  • Relative Humidity Range: 0.0 to 95
  • Dew Point Range: 5 to 122
Space Humidity Transmitter -- AH429S1N10
from Minco

Minco space humidity detector assemblies are temperature compensated, compact and lightweight. They are designed for mounting directly on interior building walls. They feature an integrated circuit sensor with a stable polymer element that is encapsulated by a sintered stainless steel filter, plus... [See More]

  • Variables Measured: Relative Humidity
  • Electrical Outputs: Current
  • Relative Humidity Range: 10 to 80
Humidity and Temperature Transmitter -- EE220
from E+E Elektronik

The EE220 humidity and temperature transmitter with pluggable, interchangeable probes is optimized for clean room, food and pharmaceutical industry. The EE220 basis unit can accommodate one combined EE07 RH and T probe or two separate EE07 probes, one for RH and one for T. The probes can be plugged... [See More]

  • Variables Measured: Relative Humidity
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 140
Humidity and Temperature Transmitter -- Series HMDW110
from Vaisala

#177;2%RH transmitters with a certificate for demanding HVAC. Vaisala HUMICAP ® Humidity and Temperature Transmitter Series HMDW110 is suitable for relative humidity, dew-point, enthalpy, wet-bulb temperature and temperature measurement in demanding HVAC applications. The series includes... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 140
Temperature, Humidity & DewPoint Transmitter -- ESTxW50xxM
from CARLO GAVAZZI Automation Components

High-grade sensor components for long-term stability and with an exceptional accuracy. Compact housing to measure temperature, humidity or dew point. Comes with standard Modbus for easy integration to existing systems with the option to choose builtin backlight display. Wall mounting. 0-10 V or 4-20... [See More]

  • Variables Measured: Relative Humidity; DewPoint; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Dew Point Range: -40 to 140
Precision Hygrometer -- RO120
from Roscid Technologies

The RO120 is a precision transmitter that provides quick and accurate humidity, barometric pressure, temperature, absolute pressure, and dew point measurements in a wide range of applications. It has a wide temperature range of -40 °C to 120 °C and is resistant to most chemicals. This remote... [See More]

  • Variables Measured: Relative Humidity; DewPoint; Pressure; Temperature
  • Relative Humidity Accuracy: -1 to 1
  • Relative Humidity Range: 0.0 to 95
  • Dew Point Range: -76 to 203
Standard Hazardous Humidity Transmitter -- AH741C3L40T1HT490N1N25NT
from Minco

Minco intrinsically safe humidity assemblies are FM and CFM approved. They feature a thin film capacitive humidity sensor, a platinum compensating RTD, stainless steel sintered filters, and an optional temperature loop. For applications requiring: Climate control in highly flammable locations. [See More]

  • Variables Measured: Relative Humidity; Temperature (optional feature)
  • Electrical Outputs: Current
  • Relative Humidity Range: 0.0 to 100
Humidity and Temperature Transmitter -- EE33
from E+E Elektronik

EE33 is optimised for reliable humidity and temperature measurement in applications with temporary condensation, permanent high humidity or chemical exposure. Condensation on the monolithic humidity sensor and the filter cap is prevented by controlled heating of the sensor. The measuring principle... [See More]

  • Variables Measured: Relative Humidity; DewPoint; Temperature
  • Relative Humidity Accuracy: 1.3
  • Relative Humidity Range: 0.0 to 100
  • Dew Point Range: -40 to 212
Humidity and Temperature Transmitter -- Series HMS110
from Vaisala

#177;2%RH outdoor sensors for HVAC ​. Vaisala HUMICAP ® Humidity and Temperature Transmitter Series HMS110 are ideal for cooling tower control and differential enthalpy control of economizers. The HMS110 directly outputs wet-bulb temperature, enthalpy and dew-point in addition to RH and... [See More]

  • Variables Measured: Relative Humidity; DewPoint; Temperature; Enthalpy, Wet Bulb
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 140
Standard Hazardous Humidity Transmitter -- AH751C3L40T1HT490F1N25NT
from Minco

Minco intrinsically safe humidity assemblies are FM and CFM approved. They feature a thin film capacitive humidity sensor, a platinum compensating RTD, stainless steel sintered filters, and an optional temperature loop. For applications requiring: Climate control in highly flammable locations. [See More]

