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Supplier: ENMET Corporation
Description: P/N 10022-2400, SDS-97D Series Sensor/Transmitter Ammonia, NH3 Features Non-intrusive push button calibration Excellent chemical selectivity 4-20 mA output, 24 VDC powered One-person calibration Digital display Electrochemical sensors RFI/EMI resistant
- Gas Types: Ammonia (NH3)
- Electrical Outputs: Analog Current
- Display: Digital
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Supplier: CO2Meter.com
Description: may be different sensors of the SC2 series, max 3 of them analog with 4-20 mA signals Custom configuration dependent upon location and application Warning buzzer/LED alarm, fault + operation option Compatible with a wide range of BMS Protocol for DGC-06 or Modbus protocol
- Operating Temperature: -13 to 140 F
- Operating Humidity: 15 %
- Features: Other
- Number of Gases Monitored: Single Gas
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Supplier: DigiKey
Description: Ammonia (NH3) Sensor 4mA ~ 20mA
- Operating Temperature: -4 to 104 F
- Electrical Outputs: Analog Current
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Supplier: CO2Meter.com
Description: detector also is based with a 4-20 mA / RS485 Modbus output signal, alarm and fault relays (all SIL2 certified) for monitoring the ambient air to detect toxic gases. This solution is ideal for those industries using toxic gases such as oil/gas, biogas plants, shipyards,
- Operating Temperature: -30 to 122 F
- Operating Humidity: 15 to 90 %
- Gas Types: Combustible Gas
- Features: Other
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Supplier: Radwell International
Description: DISCONTINUED BY MANUFACTURER, GAS DETECTION SENSOR, FOR AMMONIA DETECTION, 0-100 PPM, 3 WIRE, 4/20 MA, NEMA 1. FREE 2 YEAR RADWELL WARRANTY
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Supplier: Honeywell Sensing & IoT
Description: compensated from -40°C to 125°C [-40°F to 257°F]. Value to Customers Total Error Band (TEB) ±1.0 %FSS from -20°C to 85°C: Provides the most comprehensive, clear and meaningful indication of the sensor’s true measurement performance over a specified temperature range; small error
- Working Pressure Range: 0 to 725.1885 psi
- Accuracy: 0.25 ±% FS
- Operating Temperature: -40 to 257 F
- Measurement Type: Absolute, Gauge, Sealed
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Supplier: Honeywell Sensing & IoT
Description: Honeywell’s PX2 Series Heavy Duty Pressure Transducers are a portfolio of configurable pressure sensors that use piezoresistive sensing technology with ASIC (Application Specific Integrated Circuit) signal conditioning in a stainless steel housing. The PX2 Series is fully calibrated and
- Working Pressure Range: 0 to 500 psi
- Accuracy: 0.25 ±% FS
- Operating Temperature: -40 to 257 F
- Measurement Type: Absolute, Gauge, Sealed
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Supplier: Honeywell Sensing & IoT
Description: %FSS from -20°C to 85°C: Provides the most comprehensive, clear and meaningful indication of the sensor's true measurement performance over a specified temperature range; small error promotes system uptime and efficiency. High insulation resistance and dielectric strength: Protects the
- Working Pressure Range: 0 to 145.0377 psi
- Accuracy: 0.25 ±% FS
- Operating Temperature: -40 to 257 F
- Measurement Type: Absolute, Gauge, Sealed
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Supplier: Honeywell Sensing & IoT
Description: %FSS from -20°C to 85°C: Provides the most comprehensive, clear and meaningful indication of the sensor's true measurement performance over a specified temperature range; small error promotes system uptime and efficiency. High insulation resistance and dielectric strength: Protects the
- Working Pressure Range: 0 to 300 psi
- Accuracy: 0.25 ±% FS
- Operating Temperature: -40 to 257 F
- Measurement Type: Absolute, Gauge, Sealed
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Supplier: Global Detection Systems Corp.
Description: The GDS-49 is a two-wire loop-powered 4-20mA sensor transmitter designed to detect a wide range of toxic gases at ppm levels. The current loop output is compatible with the C1 Protector, C2 Protector, C2 Quad Protector or C64 Protector Controllers, the GASMAX II or GASMAX CX gas
- Operating Temperature: -40 to 140 F
- Measurement Type: %LEL, Trace
- Gas Types: Ammonia (NH3), Arsine (AsH3), Carbon Monoxide (CO), Chlorine (Cl2), Chlorine Dioxide (ClO2), Combustible Gas, Fluorine (F), Hydrogen (H2), Hydrogen Chloride (HCl), Hydrogen Cyanide (HCN), Hydrogen Fluoride (HF), Hydrogen Sulfide
- Electrical Outputs: Analog Current
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Supplier: Pem-Tech, Inc.
