Specifications – General Tools and Instruments HT20 User Manual
Page 18

SPECIFICATIONS
Temperature Measurement Range
-4° to 158°F (-20° to 70°C)
Temperature Measurement Accuracy ±0.7°F (0.4°C)
Temperature Measurement
±0.2°F (0.1°C)
Resolution and Repeatability
Relative Humidity (RH)
10 to 90%
Measurement Range
RH Measurement Accuracy
±3%
RH Measurement Resolution
±0.1%
and Repeatability
Internal Storage Capacity
8,000 pairs of RH/Temp
readings
Display
3-1/2-digit LCD with
60 second auto power off
Temperature Response Time
0.5 seconds
Humidity Response Time
5 seconds
Interface
USB 1.0/2.0
Length of USB Extension Cable
7.9 in. (200mm)
Dimensions
4.96 x 1.10 x 2.01 in.
(126 x 28 x 51 mm)
Weight
<7 oz. (<200g)
Power Source
3.6V non-rechargeable
(1/2 AA) 1200mAh
Lithium-ion battery
Current Consumption
<0.2mA
Battery Life (typical)
1 year
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HT20 - Manual–FINAL_REV_0316121_awb 3/16/12 4:02 PM Page 18