Sensors designed to measure and test for changes in environmental conditions, including radiation (both wavelength and as a hazardous emission), temperature, moisture and dew point, smoke, dust and opacity, light, weather, and water quality.
Conductivity and Resistivity Meters (331 suppliers)
Conductivity meters, dissolved solids meters, and resistivity meters are analytical instruments that measure the conductivity, dissolved solids, and/or resistivity of a liquid sample.
Search by Specification | Learn more about Conductivity and Resistivity Meters
Conductivity Electrodes (138 suppliers)
Dissolved CO2 Instruments (42 suppliers)
Dissolved CO2 instruments are analytical devices that measure the amount of carbon dioxide (CO2) dissolved in a liquid sample such as water. They typically include a submerged probe that is covered by a thin organic membrane.
Search by Specification | Learn more about Dissolved CO2 Instruments
Dissolved Oxygen Meters (224 suppliers)
Dissolved Oxygen Sensors (129 suppliers)
Dissolved oxygen sensors are used to measure the amount of oxygen dissolved in a unit volume of water. In water quality applications, such as aquaculture (including fish farming) and wastewater treatment, the amount of dissolved oxygen (DO) must be kept high.
Search by Specification | Learn more about Dissolved Oxygen Sensors
Electron Multipliers (13 suppliers)
Electron Multipliers detect incident electrons, ions, vacuum UV (VUV), and soft X-ray and intensify the subsequent detected signal through secondary emission.
Learn more about Electron Multipliers
Elemental Analyzers (36 suppliers)
Gas Instruments (958 suppliers)
Groundwater Monitoring Equipment (38 suppliers)
Groundwater monitoring equipment includes pumps and other instruments that tap into the water table for water quality assessment, testing for pollutants, and the identification of other compounds.
Learn more about Groundwater Monitoring Equipment
Humidity Transmitters (183 suppliers)
Humidity transmitters provide electrical outputs that are proportional to humidity inputs. They measure variables such as relative humidity, absolute humidity, specific humidity, moisture content, dew point, temperature, and pressure.
Search by Specification | Learn more about Humidity Transmitters
Hygrometers and Humidity Measurement Instruments (570 suppliers)
Hygrometers and humidity measurement instruments test for absolute humidity, relative humidity, or dew point in air.
Search by Specification | Learn more about Hygrometers and Humidity Measurement Instruments
Ion Selective Electrodes (77 suppliers)
Ion selective electrodes measure the potential of a specific ion in solution. This potential is measured against a stable reference electrode of constant potential.
Search by Specification | Learn more about Ion Selective Electrodes
Ion Specific Electrode Meters (106 suppliers)
Ion specific electrode meters are millivolt meters that interface with ion selective electrodes (ISEs). These meters take the potential generated by the electrode and convert it into units of concentration.
Search by Specification | Learn more about Ion Specific Electrode Meters
Leaf Wetness Sensors (12 suppliers)
Leaf wetness sensors are used to detect the presence of surface moisture.
Learn more about Leaf Wetness Sensors
Leak Testing Equipment (465 suppliers)
Liquid Leak Detectors (246 suppliers)
Microchannel Plates (10 suppliers)
Microchannel Plates use separate channels to detect electrons, ions, or x-rays with spatial resolution. Each channel uses secondary emission to intensify detection signals.
Learn more about Microchannel Plates
Moisture Meters (806 suppliers)
Oil in Water Monitors (74 suppliers)
Oil Sensors and Analyzers (67 suppliers)
Oil sensors and oil analyzers are used in automotive or industrial machinery applications to sense oil levels, and check for contamination, and particulates, viscosity and/or temperature.
Learn more about Oil Sensors and Analyzers
Opacity Sensors and Instruments (86 suppliers)
Oxidation Reduction Potential (ORP) Electrodes (122 suppliers)
Oxygen reduction potential (ORP) electrodes are analytical sensors for measuring oxidation-reduction potential (ORP).
Search by Specification | Learn more about Oxidation Reduction Potential (ORP) Electrodes
Oxidation Reduction Potential (ORP) Instruments (185 suppliers)
Oxidation reduction potential (ORP) instruments measure or monitor ORP in solution.
Search by Specification | Learn more about Oxidation Reduction Potential (ORP) Instruments
pH Electrodes (200 suppliers)
pH electrodes are analytical sensors for measuring potential of hydrogen (pH), the negative logarithm of the hydrogen ion activity in solution.
Search by Specification | Learn more about pH Electrodes
pH Instruments (422 suppliers)
pH Transmitters (55 suppliers)
pH transmitters provide electrical outputs that are proportional to potential of hydrogen (pH) inputs.
Learn more about pH Transmitters
Radiation Detectors (205 suppliers)
Radiation detectors are used for medical diagnoses, radioactive dating measurements, and measurements of background radiation, activity levels and radiation doses.
Search by Specification | Learn more about Radiation Detectors
Seismic Instruments (57 suppliers)
Solar Radiation Instruments (60 suppliers)
Solar radiation instruments measure the spectral range of radiation, including global solar radiation (sun + sky), net radiation (incoming solar - reflected solar) and the photosynthetic light spectrum.
Search by Specification | Learn more about Solar Radiation Instruments
Total Organic Carbon (TOC) Analyzers (61 suppliers)
Total organic carbon (TOC) analyzers measure the amount of total organic carbon present in a liquid sample.
Search by Specification | Learn more about Total Organic Carbon (TOC) Analyzers
Turbidity Instruments (210 suppliers)
Turbidity instruments measure the average volume of light scattering over a defined angular range. Both particle size and concentration of suspended solids as well as dissolved solids can affect the reading.
Search by Specification | Learn more about Turbidity Instruments
Volatile Organic Compounds (VOC) Analyzers (38 suppliers)
Volatile organic compound (VOC) analyzers are used to detect concentrations of heavy hydrocarbons in gas or liquid media.
Learn more about Volatile Organic Compounds (VOC) Analyzers
Water Quality Photometers and Colorimeters (149 suppliers)
Water quality photometers and colorimeters are ion-specific, computer-interfaced probes that are designed to determine the concentration of a solution from its color intensity.
Search by Specification | Learn more about Water Quality Photometers and Colorimeters
Water Quality Testing Instruments (340 suppliers)
Water quality testing instruments are used to test water for chemical and biological agents, and to measure variables such as clarity and rate of movement.
Search by Specification | Learn more about Water Quality Testing Instruments
Weather Instruments (345 suppliers)
Weather instruments are designed to measure one or multiple components of weather including wind speed and direction, rain or snow fall, solar radiation, temperature, pressure and humidity.
Search by Specification | Learn more about Weather Instruments