Extech Instruments MO290-NISTL User Manual
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Extech Instruments MO290-NISTL User Manual

Pinless moisture/humidity meter + ir
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User's Guide
Pinless Moisture/Humidity Meter + IR
Model MO290

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Summary of Contents for Extech Instruments MO290-NISTL

  • Page 1 User's Guide Pinless Moisture/Humidity Meter + IR Model MO290...

  • Page 2: Meter Description

    Introduction Congratulations on your purchase of the Extech MO290 Pinless Moisture Meter with Patented Built-in IR Thermometer. Monitor moisture in wood and other building materials with no surface damage with the Pinless Moisture sensor (Pin-type Moisture Probe included). Measure Humidity and Air Temperature with built-in probe plus non-contact InfraRed Temperature with patented IR design.

  • Page 3: Battery Replacement

    Safety  Use extreme caution when the laser pointer beam is on  Do not point the beam toward anyone's eye or allow the beam to strike the eye from a reflective surface  Do not use the laser near explosive gases or in other potentially explosive areas Cautions ...

  • Page 4: Operation

    Operation Powering the meter Remove the RH sensor protective cap before use. Press the power button to turn the meter on. If the symbol appears or the meter does not turn on, replace the battery. Humidity (Dew point, GPP, g/kg) Measurements Press the power button to turn the meter on.
  • Page 5 Infrared Temperature Measurements Press the power button to turn the meter on. Press the IRT button to enable the IR thermometer and the laser pointer. The laser pointer icon will flash while the mode is active. Aim the laser pointer at the surface to be measured and read the surface temperature in the secondary display.
  • Page 6 Condensation Mode The Condensation feature alerts the used when the surface temperature as measured by the IR thermometer is close to or has reached the Dew Point temperature. Press the power button to turn the meter on. Simultaneously press the MOIST/REL and RH buttons. The “COND” icon will appear. Point the meter at a surface, press the IRT button to measure the surface temperature.

  • Page 7: Specifications

    Specifications Function Range Accuracy Pinless Moisture 0 to 99.9 Relative only External - Moisture in 6-99 % ± 5% wood External - Moisture in 13-99 % ± 5% building materials Pinless Depth Up to 0.75” (19mm) RH Measurement 0 to 10% ±...

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Mo290

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