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