  • Variables Measured: Relative Humidity; Temperature (optional feature)
  • Display: Digital Readouts or Indicators
  • Relative Humidity Range: 0.0 to 100
  • Electrical Outputs: Current
Humidity and Temperature Transmitter for High-end Meteorological Applications -- EE33-M
from E+E Elektronik

EE33-M is optimised for reliable humidity and temperature measurement in high-end meteorology applications. A dual heating system prevents condensation on the humidity sensor, on the sensing probe and on the filter cap. This leads to an extremly short response times and fast recovery after condesing... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 1.3
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 140
Humidity and Temperature Transmitter -- Series HMS80
from Vaisala

#177;3%RH Outdoor Sensor for HVAC. A reliable basic outdoor humidity sensor for a pole or wall installation. Dew point, wet bulb and enthalpy outputs can be selected by dip switch instead of the default RH output. The Humidity and Temperature Sensor Transmitter Series HMS80 are optimized for... [See More]

  • Variables Measured: Relative Humidity; DewPoint; Temperature; Wet Bulb, Entropy
  • Relative Humidity Accuracy: 3
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 140
Wall / Duct Humidity Transmitter -- AH429D1N10T1
from Minco

Minco wall/duct humidity detector assemblies are temperature compensated, compact and lightweight. They are designed for use in air ducts and plenums. They feature an integrated circuit sensor with a stable polymer element that is encapsulated by a sintered stainless steel filter, plus an advanced... [See More]

  • Variables Measured: Relative Humidity
  • Electrical Outputs: Current
  • Relative Humidity Range: 10 to 80
Humidity/Temperature Transmitter -- EE300Ex
from E+E Elektronik

The EE300Ex humidity and temperature transmitter is dedicated for measurement in explosion hazard areas. It complies with the classifications for Europe (ATEX), International (IECEx) and USA / Canada (FM) and can be employed in gas and dust explosion hazard areas. The intrinsically safe EE300Ex can... [See More]

  • Variables Measured: Relative Humidity
  • Relative Humidity Accuracy: 1.3
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 140
Humidity and Temperature Transmitter -- Series HMT310
from Vaisala

For Demanding Industrial Applications. The Vaisala HUMICAP ® HMT310 series is for demanding industrial applications where compact product design is essential. The measurement stability is excellent. The instrument is easy to integrate, small in size and insensitive to dust and most chemicals. [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 1
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 356
Multifunctional Industrial Transmitter -- EE31
from E+E Elektronik

EE31 is optimized for reliable humidity and temperature measurement in demanding industrial applications up to 180 °C (356 °F). In addition to precise measurement of relative humidity and temperature, the transmitter calculates additional parameters such as dew point, absolute humidity or... [See More]

  • Variables Measured: Relative Humidity; Absolute Humidity; DewPoint; Temperature; Frost point Temp, Specific Enthalpy
  • Relative Humidity Accuracy: 1.3
  • Relative Humidity Range: 0.0 to 100
  • Absolute Humidity Range: 0.0 to 700
Humidity, Temperature, Dew Point, and Moisture Transmitters -- Indigo 200 Series
from Vaisala

For Vaisala's Smart Humidity, Temperature, Dew Point, Moisture in Oil, CO2 and H2O2 Probes. Vaisala Indigo 200 Series host devices are part of Vaisala Indigo product family and intended for Vaisala's intelligent, stand-alone humidity probes (HMP3, HMP4, HMP5, HMP7, HMP8 and HMP9), dew point probes... [See More]

  • Variables Measured: Relative Humidity; DewPoint; Temperature
  • Operating Temp: -40 to 140
  • Relative Humidity Range: 0.0 to 100
  • Electrical Outputs: Voltage; Switch
Relative Humidity Transmitter - SRH Duct Mount
from Setra Systems

Model SRH Relative Humidity Transmitter Series for HVAC Building automation systems and other relative humidity monitoring applications. The Model SRH humidity transmitters are available with optional passive or active temperature sensing. Features: Key Part Of Comprehensive HVAC Solution Package... [See More]

  • Variables Measured: Relative Humidity
  • Operating Temp: 14 to 140
  • Relative Humidity Accuracy: 2 to 5
  • Electrical Outputs: Current (optional feature); Voltage (optional feature)
Digital Relative Humidity and Temperature Transmitter for Duct Installation -- DT282
from PMC Engineering LLC

