Extech RH490 Thermohygrometer, ±2 %RH Accuracy, 100 °C Max, 100 %RH Max

View all Hygrometers

Subtotal (1 unit)*

SGD634.16

(exc. GST)

SGD691.23

(inc. GST)

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RS Stock No.:
288-0405
Mfr. Part No.:
RH490
Manufacturer:
Extech
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Brand

Extech

Maximum Temperature Measurement

100°C

Product Type

Thermohygrometer

Hygrometer Type

Thermohygrometer

Temperature Measurement Accuracy

±1.8 °F

Maximum Humidity Measurement

100%RH

Humidity Measurement Accuracy

±2 %RH

Model Number

RH490

Dewpoint Measurement

Yes

Temperature Resolution

0.1°F

Minimum Operating Temperature

-22°C

Humidity Resolution

0.1%RH

Power Source

9 V Battery

Weight

7g

Width

1.7in

Standards/Approvals

CE

Length

7.8in

Height

33mm

COO (Country of Origin):
CN
The FLIR Precision Hygro-Thermometer is a high-accuracy device designed for HVAC professionals and water damage restoration contractors. With less than 30-second RH response time, it provides precise measurements of humidity, temperature, dew point, wet bulb, and water vapor levels.

Provides highest 2% RH accuracy with Grains Per Pound (GPP) and Grams per Kilogram (g/kg) measurement

Dual backlit display for easy reading in any lighting conditions

Slim design with rubberized sides for better grip and one-hand operation

Auto power off with disable and low battery indicator for prolonged battery life

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