English Datasheet

WB200 Wet Bulb
Hygro-Thermometer Datalogger
Portable Hygro-Thermometer with Wet Bulb
and Dew Point Temperature readings. This
meter combines traditional dry/wet bulb
operation with modern electronic circuitry to
provide accurate readings and trouble-free
operation especially in dusty environments.
For hanging or bench-top use, the meter is
ideal for greenhouses, paint booths, food
processing, and other environmentally
sensitive locations.
Audible and visual alarm alerts when temperature
Display update rate: 120 seconds
and humidity level is higher or lower than the user
User programmable datalogging sampling rate
from 15 to 60 minutes in 5 minute increments
programmed High/Low set points
LCD displays Wet Bulb, Dew Point, and Air
Dual color LED indicator for datalogging (Green)
and alarm (Red) modes
Temperature readings (41°F to 122°F /5°C to 50°C)
and % Relative Humidity (0.0 to 99.9%RH)
Water and Dust resistant construction
Resolution: 0.1°F/°C and 0.1%RH
Maximum/Minimum function
Basic accuracy: ±1°F/±0.6°C; ±3%RH
Low battery indicator
Two thermistors provide fast and accurate readings
Dimensions: 2.8 x 3.1 x 7.0” (71 x 78 x 177mm)
Built-in fan provides fast response time
Datalogger stores100 records that can easily be
Recalled on meter display
Weight: 8.0oz (250g)
Complete with four AAA batteries and
100-240V Universal AC adaptor
WB200 .............. Wet Bulb Hygro-Thermometer Datalogger
Specifications subject to change without notice. Copyright © 2012-2013 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
Rev. 1/22/13