Heat Stress Wet Bulb Globe Temperature (WBGT) Meter
(Model No.: TM- 288)

Quality Product ~ Made in Taiwan

As the Holy Infant, the temperature increasingly rises. The chance of heatstroke increases dramatically in the moist heat environment. This product, measuring in WBGT, provides real-time alarm immediately so as to prevent heatstroke in such the environment.

Product Functions

• In compliance with JIS B 7922 Level 2
• Three applications: arm band, tripod, and hanging.
• High-sensitive capacitive humidity sensor and bandgap temperature sensor.
• Measure the WBGT, black-globe temp. (TG), Air temp. (TA), humidity (%RH).
• Low voltage indicator
• °C or °F selectable.
• With the plastic black-globe of the diameter Ø40mm.
• Three-stage WBGT alarm selectable
• Outdoor or indoor (default is OUT) measurement mode selectable.

Specifications

• Wet bulb globe temperature (WBGT)

  Unit	Measuring range	Alarm Default	Alarm User Flashing Alarm
  Caution	>21~25°C	mute	As exceeding the setting value,beep for 15 seconds
  Extreme caution	>25~28°C	Beep for 4 seconds
  Danger	>28°C~31°C	Beep for 15 seconds
  Extreme Danger	>31°C	Beep for 3 second and pause for 2 seconds, repeat until 15 seconds

• Wet bulb globe temperature (WBGT)
  • Measuring range: 0~50.0℃ / 32.0~122.0℉
  • Resolution: 0.1℃ / 0.1℉
  • Tolerance @ @15~40°C: ±2.0℃ / ±3.6℉
  • Indoor & outdoor without sunshine ”IN” :WBGT = (0.7×WET)+(0.3×TG)
  • Outdoor in sunshine ”OUT” :WBGT=(0.7×WET)+(0.2×TG)+(0.1×TA)
• Air temperature (TA):
  • Range : 0~50.0℃ / 32.0~122.0℉
  • Resolution : 0.1℃ / 0.1℉
  • Tolerance @15~40℃ : ±0.6℃ / ±1.6℉
• Black globe temperature (TG):
  • Range : 0~80.0℃ / 32.0~176.0℉
  • Resolution : 0.1℃ / 0.1℉
  • Accuracy @15~40℃ : ±0.6℃ / ±1.1℉
• Relative Humidity (%RH):
  • Range : 0%~99.9%
  • Resolution : 0.1%
  • Accuracy : ±5.0%RH(30~90%) / ±7.0%RH(<30%, >90.0%)
• Dimension : 116 x 60 x 50mm (L x W x H)
• Weight : 80g
• Power supply : 3V CR2032 battery x 1
• Battery life : about 500 hours (alarm not provided)
• Sampling interval: per 20 seconds
• Operating wind speed: 0.3 m/s or above.
• Operation temperature and humidity: 0°C to +50°C,<80%RH (No condensation)
• Storage temperature and humidity: 0°C to +60°C,<70%RH (No condensation)
• Standard accessories:
  • CR2032 battery x 1
  • User’s manual x 1