Heat Stress WBGT Meter (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
- Datalogging capacitiy : 12000 records
- Sampling interval : max 24 hours; min 1 second
- 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 (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 | ||
Country of origin : Taiwan.
Warranty : 1 year against manufacturing defects.
Remarks : For warranty claim :-
1) There is NO one to one exchange.
2) Unit need to sent back to manufacturer for rectification & repair.
Delivery : 3 to 5 days (in-stock unit) else 2 to 4 weeks (pre-order unit) subject to factory confirmation
Free Shipping Within Malaysia
For stock availability, kindly contact us @
Tel : +6012 728 1063
Email : enquiry@giitechnology.com