Vaisala HMT140 User Manual page 54

Wireless humidity and temperature data logger
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Appendix Specifications and Troubleshooting
Table 2: Humicap Temperature Measurement
Specifications (with HMP110D)
Property
Accuracy over temperature range continued:
at -40 ... 0 °C and +40 ... +80 °C
(-40 ... +32 °F and +104 ... +176 °F)
Temperature sensor
Table 3: Analog Inputs
Property
Current inputs
Voltage inputs
Boolean Contact inputs
Isolation
RTD inputs
RTD Measurement range
RTD Accuracy over temperature range
52
Description / Value
±
±
0.4 °C (
0.72 °F)
Pt1000 RTD 1/3 Class B IEC 751
Description / Value
0-22 mA
Resolution: 0.67 µA
±
Accuracy:
0.15 % F.S. at +25 °C
Input Impedance: 62 Ohms
Overload Protection: 40 mA max.
0-5 V, 0-10 V
Resolution: 0.0034% F.S.
±
Accuracy:
0.15 % F.S. at +25
Input Impedance: 37K Ohms
Overload Protection: 50 volts max.
Open/Closed with magnetic reed switch
cable connections (Dry Contact)
One common per logger
Pt 100 RTD / 4 wire
Class A IEC 751
Input Impedance: 5.1K Ohms
-196 °C to +90 °C
°
-196 to -90 +/- 2.5
C
°
-90 to -30 +/- 0.75
C
°
-30 to 0 +/- 0.5
C
°
0 to 50 +/- 0.25
C
°
50 to 90 +/- 0.75
C
VAISALA

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Troubleshooting

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