The DT282 relative humidity transmitter includes the interchangeable HYGROSMART module. The interchangeable module lets you recalibrate the transmitter simply by replacing the sensor head with the HYGROSMART module. As a result, maintenance costs are greatly reduced and machine down-time is... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -25 to 185
Wireless Temperature and Humidity Transmitter -- Eltek GD-10
from CAS DataLoggers

The GD-10 Wireless Temperature Humidity Transmitter has a built-in sensor with a temperature measurement range of -30 °C to +65 °C and a humidity measurement range of 0% to 100 %. It uses a 900 MHz wireless transmitter that provides communication range of up to 1000 meters in open air. The... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 4
  • Relative Humidity Range: 0.0 to 100
  • Display: Digital Readouts or Indicators
Temperature and Humidity Probe -- HMP155A-L
from Campbell Scientific, Inc.

The HMP155A is an air temperature and relative humidity (RH) sensor that provides reliable measurements for a wide range of applications. It can be used as part of a weather station system or as a single instrument. It replaces the HMP45C, which is still available but will be retired in late 2010. [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 1 to 1.7
  • Relative Humidity Range: 0.8000 to 100
  • Technology: Capacitive
High Accuracy Meteorological Probe -- HC2-S3H
from Rotronic Instrument Corp.

The HC2-SH / HC2-S3H fulfills the highest demands on measuring accuracy. It measures humidity and temperature and calculates the dew/frost point. [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 0.5000
  • Relative Humidity Range: 0.0 to 100
  • Compensation: Temperature Compensation
Humid·Alert® HA-1
from Winland Electronics, Inc.

Wall console-type humidity monitoring device with easy to use setting dial. Applications include computer rooms, energy management systems, office areas, museums, document storage areas and greenhouses. With nylon banded sending element, this unit monitors a range of 20% to 80% RH. It requires no... [See More]

  • Variables Measured: Relative Humidity
  • Relative Humidity Accuracy: 10
  • Relative Humidity Range: 20 to 80
  • Operating Temp: 60 to 90
Relative Humidity Sensor -- Smart Fog® S1
from Smart Fog

The Smart Fog ® S1 Relative Humidity Sensor is designed to withstand the elements. A removable sintered filter protects the polymer capacitance sensor from solid objects that may come in contact with the transmitter. The transmitter is available with 4 to 20 mA or 0 to 10 VDC output signals for... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 1
  • Relative Humidity Range: 0.0 to 100
  • Compensation: Temperature Compensation
Economical RH Sensor/Transmitter -- HX71
from OMEGA Engineering, Inc.

The HX71 Series relative humidity sensor/transmitter provides a reliable and economical method for most relative humidity monitoring applications. The compact design is ideal for wall or duct mounting. Each unit is factory calibrated to provide excellent sensitivity, fast response, and stability. [See More]

  • Variables Measured: Relative Humidity
  • Relative Humidity Accuracy: 3.5
  • Relative Humidity Range: 0.0 to 100
  • Compensation: Temperature Compensation
Relative Humidity Transmitter - SRH Outdoor Use
from Setra Systems

Model SRH Relative Humidity Transmitter Series for HVAC Building automation systems and other relative humidity monitoring applications. Designed to be mounted outside, the Model SRH Outdoor Air relative humidity transmitters are available with optional passive or active temperature sensing. [See More]

  • Variables Measured: Relative Humidity
  • Operating Temp: 14 to 140
  • Relative Humidity Accuracy: 2 to 5
  • Electrical Outputs: Current (optional feature); Voltage (optional feature)
Digital Relative Humidity and Temperature Transmitter, Remote Version -- WR293
from PMC Engineering LLC

The WR293 relative humidity sensor uses the HYGROSMART module, integrated in the interchangeable probe and cable. This device can be used in high-temperature applications due to the remote measurement element and its small overall size. The interchangeable probe allows for simple recalibration and... [See More]

  • Variables Measured: Relative Humidity; Absolute Humidity; DewPoint; Temperature; Frost Point, Mixing Ratio, Specific Enthalpy
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Absolute Humidity Range: 0.0 to 600
Wireless Temperature and Humidity Transmitter -- Novus RHT-Air
from CAS DataLoggers

The Novus RHT-Air is a fully wireless solution for measuring temperature and humidity over long distances, allowing the configuration and reading of the parameters through the wireless network up to 500 m, bringing practicality and efficiency to the application. It has a long battery life –... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 3
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: 14 to 158
Temperature and Relative Humidity Probe -- HMP60-L
from Campbell Scientific, Inc.

