Extech Instruments EN300 User Manual page 9

Hygrometer (Humidity/Temperature)
Units Range
%RH 10 to 95 %RH
32 to 122°F
°F
0 to 50°C
°C
Light
Units
Lux
Ft-cd
Sound Level
Microphone
Measurement Range
Resolution
Frequency response
Weighting
Time Response
Accuracy
Note: Stated specification tests under the environment RF Field Strength less than 3 V/M &
frequency less than 30 MHz only
Note: Specification stated for 23± 5°C
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Resolution
0.1 %RH
0.1°F
0.1°C
Range
0 to 2,200 Lux
1,800 to 20,000 Lux
0 to 204.0 Fc
170 to 1,860 Fc
½" Electret condenser microphone
35 to 130 dB, Auto range
0.1dB
31.5Hz to 8,000Hz
" A " frequency weighting network
"Fast"
Meets IEC 61672 class 2, A weight, Fast response
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Accuracy
< 70 %RH :± 4 %RH
≧ 70 %RH :± ( 4%rdg + 1.2 %RH )
± 2.5°F
± 1.2°C
Resolution Accuracy
1 Lux
10 Lux
± 5% rdg ± 8 digits
0.1 Ft-cd
1 Ft-cd
9 EN300-EU-EN v1.3 4/14