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33% and 75% Humidity Calibration Reference. Bottles designed with small opening for snugged fit of the sensor. Includes 33%RH and 75%RH calibration bottles. For use with Extech Models 42280, RH300, 445580, 445815 and CO250.
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The AN310-NIST is a Large Vane CFM/CMM Anemometer/Psychrometer. This meter measures Air Velocity, Air Flow, Relative Humidity, Wet Bulb and Dew Point. Extechs Large Vane Thermo-Anemometer series allows for more precise readings on larger size ducts....
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"Extech Instruments Tools Sound Level Meter W/Nist 407780ANIST Model: 407780A-NIST. Extech Instruments 407780A Sound Level Meter W/Nist 407780A-NIST"
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Large Vane CFM/CMM Anemometer/Psychrometer plus CO2. Measures Air Velocity, Air Flow, Relative Humidity, Wet Bulb, Dew Point and Carbon Dioxide. Extech's Large Vane Thermo-Anemometer series allows for more precise readings on larger size ducts (4"...
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"Extech Instruments Tools Dissolved Oxygen Meter Sd Logger Model: SDL150. Extech Instruments Dissolved Oxygen Meter Sd Logger SDL150"
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"Extech Instruments Tools Exstik Ii Dissolved Oxygen Meter Kit DO600K Model: DO600-K. Extech Instruments Exstik Ii Dissolved Oxygen Meter Kit DO600-K"
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Extech Instruments Pressure Meter/Data Logger
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View larger Precision Hygro-Thermometer Psychrometer Featuring a slim design with rubberized sides for better grip, the Extech RH490 is specifically designed for HVAC and water damage restoration contractors. This meter measures Temperature (-22 to 199...
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The Extech Instruments Easyview Wide-Range Light Meter measures up to 40, 000 ft.-candles and 400, 000lux with 3 accuracy. Common Usage Checking light levels, Includes Case, holster, stand, LCD Display Yes. Large LCD display with bargraph Data hold...
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"Extech Instruments Tools Milliohm Meter Battery Powered Model: 380580. Extech Instruments Milliohm Meter Battery Powered 380580"
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"Extech Instruments Tools Metal Vane Thermo-Anemometer Sd Logger Model: SDL300. Extech Instruments Metal Vane Thermo-Anemometer Sd Logger SDL300"
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The CO240 is an Indoor Air Quality, Carbon Dioxide (CO2) Meter. Dual display of Carbon Dioxide (CO2) concentrations and Relative Humidity, Temperature, Dew Point or Wet Bulb. Audible CO2 warning alarm when concentration level exceeds high user set...
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