The HMP60 measures both temperature and relative humidity and is suitable for long-term, unattended monitoring. The humidity component features a field-replaceable chip, which eliminates downtime typically required for the recalibration process. The HMP60 is compatible with all Campbell Scientific... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 3 to 7
  • Relative Humidity Range: 0.0 to 100
  • Technology: Capacitive
Humidity Transmitter -- HF1
from Rotronic Instrument Corp.

Inexpensive HVAC Transmitter. The HygroFlex1 series is designed as an inexpensive but still highly reliable humidity and temperature transmitter for HVAC applications. These transmitters are equipped with the proven performance Hygromer ® IN-1 sensor offering unbeatable value for money. [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 3
  • Relative Humidity Range: 10 to 90
  • Compensation: Temperature Compensation
Environmental/Process Air Transmitter -- HX80
from OMEGA Engineering, Inc.

HX80 Series is a family of humidity probes that offers a variety of measurement parameters with precision accuracy: RH, temperature, dew point, pressure (psia), ppmv, ppmw, gr/lbs, etc. The probe is easily adaptable for most applications including high temperature and high pressure conditions. [See More]

  • Variables Measured: Relative Humidity; DewPoint; Pressure; Temperature
  • Relative Humidity Accuracy: 1
  • Relative Humidity Range: 5 to 95
  • Dew Point Range: -76 to 86
Relative Humidity Transmitter - SRH Wall Mount
from Setra Systems

Model SRH Relative Humidity Transmitter Series for HVAC Building automation systems and other relative humidity monitoring applications. The Model SRH humidity transmitters are available with optional passive or active temperature sensing. Features: Key Part Of Comprehensive HVAC Solution Package... [See More]

  • Variables Measured: Relative Humidity
  • Relative Humidity Accuracy: 2 to 5
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: 14 to 140
Digital Relative Humidity and Temperature Transmitter, Remote Version for High Temperatures -- WR283
from PMC Engineering LLC

The WR283 relative humidity sensor uses the HYGROSMART module, integrated in the interchangeable probe and cable. This device can be used in high-temperature applications thanks to the remote placing of the measurement element and its small overall size. The interchangeable probe allows for simple... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -25 to 390
Humidity Transmitter -- HF3
from Rotronic Instrument Corp.

The HF3 transmitter is designed for fixed installation in cost sensitive commercial HVAC applications where conditions are within the range of 0 to 100 %RH and -40 to 60 °C (-40 to 140 °F). The HF3 will satisfy application requirements ranging from the most basic to demanding. The HF3... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 1 to 2
  • Relative Humidity Range: 0.0 to 100
  • Compensation: Temperature Compensation
Hi Temp Relative HumidityTransmitter -- HX15
from OMEGA Engineering, Inc.

The HX15 series two wire remote transmitters measure relative humidity and temperature over a large temperature range (-40 to 180C). The HX15-W 64 mm (2.5") stainless steel probe is used for wall mounting. The HX15-D 216 mm (8.5") stainless steel duct probe has a removable flange. The probes are... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 3 to 95
  • Operating Temp: -40 to 356
Digital Relative Humidity Transmitter for Pressurized Applications -- WR295
from PMC Engineering LLC

The WR295 relative humidity transmitter includes the interchangeable HYGROSMART module. This interchangeable module allows you to recalibrate the transmitter simply by replacing the sensor head. As a result, maintenance costs are greatly reduced and machine down-time is minimized. Up to 30 bar / 450... [See More]

  • Variables Measured: Relative Humidity
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -25 to 390
Humidity Transmitter -- HF4
from Rotronic Instrument Corp.

Fixed installation HVAC transmitter. The HF4 transmitter is designed for fixed installation in HVAC and light industrial applications that require precise measurement of humidity and temperature within the range of 0 to 100 %RH and -50 to 100 °C (-58 to 212 °F). The HF4 transmitter is... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 1
  • Relative Humidity Range: 0.0 to 100
  • Compensation: Temperature Compensation
Relative Humidity Transmitter -- HX92A
from OMEGA Engineering, Inc.