Description: and a linear 4-20mA signal proportional to 0 to 100% of the detection range of the sensor. The sensor transmitter board includes a three (3) digit LED display for continuous indication of the gas concentration. The calibration mode, alarm and fault status of the sensor
- Operating Temperature: -40 to 175 F
- Operating Humidity: 10 to 95 %
- Measurement Type: %LEL, Trace
- Gas Types: Ammonia (NH3), Carbon Monoxide (CO), Chlorine (Cl2), Chlorine Dioxide (ClO2), Hydrocarbons, Hydrogen (H2), Hydrogen Chloride (HCl), Hydrogen Cyanide (HCN), Hydrogen Sulfide (H2S), Nitric Oxide (NO), Nitrogen Dioxide (NO2), Oxygen
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Supplier: Pem-Tech, Inc.
Description: control monitor. In the sensor fault mode the transmitter drops the output signal to < 1 mA. Features Microprocessor based modular design Electrochemical Sensor Technology Industry standard 4-20mA output Field adjustable Alarm level Single point Non-Intrusive calibration
- Operating Temperature: -4 to 113 F
- Measurement Type: %LEL, Trace
- Gas Types: Ammonia (NH3), Carbon Monoxide (CO), Chlorine (Cl2), Chlorine Dioxide (ClO2), Hydrocarbons, Hydrogen (H2), Hydrogen Chloride (HCl), Hydrogen Cyanide (HCN), Hydrogen Sulfide (H2S), Nitric Oxide (NO), Nitrogen Dioxide (NO2), Oxygen
- Electrical Outputs: Analog Current, Switch
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Supplier: ENMET Corporation
Description: modules that provide the 24 VDC power and receive the 4-20 mA signal from the sensor/transmitters. These sensor/transmitters can also be connected to various computer-based instrumentation, PLCs, etc. Features Three Alarm LEDs Liquid Crystal Display 24 VDC,
- Gas Types: Ammonia (NH3)
- Electrical Outputs: Analog Current
- Display: Digital
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Supplier: Pem-Tech, Inc.
Description: Features RS-485 MODBUS Serial Output 4-20mA Analog Output 12-28 VDC Operation Automated Non-Intrusive Calibration Fully Adjustable Alarm Relay Lower wiring costs Description Ultra 1000 series is a microprocessor based addressable sensor for toxic gas detection. The self- contained
- Operating Temperature: 14 to 150 F
- Operating Humidity: 15 to 90 %
- Measurement Type: %LEL, Trace
- Gas Types: Ammonia (NH3), Carbon Monoxide (CO), Chlorine (Cl2), Chlorine Dioxide (ClO2), Hydrocarbons, Hydrogen (H2), Hydrogen Chloride (HCl), Hydrogen Cyanide (HCN), Hydrogen Sulfide (H2S), Nitric Oxide (NO), Nitrogen Dioxide (NO2), Oxygen
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Supplier: Honeywell Analytics, Inc.
Description: display, simple 4 button operation, 3 fully configurable relay outputs and selectable sink, source or isolated 4-20mA signal. The sensor and transmitter is common for all gas types. Sensor The Apex Sensor can be mounted directly on the transmitter or remotely up to
- Operating Temperature: -40 to 150 F
- Operating Humidity: 0 to 99 %
- Response Time: 12 seconds
- Measurement Type: %LEL, %Volume, Trace
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Supplier: Honeywell Analytics, Inc.
Description: procedures. The intrinsically safe smart sensors are supplied pre-configured and can be ‘hot swapped’ without having to remove power to the detector, saving time and money during commissioning and routine servicing. A remote sensor mounting kit is available that allows the
- Features: Ambient Air Monitoring, Detector, Digital, Fixed, Monitor
- Gas Types: Ammonia (NH3), Carbon Monoxide (CO), Chlorine (Cl2), Chlorine Dioxide (ClO2), Hydrogen (H2), Hydrogen Chloride (HCl)
- Electrical Outputs: Analog Current
- Number of Gases Monitored: Single Gas
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Supplier: Acme Engineering Products
Description: The Acme GasPost toxic gas sensor/transmitter measures the concentration of the target gas in an enclosed area and produces a proportional analog output signal. The 4-20mA transmitter is designed for standard 2-wire loop-powered operation where the output is supplied via the same pair
- Operating Temperature: -4 to 104 F
- Operating Humidity: 15 to 90 %
- Gas Types: Ammonia (NH3), Carbon Monoxide (CO), Chlorine (Cl2), Combustible Gas, Hydrogen (H2), Hydrogen Sulfide (H2S), Nitrogen Dioxide (NO2), Oxygen (O2), Sulfur Dioxide (SO2), Toxic Gas
- Electrical Outputs: Analog Current, Analog Voltage, Switch
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Supplier: Spectrex, Inc.
