Chat Live

Yopto star rating

Customer Rating: 4.3/5 Stars

Extech WB200 Wet Bulb Hygro-Thermometer Datalogger-

datasheet manual

Extech WB200 Wet Bulb Hygro-Thermometer Datalogger

Model: WB200

Portable Hygro-Thermometer with Wet Bulb and Dew Point Temperature readings.

This product has been discontinued. Click here for the replacement model(s).

Extech WB200 Offers


  • Measures Wet Bulb, Dew Point, Temperature (41°F to 122°F /5°C to 50°C) and Relative Humidity (0.0 to 99.9%RH)
  • Resolution: 0.1°F/°C and 0.1%RH
  • Basic accuracy: ±1°F/±0.6°C; ±3%RH
  • Audible and visual alarm alerts when temperature and humidity level is higher or lower than the user programmed High/Low set points
  • Two thermistors provide fast and accurate readings
  • Dual color LED indicator for datalogging (Green) and alarm (Red) modes
  • Datalogger stores100 records that can easily be recalled on meter display
  • User programmable datalogging sampling rate from 15 to 60 minutes in 5 minute increments
  • Water and Dust resistant construction, Low battery indicator


  • Greenhouses
  • Paint Booths
  • Food Processing
  • Environmental Locations

Extech WB200 Specifications

LCD display 7-segment digit type for readings and messages
LED status indicator Flashes red in an Alarm condition, Flashes green when a reading is logged
Audible Alert Sounds intermittently when in an Alarm condition
Response time 120 second update rate
Temperature Units Switchable Temperature units (° C/° F)
Measurement ranges Temperature (air, wet bulb, dew point): 5 to 50° C (41 to 122° F)
Resolution 0.1° C/F (air, dew point, and wet bulb temperature)
Accuracy RH: ± 3% (10 to 90%RH @ 25° C; ± 5% outside of this range)
Datalogger memory Up to 100 reading sets (each set includes one measurement from each of the four measurement modes). Recall readings directly on the meter's LCD display. The internal memory is non-volatile.
Water tank capacity 120ml (4 oz.)
Click here for complete specifications on the Extech WB200

What's included with the Extech WB200

  • 4x AAA Batteries
  • 100-240V Universal AC adaptor

Review the Extech Instruments WB200

" data-description="Portable Hygro-Thermometer with Wet Bulb and Dew Point Temperature readings.">

Ask a question about Extech WB200 Wet Bulb Hygro-Thermometer Datalogger

comments powered by Disqus