A wide variety of instruments for measurement and testing of changes in environmental conditions, including radiation (both wavelength and as a hazardous emission), temperature, moisture, dew point, smoke, dust, opacity, light, weather, and water quality.
Conductivity and Resistivity Meters (313 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.
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Conductivity Electrodes (139 suppliers)
Density and Specific Gravity Instruments (202 suppliers)
Density and specific gravity instruments are meters used to determine density and specific gravity.
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Dissolved CO2 Instruments (39 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.
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Dissolved Oxygen Meters (218 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.
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Environmental Test Chambers and Rooms (351 suppliers)
Environmental test chambers and rooms are used to ensure the reliability of industrial products, especially electronic items, through prolonged exposure to one or more environmental parameters.
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Gas Instruments (934 suppliers)
Groundwater Monitoring Equipment (39 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.
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Humidity Measurement Instruments (559 suppliers)
Humidity Transmitters (179 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.
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Hydrophones (62 suppliers)
Hydrophones are underwater acoustic sensors used in marine research, undersea mapping and navigation, and various commercial and military applications.
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Instrument Calibration Services (781 suppliers)
Ion Selective Electrodes (75 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.
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Ion Specific Electrode Meters (101 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.
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Leaf Wetness Sensors (11 suppliers)
Leaf wetness sensors are used to detect the presence of surface moisture.
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Leak Testing Equipment (454 suppliers)
Liquid Leak Detectors (238 suppliers)
Moisture Meters (783 suppliers)
Oil in Water Monitors (71 suppliers)
Oil Sensors and Analyzers (66 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.
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Opacity Sensors and Instruments (86 suppliers)
Oxidation Reduction Potential (ORP) Electrodes (121 suppliers)
Oxygen reduction potential (ORP) electrodes are analytical sensors for measuring oxidation-reduction potential (ORP).
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Oxidation Reduction Potential (ORP) Instruments (181 suppliers)
Oxidation reduction potential (ORP) instruments measure or monitor ORP in solution.
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pH Electrodes (202 suppliers)
pH electrodes are analytical sensors for measuring potential of hydrogen (pH), the negative logarithm of the hydrogen ion activity in solution.
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pH Instruments (414 suppliers)
pH Transmitters (55 suppliers)
pH transmitters provide electrical outputs that are proportional to potential of hydrogen (pH) inputs.
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Plant Growth Chambers (25 suppliers)
Radiation Detectors (208 suppliers)
Radiation detectors are used for medical diagnoses, radioactive dating measurements, and measurements of background radiation, activity levels and radiation doses.
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Refractometers (156 suppliers)
Solar Radiation Instruments (57 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.
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Sound Level Meters and Noise Dosimeters (223 suppliers)
Sound level meters and noise dosimeters are used in sound and noise analysis. Applications include industrial safety, traffic noise studies, and scientific noise measurement.
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Temperature Indicators (476 suppliers)
Temperature indicators are designed for temperature monitoring and analysis. These devices either come equipped with an integral sensor, or require sensor input.
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Thermal Imagers (321 suppliers)
Titration Instruments (80 suppliers)
Titration instruments are used to determine the concentration of dissolved substances. Titration is based on a complete chemical reaction between the specific substance, the analyte, and a reagent or titrant of known concentration that is added to the sample.
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Total Organic Carbon (TOC) Analyzers (59 suppliers)
Total organic carbon (TOC) analyzers measure the amount of total organic carbon present in a liquid sample.
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Turbidity Instruments (208 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.
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Volatile Organic Compounds (VOC) Analyzers (37 suppliers)
Volatile organic compound (VOC) analyzers are used to detect concentrations of heavy hydrocarbons in gas or liquid media.
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Water Quality Photometers and Colorimeters (143 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.
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Water Quality Testing Instruments (337 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.
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Weather Instruments (349 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.
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