Application In order to measure the WBGT index, you should refer to the following regulations:
ISO7243 : Hot environments. Estimation of the heat stress on working man.
ISO7726 : Ergonomics of the thermal environment-instruments for measuring physical quantities.
Features
Quick-response capacitance sensor. Accurate measurement for wet bulb globe temperature(WBGT), black globe temperature(TG),humidity(%RH), air temperature(TA),wet bulb(WET) and dew point(DEW).
Max/Min and data hold.
Low battery indication “ ”.
LCD display with LED backlight.
Single data record (TM-188 is able to record 50 data).
Viewing data records.
Switch the temperature unit to ℃ or ℉.
Brass black ball in 50mm diameter.
WBGT alarm setting.
Auto power off with disable function.
Interface: USB PC serial interface.(TM-188D)
Data logging capacity :12000 records.(TM-188D)
Sampling interval: Max 24 hours; Min 1 Second.(TM-188D)
Product Size: 300 x 70 x50 mm (length x width x height) Product Weight: Approx. 220 gram