(98 companies) Flame detectors monitor and analyze incoming radiation at selected wavelengths.
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(37 companies) Heat detectors are fire detection devices that sense heat produced by combustion. Heat detectors can trigger an alarm when they detect rapid temperature rise or reach a preset temperature.
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(404 companies) Humidity measurement instruments test for absolute humidity, relative humidity, or dew point in air.
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(7 companies) Leaf wetness sensors are used to detect the presence of surface moisture.
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(504 companies) Moisture meters are used to measure the moisture content in bulk solids, liquids and gases.
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(106 companies) Water quality photometers and colorimeters are ion-specific computer-interfaced probes designed to determine the concentration of a solution from its color intensity.
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(150 companies) Radiation detectors are used for medical diagnoses, radioactive dating measurements, and measurements of background radiation, activity levels and radiation doses.
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(109 companies) Refractometers measure the critical angle of refraction through a sample. The critical angle of refraction will change with concentration.
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(162 companies) Smoke detectors are designed to sense the products of combustion. Common types include ionization chambers and photoelectric devices.
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(38 companies) 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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(2003 companies) Temperature instruments use contact or noncontact methods to measure temperature. Products include dial, digital, industrial and laboratory thermometers; temperature probes, indicators, and sensors; RTD elements and transmitters; and thermistors, thermocouples, thermopiles, and thermal switches.
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(29 companies) UV sensors are designed to measure the power or intensity of incident ultraviolet (UV) radiation.
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(58 companies) Opacity sensors, dust sensors and visibility sensors measure the amount of light transmitted through a sample.
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(211 companies) 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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(243 companies) 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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