TENMARS TM-188D HEAT STRESS WBGT METER

Product Description

- 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.
- Viewing data records.
- Switch the temperature unit to ℃ or ℉. 
- Brass black ball in 50mm diameter.
- WBGT alarm setting.
- Auto power off with disable function.
- Data logging capacity: 12000 records, USB PC serial interface (TM-188D).
- Sampling interval: Max 24 hours; Min 1 Second (TM-188D).

Specification 
 

TM-188
TM-188D (with datalogger) 
Specifications (23℃±5℃)

Wet bulb globe temperature (WBGT) : 

Unit

Range

Resolution

Accuracy

@15~40℃

indoor

&

Outdoor without sunlight

℃

0~59.0

0.1

±1.0

℉

32.0~

138.0

0.1

±1.8

Outdoor 

With sunlight

℃

0~56.0

0.1

±1.5

℉

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℃

℃

0~50.0

0.1

±0.8

℉

32.0~122.0

0.1

±1.5

Black globe temperature (TG):

Unit

Range

Resolution

Accuracy

@15~40℃

℃

0~80.0

0.1

±0.6

℉

32.0~176.0

0.1

±1.1

Relative Humidity (%RH):

Measurement Range

1%~99%

Accuracy

±3.0%RH(20~80%)

±5.0%RH(80%)

Resolution

0.1%

Dew point temperature (DEW):

Unit

Range

Resolution

℃

-35.3~48.9

0.1

℉

-31.5~120.1

0.1

The value is calculated from the RH and Air temperature.

Wet bulb temperature (WET):

Unit

Range

Resolution

℃

-21.6~50.0

0.1

℉

-6.9~122.0

0.1

The value is calculated from the RH and air temperature. 

- Dimension : 300 x 70 x 50mm (L x W x H) 

- Weight : 220g. (Without batteries).

- Power supply : 006P 9V,or AC100~240V DC 9V/ 0.5A(9mm).

- Battery life : 200 hours.

- Operating Temperature & Humidity :0°C to +50°C.

- Storage temperature & humidity : -10°C to +50°C .

- Data output :USB PC serial interface,12000 records. (TM-188D)

- LCD: 52mm(W)x36mm(L) monochrome LCD and backlight. 

- Standard accessories: 006P 9V battery x1, User’s manual x 1,  Carrying x1,

USB cable(TM-188D) x1, AC100~240V to DC9V/0.5A (9mm)x1 (TM-188D), 
 Install CD disk(TM-188D) x1