Extech MO280-KW, RH490 Data Sheet

Ordering Information:
RH490 ..............Precision Hygro-Thermometer
Specifications subject to change without notice. Copyright © 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
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Specifically designed for HVAC and water damage restoration contractors
4/2/08 - R1
Less than 30 second RH response time
Water vapor in GPP (g/kg)
Dual backlit display
Simultaneous display of:
Humidity or GPP (g/kg) plus Temperature Humidity or GPP (g/kg) plus Dew Point Humidity or GPP (g/kg) plus Wet Bulb
Slim design with rubberized sides for
better grip and for one hand operation
Data Hold and Min/Max functions
Auto power off with disable and low battery indicator
Complete with carrying case and 9V battery
Highest 2% RH accuracy
With Grains per Pound (GPP) and Grams per Kilogram (g/kg) measurement
Precision Hygro-Thermometer
Specifications
Humidity 0 to 100%RH Temperature (Internal) -22 to 199°F (-30 to 100°C) Basic Accuracy ±2%RH, ±1.8°F/1°C Max. Resolution 0.1%RH, 0.1°F/°C Dewpoint -22 to 199°F (-30 to 100°C) Wet Bulb 32 to 176 °F (0 to 80°C)
Absolute Humidity 0 to 1120GPP (0 to 160g/kg) Dimensions 7.8x1.7x1.3" (200x45x33mm) Weight 7oz (200g)
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