Specifications - Extech Instruments HT30 User Manual

Specifications

HT30 WBGT calculations:
WBGT = Wet bulb Globe temperature
WB
TG
TA
OUT of the Sun (Indoors)
IN full Sun (Outdoors)
Sensor - Wet bulb calculator (sea level pressure)
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Wet Bulb Globe Temperature (WBGT)
WBGT Accuracy
TG Black Globe Temperature range
TG Accuracy Indoor
Outdoor
TA Air Temperature range
TA Accuracy
Relative Humidity (RH)
RH Accuracy
Resolution
Operating Temperature
Operating Humidity
Power Supply
Battery Life
Dimensions
Weight
Optional Accessories
= Wet bulb temperature (Calculated from temperature and Humidity)
= Globe temperature
= Air temperature
WBGT = 0.7xWB + 0.3xTG
WBGT = 0.7xWB + 0.2xTG + 0.1xTA
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0°C to 50°C (32°F to 122°F)
Calculated from measured parameters
0 to 80°C (32°F to 176°F)
±2°C (4°F)
±3°C (5.5°F)
0°C to 50°C (32°F to 122°F)
±1°C (1.8°F)
0 to 100%RH
±3% (at 25°C, 10 to 95%RH)
0.1°F/°C; 0.1%RH
0°C to 50°C (32°F to 122°F)
Max. 80% RH
Two AAA batteries
Approx 1000 hours
Meter: 254 x 48.7 x 29.4mm (10x1.9x1.1")
Black Ball: 40mm, 35mm (1.57 Dia., 1.37H)
136g (4.8oz)
PC software and cable (407752)
5 HT30-en-GB_V3.6 4/16
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