Description: The 20/20U (&UB) UV Flame Detector responds to high energy UV radiation emitted by fires and explosions at the point of ignition. It detects hydrocarbon-based fuel and gas fires, invisible hydrogen flames, hydride, ammonia, silane and other inorganic fuel fires. The UV sensor
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Supplier: Dover Flexo Electronics, Inc.
Description: non-hazardous area include a 0-10VDC undamped, isolated output, a 4-20mA undamped, isolated output, and a 0-1 mA damped output for use with a tension meter. Outputs to the hazardous area are energy-limited connections for approved DFE transducers, and a 0-1mA damped, energy-limiting
- Operating Temperature: 32 to 104 F
- User Interface: Computer Programmable
- Features: Current Loop (e.g., 4-20 mA), DC Current Input, DC Voltage Input, Other, Voltage
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Supplier: Det-Tronics
Description: soon): hydrogen sulfide (H2S) hydrogen (H2) oxygen (O2) carbon monoxide (CO) nitrogen dioxide (NO2) ammonia (NH3) chlorine (Cl2) sulfur dioxide (SO2) A complete GT3000 detector consists of a transmitter (GTX) and a sensor module (GTS). The transmitter generates a 4-20
- Operating Temperature: -40 to 122 F
- Operating Humidity: 15 to 90 %
- Measurement Type: %Volume, Trace
- Gas Types: Ammonia (NH3), Carbon Monoxide (CO), Chlorine (Cl2), Hydrogen Sulfide (H2S), Oxygen (O2), Sulfur Dioxide (SO2), Toxic Gas
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Supplier: CO2Meter.com
Description: design 1-3 gas sensor capabilities 3 configurable relays 2 sensors max may be different sensors of the SC2 series, max 3 of them analog with 4-20 mA signals Custom configuration dependent upon location and application Warning buzzer/LED alarm, fault +
- Operating Temperature: -13 to 140 F
- Operating Humidity: 15 %
- Measurement Type: %Volume
- Number of Gases Monitored: Multi Gas
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Supplier: Conspec Controls Inc.
Description: CONSPEC's CN Series is an economical choice for toxic, combustible, and Oxygen gas monitoring. The CN Series is a simple and "smart" gas detector. An industry standard 4-20mA Analog output signal can be connected to any existing PLC, DCS, or EMS system. A simplified calibration procedure
- Operating Temperature: -4 to 120 F
- Operating Humidity: 10 to 95 %
- Features: Ambient Air Monitoring, Audible or Visual Alarms, Digital, Fixed, Monitor
- Gas Types: Ammonia (NH3), Toxic Gas
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Supplier: Conspec Controls Inc.
Description: CONSPEC's CX Series is an economical choice for toxic, combustible, and Oxygen gas monitoring. The CX Series is a simple and "smart" gas detector designed for use in hazardous or classified locations. An industry standard 4-20mA Analog output signal can be connected to any existing PLC, DCS,
- Operating Temperature: -4 to 140 F
- Operating Humidity: 10 to 95 %
- Features: Ambient Air Monitoring, Audible or Visual Alarms, Digital, Fixed, Monitor
- Gas Types: Ammonia (NH3), Toxic Gas
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Supplier: Pem-Tech, Inc.
Description: Large Graphic display (240 x 128 Pixels). Optional Historical data Logging with Real time clock calendar. Sensor interface: 4-20mA transmitter or Addressable serial IO type. Up to 16 Input channels for analog sensors (PT295 series) or 24 addressable sensors (Ultra1000
- Number of Channels: 16
- Operating Temperature: -58 to 185 F
- Operating Humidity: 15 to 90 %
- Measurement Type: %LEL, Trace
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Supplier: Honeywell Analytics, Inc.
Description: toxic detectors are supplied pre calibrated for easy installation and provide an industry standard 2 wire 4-20mA loop output. User connections are Exd, while front end Intrinsic Safety (IS) design allows for easy exchange of the replaceable sensor while powered. IS design also removes
- Operating Temperature: -40 to 302 F
- Operating Humidity: 20 to 90 %
- Response Time: 6 seconds
- Measurement Type: %LEL, Trace
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Supplier: Conspec Controls Inc.
