AZ87785 Handheld WBGT Heat Stress Meter with Wind Speed

AZ Instrument

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Was: $654.00
Now: $573.26 (Inc. GST)
Was: $600.00
Now: $525.93 (Ex. GST)
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Product Overview

AZ Instruments
Handheld WBGT Heat Stress Meter
with wind speed measurement

(Model No.: AZ-87785)

Heat Stroke Prevention Meter

Wind speed value makes your WBGT more close to real climate thermo impact!

The Wet Bulb Globe Temperature (WBGT) is a measure of the Heat Stress in direct sunlight, which takes into account : temperature,humidity, wind speed, sun angle and cloud cover (solar radiation). The measurement by WBGT Checker had been considered as a good element for monitoring the outdoor activities and Prevent people to getHeat Stroke. Military agencies, OSHA and many nations use the WBGT as a guide to managing workload in direct sunlight.


  • To check Indoor/Outdoor WBGT, TA/TG/Wind speed and humidity
  • Designed with capacitance type humidity sensor with dust filter to get
  • accurate reading and extend sensor life time
  • Green/Yellow/Red 3 color backlights as WBGT condition reminder
  • Easy-to-read big LCD display with 6 dust proof rubber keys
  • 360 o wind direction cup type anemometer to measure wind speed
  • 75mm black metal ball to measure globe temperature
  • Temperature/Wind speed unit selectable
  • Hold function to freeze reading and Max/Min function included
  • Battery low indicator & Sleep mode can be disabled
  • Tripod receptacle design for long time use
  • Audible beeper for danger zone warning
  • Built-in PC interface for real time downloading


  • Windspeed Range: 0.5 ~ 10m/s
  • Windspeed Accurancy: +/-(2% of reading +0.2) m/s
  • Temperature Range: 0℃ ~ 50℃
  • Temperature Resolution: 0.1℃, 0.1℉
  • Temperature Accurancy: +/- 0.6℃
  • Humidity Range: 0.1% ~ 99.9%RH
  • Humidity Resolution: 0.1%RH
  • Humidity Accurancy: +/-3%RH (at 25℃, 10~90%RH, others +/-5%RH)
  • Globe Temperature (inside black ball): 0℃ ~ 80℃
  • Globe Temperature Accurancy:
    • Indoor: +/-1℃(at 15~40℃), others 1.5℃
    • Outdoor: +/-1.5℃(at 15~40℃), others 2℃
  • WBGT temperature range: 0℃ ~ 50℃
  • WBGT Alarm range: 20℃ ~ 50℃
  • Black ball size: Diameter 75mm, height 75mm
  • Stabilization tme: 15~25 minutes typical
  • RH% self calibration: Yes
  • Battery life: ~100 hours
  • LCD size: 50(H) x 32(W)mm
  • Operating temperature:  0℃ ~ 50℃
  • Operating humidity: <80%RH
  • Storage temperature:   -20℃ to 50℃
  • Storage humidity:  <90%RH
  • Battery: 4 x AAA
  • Weight: about 350g
  • Meter size: 310(H) x 91(diameter, windcup)mm

Standard Package:

  • Meter
  • Batteries
  • User Manaul
  • USB cable and software
  • Hard carry case


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