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Tenmars WBGT TM-188D/188 (Datalogger), photo 1 of 5

Tenmars · WBGT Heat Stress Meter

Tenmars WBGT TM-188D/188 (Datalogger)

Tenmars WBGT TM-188D/188 is a sophisticated heat stress meter designed to accurately measure Wet Bulb Globe Temperature (WBGT) for assessing environmental heat stress. Equipped with a digital display, it provides precise readings of ambient temperature, wet bulb temperature, and globe temperature, making it essential for managing heat exposure in industrial settings, athletic environments, and outdoor activities. This versatile tool ensures effective monitoring and management of heat-related risks, enhancing safety and comfort.

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Overview

  • Quick-Response Capacitance Sensor

    Provides precise measurements of WBGT, black globe temperature (TG), humidity (%RH), air temperature (TA), wet bulb (WET), and dew point (DEW).

  • Data Logging

    The TM-188D model can store up to 12,000 data records and features a USB PC serial interface for easy data transfer. The TM-188 model can record up to 50 data points.

  • User-Friendly Display

    Equipped with an easy-to-read LCD display with LED backlight.

  • Versatile and Reliable

    Offers the ability to switch between Celsius (℃) and Fahrenheit (℉) units, record minimum and maximum values, and includes a low battery indication.

  • Alarm Function

    Allows setting WBGT alarms to alert users when environmental conditions exceed preset limits.

  • Standards Compliance

    Adheres to ISO7243 and ISO7726 standards for estimating heat stress in hot environments.

Specifications

Tenmars TM-188D Heat Stress WBGT Meter with Datalogger15 items
indoor & Outdoor without sunlight
WBGT = (0.7×WET)+(0.3×TG) Range : 0~59.0℃ / 32.0~ 138.0℉ Resolution : 0.1℃ / 0.1℉ *Accurancy@15~50℃ : ±1.0℃ / ±1.8℉
Outdoor With sunlight
WBGT=(0.7×WET)+(0.2×TG)+(0.1×TA) Range : 0~56.0℃ / 32.0~ 132.0℉ Resolution : 0.1℃ / 0.1℉ *Accurancy@15~50℃ : ±1.5℃ / ±2.7℉
Air temperature (TA)
Range : 0~50.0℃ / 32.0~122.0℉ Resolution : 0.1℃ / 0.1℉ *Accuracy @15~50℃ : ±0.8℃ / ±1.5℉
Black globe temperature (TG)
Range : 0~80.0℃ / 32.0~176.0℉ Resolution : 0.1℃ / 0.1℉ **Accuracy @15~60℃ : ±0.6℃ / ±1.1℉
Relative Humidity (%RH)
Range : 1%~99% Resolution : 0.1% Accuracy : ±3.0%RH(20~80%) / ±5.0%RH(80%)
Dew point temperature (DEW
Range : -35.3~48.9℃ / -31.5~120.1℉ Resolution : 0.1℃ / 0.1℉ The value is calculated from the RH and Air temperature
Wet bulb temperature (WET)
Range : -21.6~50.0℃ / -6.9~122.0℉ Resolution : 0.1℃ / 0.1℉ *Accuracy @15~50℃ : ±0.8℃ / ±1.5℉ (based on TA) 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
9V battery 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.
LCD
52mm(W)x36mm(L) monochrome LCD and backlight.