Description: Combustible Gas Sensors. The Series P2065 provides state-of-the-art versatility in monitoring of analog signals and allows the operator to select the ranges of operation as well as the two programmable alarm set points for activating the relay outputs. A linear analog output signal (0 - 5 VDC
- Operating Temperature: -4 to 122 F
- Operating Humidity: 15 to 90 %
- Number of Channels: 1
- Measurement Type: %LEL, %Volume, Trace
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Supplier: Compur Monitors, Inc.
Description: You always know what is going on in your plant: Gas detection system Statox 505 compliant to SIL 2 Standard Intelligent Gas Sensors for AsH3, Cl2, ClO2, CO, COCl2, H2, H2S, HCl, HCN, HF, N2H4, NH3, NO2, O2, O3, PH3 and SO2 The Statox 505 new 4 â€" 20 mA Transmitter for
- Gas Types: Ammonia (NH3), Carbon Monoxide (CO), Chlorine (Cl2), Chlorine Dioxide (ClO2), Hydrocarbons, Hydrogen (H2), Hydrogen Chloride (HCl), Hydrogen Cyanide (HCN), Hydrogen Fluoride (HF), Nitrogen Dioxide (NO2), Oxygen (O2), Phosphine
- Application: Confined Space Monitoring
- Display: Digital
- Mounting Type: Fixed
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Supplier: Arjay Engineering
Description: The HLM 2000-TX gas transmitter is a 4-20 mA loop powered transmitter for monitoring toxic gases at ppm concentrations and oxygen levels in %. The sensing elements are gas selective electrochemical technology. The electronics are mounted directly at the sensor for ease of
- Operating Temperature: -40 to 104 F
- Measurement Type: %Volume, Trace
- Application: Ambient Air Monitoring
- Gas Types: Ammonia (NH3), Carbon Monoxide (CO), Chlorine (Cl2), Combustible Gas, Hydrogen Chloride (HCl), Hydrogen Sulfide (H2S), Nitric Oxide (NO), Nitrogen Dioxide (NO2), Oxygen (O2), Sulfur Dioxide (SO2), Toxic Gas
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Supplier: GasLab
Description: VAC, SPDT 4-20mA output: 0~25% oxygen Weight & Dimensions Sensor Unit: 1 lb., 6.69 x 4.96 x 2.73 inches LxWxD Remote Display: 0.4 lb., 5.51 x 3.54 x 1.89 inches LxWxD Warranty 1 year on the device. See GasLab Terms and Conditions.
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Supplier: GasLab
Description: up to 300 ft away 4-20mA and 3 relays to control fans or off-site alarms 5+ year sensor in stock and available online Proven protection in hundreds of installations Read the full specifications here. The oxygen depletion alarm is easy to install and use. Watch the installation video.
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Supplier: Acme Engineering Products
Description: and Catalytic (Pellistor) for flammables, 3 or 4-stage SPDT relay outputs with LED status indicators, NEMA 3 Robust Enclosure, Microprocessor-based control, 10-Step Bar-Graph Display of gas levels, Programmable time delays to avoid nuisance alarms, Optional 4-20mA, 0-1V DC, 0-5V, DC or
- Number of Channels: 1
- Response Time: 40 seconds
- Operating Temperature: -4 to 120 F
- Operating Humidity: 15 to 90 %
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Supplier: CO2Meter.com
Description: controlled BMS systems and alarms, is based with a 4-20 mA / RS485 Modbus output signal, alarm and fault relays (all SIL2 certified) for monitoring the ambient air to detect toxic gases. This solution is ideal for those industries using toxic gases such as car parks, automotive,
- Operating Temperature: -30 to 122 F
- Operating Humidity: 15 to 90 %
- Gas Types: Carbon Monoxide (CO), Combustible Gas
- Features: Other
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The 2880-LT uses HF capacitance technology — no moving parts, no routine cleaning. Probe-mounted electronics with 4-20 mA output. 2880-LT Probe Mounted Transmitter The 2880-LT provides reliable monitoring of (read more)
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) +/- 10 V, +/- 20 mA, and 4-20 mA outputs Unipolar and bipolar options Customer-specific input/ output settings possible Universal Power Supply: 20 to 253 V AC/DC Approvals: UL 347, IEC 61373, EN 61326 (EMC) MTBF: Approx. 96 (read more)
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independently controlling a fan zone. In this configuration, all channels have their own SPDT relay output at Low gas levels and/or a 4-20mA signals proportional to the gas readings. In a more practical application, the channels are divided into groups that collectively serve various fan zones. In this latter (read more)
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and Process Temperature. The QVT will output a 4-20 mA signal corresponding to Differential Pressure or Flow. Specifications Modes of Operation: Multivariable or DP Only Operating Range: 10000:1 (0.0009 in WC to 9 in WC (read more)
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Fargo Controls Inc.'s analog output inductive proximity sensors give a 0-10Vdc and/or a 4-20mA output based upon the distance between a metal target and the sensor. They do this with extended operating distances and are (read more)
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isolator for enhanced signal quality. Connection to the process control system is simplified to four wires, consisting of the two-wire power supply and the two-wire 4-20 mA interface. (read more)
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Temporal Variation of Indoor Air Quality in an Enclosed Swine Confinement Building
Furthermore, both the relative humidity sensor and the ammonia sensor produced a current signal of 4 to 20 mA proportional to the full range of each instrument (0% to 100% and 0 to 100 ppm, respectively).
