MalaysiaMeasurement.Com

Home of measuring instruments

 
 

Heat Stress WBGT Meter 

 

TM188

 

Model : TM188 / TM188D

 

Features :- 

- WBGT (Wet bulb Globe Temperature) measure heat stress in the field 

- Dual LCD display with the maximum reading of 9999 

- 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) with fast response times 

- Max / Min and data hold 

- Low battery indication 

- LCD display with LED backlight 

- Manual data memory : 50 records 

-  Viewing data records 

- Selectable units of °C and °F 

- Brass black ball in 50 mm diameter 

- WBGT alarm setting 

- Auto power off with disable function 

- Interface : USB PC serial interface (TM-188D) 

- Datalogging capacitiy : 12000 records (TM-188D) 

- Sampling interval : max 24 hours; min 1 second (TM-188D) 

- In order to measure the WBGT index, you should refer to the following regulations : ISO7243 : Hot environments. Estimation of heat stress on working man. ISO 7726 : Ergonomics of the thermal environment-instruments for measuring physical quantities 

- Tripod threads 

 

Specifications : (23±5°C) 

 

 

Wet Bulb Globe Temperature (WBGT) 

Unit                           

Range 

Resolution 

Accuracy@15~40°C 

Indoor & Outdoor Without Sunlight 

°C 

0 ~ 59.0°C 

0.1°C 

±1.0°C 

°F 

32.0 ~ 138.0°F 

0.1°F 

±1.8°F 

Outdoor With Sunlight 

°C 

0 ~ 56.0°C 

0.1°C 

±1.5°C 

°F 

32.0 ~ 132.0°F 

0.1°F 

±2.7°F 

Indoor & outdoor without sunlight : WBGT = (0.7xWET) + (0.3xTG) 

Outdoor with sunlight : WBGT = (0.7xWET) + (0.1xTA) 

 

 

Air Temperature (TA) 

Unit 

Range 

Resolution 

Accuracy@15~40°C

°C 

0 ~ 50.0°C 

0.1°C 

±0.8°C 

°F 

32 ~ 122.0°F 

0.1°F 

±1.5°F 

 

 

Black Globe Temperature (TG) 

Unit 

Range 

Resolution 

Accuracy@15~40°C 

°C 

0 ~ 80.0°C 

0.1°C 

±0.6°C 

°F 

32.0 ~ 176.0°F 

0.1°F 

±1.1°F 

 

 

Relative Humidity (%RH) 

Range 

1 ~ 99% 

Accuracy 

±3.0% RH (20 ~ 80%) 

±5.0% RH (<20%, >80%) 

Resolution 

0.1% 

 

 

Dew Point Temperature (DEW) 

Unit

Range

Resolution

°C

-35.3 ~ 48.9°C

0.1°C

°F

-31.5 ~ 120.1°F

0.1°F

The value is calculated from the RH and Air Temp 

 

 

Wet Bulb Temperature (WET) 

Unit

Range

Resolution

°C

-21.6 ~ 50.0°C

0.1°C

°F

-6.9 ~ 122.0°F

0.1°F

The value is calculated from the RH and Air Temp

 
Note :
1) All the above descriptions are subject to change without notice
2) For pricing & delivery, 

     TM188, click here                 TM188D, click here

For enquiries, kindly email us at enquiry@malaysiameasurement.com