Extech Pinless Psychrometer w/ IR Thermometer

The Extech MO290 combines a pin/pinless moisture meter with a built-in infrared thermometer, allowing you to measure temperature, humidity, dew point, vapor pressure, and much more. Comes complete with pin moisture probe, 9-Volt battery, and case.

Manual

Features

Test for moisture using built-in pins or using the sensor, to a depth of 25 mm (~1 in)
The audible alert beeps faster as moisture levels increase; display icons indicate low, medium, or high moisture content
Compact and efficient, with a built-in battery level check and measurement verification test

Specifications

Dew Point	MO290-NISTL_S: -22 to 199 °F (-30 to 100 °C) MO290_S: -22 to 199 °F (-30 to 100 °C)
Distance to Target Ratio	8:1
Emissivity	0.95 fixed
Measurement Depth	up to 0.75" (19mm)
Relative Humidity	0 to 100%
Relative Humidity Basic Accuracy	MO290-NISTL_S: ±3% MO290_S: ±3%
Relative Moisture Content Max Resolution [Pinless]	0.1
Relative Moisture Content [Pinless]	6 to 99.9
Sensor Type	Replaceable threaded contact pins, non-penetrating electromagnetic sensor pad
Temperature [Air]	MO290-NISTL_S: -20 to 170 °F (-29 to 77 °C) MO290_S: -20 to 170 °F (-29 to 77 °C)
Temperature [Air] Basic Accuracy	MO290-NISTL_S: ±3.6°F (2.0°C) MO290_S: ±3.6°F (2.0°C)
Temperature [Air] Max Resolution	MO290-NISTL_S: 0.1°F/°C MO290_S: 0.1°F/°C
Temperature [IR] Basic Accuracy	MO290-NISTL_S: -4 to 392 °F (-20 to 200 °C) MO290_S: -4 to 392 °F (-20 to 200 °C)
Temperature [IR] Max Resolution	MO290-NISTL_S: ±3.5% or ±9°F(4.5°C) whichever greater MO290_S: ±3.5% or ±9°F(4.5°C) whichever greater
Temperature [RTD]	MO290-NISTL_S: 0.1°F/°C MO290_S: 0.1°F/°C
Vapor Pressure	0 to 20.0kPA
Water Vapor	0 to 999gpp (0 to 160g/kg)
WME Moisture Content Basic Accuracy [Pin]	MO290-NISTL_S: ±5% MO290_S: ±5%
WME Moisture Content Max Resolution [Pin]	0.1
WME Moisture Content [Pin]	0 to 99.9%