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Temporal Variation In Swine Confinement Indoor Air Quality
Furthermore, both the relative humidity sensor and the ammonia sensor produced a current signal of 4 to 20 mA proportional to the full range of each instrument; 0 to 100% and 0 to 100 ppm, respectively.
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Mesoporous TiO 2 as a nanostructured inorganic polymer thin film applied for a wide range ammonia concentration analyzer based on photoelectrochemical reaction
The effect of stirring was investigated by using the Type 4 sensor in a 0.1 M ammonia aqueous solution with LED current of 20 mA both without stirring and under stirring at 500 rpm, and the results are shown in Fig …
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Fabrication of graphene-based flexible devices utilizing a soft lithographic patterning method
20 3050 [11] Xi P, Chen F, Xie G, Ma C, Liu H, Shao C … … for the hydrolytic dehydrogenation of ammonia borane for chemical hydrogen storage Nanoscale 4 5597 [12] Wang Q … … a non-enzymatic glucose sensor RSC advances 2 6245 …
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Hopewell Beneficial CO2 Capture for Production of Fuels, Fertilizer and Energy
The Honeywell HC 900 was used to connect via 4 - 20 mA signals to a set of sensors mounted on a portable rack on top of the experimental tanks. The sensors were used to measure turbidity, Chlorophyll A, dissolved oxygen, pH, ammonia , and conductivity every day …
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Ammonia Emissions from Twelve U.S. Broiler Chicken Houses
Each electrochemical ammonia monitor had an internal datalogger that was temperature compensated. The other sensor outputs (solenoid switch of fresh-purge air, CO 2 sensor, sample gas temperature near the sensors, and static pressure difference) were recorded with a 4 -channel, battery-operated data logger (4 to 20 mA ± 0.1%, Onset Computer …
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Contamination monitoring for ammonia, amines, and acid gases utilizing ion mobility spectroscopy (IMS)
In a second approach, the 4 - 20 mA outputs from each ion mobility sensor is monitored continuously. Conversion of the n-iA readings to ppb ammonia , for example, is required, but the factor is …
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An integrated optical platform for
absorptive sensing of chemical concentrations using
chemo-optical monolayers
Acta 226 73–87 [ 4 ] Veenstra T T, Tiggelaar R M, Mateman R, Sanders R G P … … 1998 Normalised optimisation for the sensitivity optimisation of integrated optical evanescent-wave sensors J. Lightwave Technol. 16 … … E 1994 Integrated-optic ammonia sensor Fresenius J. Anal. … selective coupling structures for monolithic integrated waveguide-detector systems SPIE 3630 9–18 [11] Reitz J R, Milford F J and Christy R W Foundations of Electromagnetic Theory (Reading, MA : Addison-Wesley) [12] Worhoff … … of Gent) pp 117– 20 [14] Amon Yariv Optical …
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Ammonia Emissions from U.S. Broiler Houses in Kentucky and Pennsylvania
Each electrochemical ammonia sensor had an integral datalogger that was temperature corrected. The other sensor outputs (solenoid switch of fresh-purge air, CO 2 sensor, sample gas temperature near the sensors, and static pressure difference) were recorded with a 4 -channel battery-operated data logger (4- 20 mA +/- 0.1%, Onset Computer Corporation …
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Kinetics of Ammonia Removal in a Pilot-Scale Biofilter
Draeger Polytron 2 transmitters with ammonia sensors monitored the inlet (one transmitter) and outlet concentrations from both reactors (two transmitters). A Campbell Scientific 21X data logger collected data from the three transmitters and received a 4 to 20 mA signal averaged over 60 s, which was recorded every 5 min.