The model HX92A is an economical humidity transmitter, providing on-site continuous monitoring of relative humidity. It is a 2-wire transmitter with either voltage or current output. The transmitter output is linearized, and RH readings are temperature compensated. A thin-film polymer capacitor... [See More]

  • Variables Measured: Relative Humidity
  • Relative Humidity Accuracy: 2.5
  • Relative Humidity Range: 3 to 95
  • Compensation: Temperature Compensation
Digital Relative Humidity Transmitter with Remote Probe for Pressurized Areas -- WR285
from PMC Engineering LLC

The WR285 relative humidity sensor uses the HYGROSMART module, integrated in the interchangeable probe. This device can be used in high-temperature applications due to the remote measurement element and its small overall size. The interchangeable probe allows for simple recalibration and lower... [See More]

  • Variables Measured: Relative Humidity
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -25 to 245
Humidity Transmitter -- HF7
from Rotronic Instrument Corp.

For extreme environments. The HF7 transmitter series is designed for fixed installation in industrial applications where conditions are within the range of 0 to 100 %RH and -100 to 150 °C (-148 to 302 °F). The probe of the HF7 can survive exposure to temperature up to 200 °C (392... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 1
  • Relative Humidity Range: 0.0 to 100
  • Compensation: Temperature Compensation
Wireless Relative Humid/Temp Transmitter -- UWRH-2
from OMEGA Engineering, Inc.

Omega's new Wireless Relative Humidity transmitter features a stand-alone, compact, battery powered design that transmits measurements back to a host receiver up to 90 m (300') away. When activated the wireless transmitter will transmit readings continuously at pre set time interval that was... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2.5
  • Relative Humidity Range: 2 to 98
  • Operating Temp: 1 to 120
Digital Relative Humidity/Temperature Transmitter for Wall Mounting -- WM281
from PMC Engineering LLC

The WM281 relative humidity transmitter includes the interchangeable HYGROSMART module. The interchangeable module lets you recalibrate the transmitter simply by replacing the sensor head with the HYGROSMART module. As a result, maintenance costs are greatly reduced and down-time is minimized. [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -25 to 185
Humidity Transmitter -- HF8
from Rotronic Instrument Corp.

Industrial Process Control. The HF8 is a multi-function transmitter designed to meet the requirements of applications requiring multiple instruments with one self contained instrument. The HF8 has an extensive set of optional functions and settings that can be configured and enabled with the... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 0.8000
  • Relative Humidity Range: 0.0 to 100
  • Compensation: Temperature Compensation
Wireless RH/Temp Transmitter NEMA-4X -- UWRH-2-NEMA
from OMEGA Engineering, Inc.

OMEGA's new Wireless Relative Humidity transmitter features a stand-alone, compact, battery powered NEMA design that transmits measurements back to a host receiver up to 90 m (300') away. When activated the wireless transmitter will transmit readings continuously at pre set time interval that was... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2.5
  • Relative Humidity Range: 2 to 98
  • Operating Temp: 2 to 120
HVAC Relative Humidity and Temperature Transmitter, Room Mount -- RM33 & 52
from PMC Engineering LLC

The RM series of relative humidity and temperature transmitters offers a comprehensive range of output signals and measurement ranges. The transmitters are housed in a wall mounting enclosure making these instruments ideal for HVAC and building management applications. Designed for low cost HVAC... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 3
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: 32 to 125
HygroMet4 Meteorological Probe -- HM4
from Rotronic Instrument Corp.

The HygroMet4 is suitable for use wherever high humidity prevails for short or long periods. In such environments condensation could occur on conventional probes, thereby delivering incorrect values. This is particularly the case in meteorology, in cheese cellars, tunnels and caves. Heating... [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Compensation: Temperature Compensation
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -40 to 185
HVAC Relative Humidity Transmitter -- PF211
from PMC Engineering LLC

PF211 relative humidity transmitters are equipped with the Hygrosmart relative humidity sensor/converter. This interchangeable module has miniaturized electronics and does not require recalibration. Designed for HVAC applications. Based on the interchangeable Hygrosmart module [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 2
  • Relative Humidity Range: 0.0 to 100
  • Operating Temp: -20 to 160
Meteorological Probe -- HC2-S3
from Rotronic Instrument Corp.

The HC2-S / HC2-S3 is the most versatile probe from ROTRONIC and forms the basis of the product portfolio. It measures humidy and temperature and calculates the dew/frost point. [See More]

  • Variables Measured: Relative Humidity; Temperature
  • Relative Humidity Accuracy: 0.8000
  • Relative Humidity Range: 0.0 to 100
  • Compensation: Temperature Compensation