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Xtester- Tenmars TM-188D Heat Stress WBGT Meter Wet Bulb Globe Temperature Meter,Thermal stress analyzer
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. 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) |
Specifications
Dimensions:300x70x50mm(length x width x height). Weight: Approximately 220 grams. Electrical Specifications (23℃±5℃) |
Wet bulb globe temperature (WBGT) | ||||
Unit | Range | Resolution | Accuracy @15~40°C | |
indoor&Outdoor | °C | 0~59.0 | 0.1 | ±1.0 |
°F | 32.0~138.0 | 0.1 | ±1.8 | |
Outdoor With sunlight | °C | 0~56.0 | 0.1 | ±1.5 |
°F | 32.0~132.0 | 0.1 | ±2.7 | |
*indoor & outdoor without sunlight:WBGT = (0.7×WET)+(0.3×TG) Outdoor with sunlight:WBGT=(0.7×WET)+(0.2×TG)+(0.1×TA) | ||||
Air temperature (TA) | |||
Unit | Range | Resolution | Accuracy @15~40°C |
°C | 0~50.0 | 0.1 | ±0.8 |
°F | 32.0~122.0 | 0.1 | ±1.5 |
Black globe temperature (TG) | |||
Unit | Range | Resolution | Accuracy @15~40°C |
°C | 0~80.0 | 0.1 | ±0.6 |
°F | 32.0~176.0 | 0.1 | ±1.1 |
Relative Humidity (%RH) | |
Measurement 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 | 0.1 |
°F | -31.5~120.1 | 0.1 |
The value is calculated from the RH and Air temperature. | ||
Wet bulb temperature (WET) | ||
Unit | Range | Resolution |
°C | -21.6~50.0 | 0.1 |
°F | -6.9~122.0 | 0.1 |
The value is calculated from the RH and air temperature. | ||
