RH490
Extech Instruments Thermometers, RH490 Series
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RH490

Extech Instruments Thermometers, RH490 Series
In stock
Item Number
RH490
MFG Item Number
RH490
Series
Order by 5:00 PM ET and your package will ship the same day.
Product Details

Overview

Thermometers, RH490 Series
Item #
RH490
PSYCHROMETER,PRECISION

RH490 Series Information

Extech's Precision Hygro‑Thermometer is high‑performance, handheld test instrument used to measure relative humidity.
The RH490 is a utility tool with dew point, wet bulb, temperature and water vapor level measuring capabilities. RH measurements are accurate within 2%, with water vapor reporting in grains per pound (GPP) at response times under 30 seconds.
The dual backlit display can display humidity‑temperature, humidity‑dew point or humidity‑wet bulb simultaneously, with on‑board storage to perform data hold and min/max functions.

Additional Features
  • Slim design with rubberized side grips
  • 0.1% resolution
  • Simple, four‑button operation
  • Complete with carrying case and 9V battery


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Specifications

Specifications
Ships Factory Direct No
Manufacturer Part Number RH490
Item Number RH490
Manufacturer Extech Instruments
Product Series RH490
Family Series Extech Instruments Thermometers, RH490 Series
Display LCD
IR Temp -22-199 °F
Accuracy 1.8 %
Laser Pointer No
Backlight Yes
RTD Input No
Net Weight 2 lbs
Gross Weight 1.45 lbs
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