Campbell Scientific HC2S3 Temperature and Relative Humidity Probe - Manual (Page 25)

Model HC2S3 Temperature and Relative Humidity Probe
2: Volt (Diff) (P2)
1: 1
Reps
2: 25 2500 mV 60 Hz Rejection Range
3: 2 DIFF Channel
4: 4 Loc [ RH ]
5: 0.1 Multiplier
6: 0 Offset
3: If (X<=>F) (P89)
1: 4
X Loc [ RH ]
2: 3 >=
3: 100 F
4: 30 Then Do
4: If (X<=>F) (P89)
1: 4
X Loc [ RH ]
2: 4 <
3: 103 F
4: 30 Then Do
5: Z=F x 10^n (P30)
1: 100
F
2: 0 n, Exponent of 10
3: 4 Z Loc [ RH ]
6: End (P95)
7: End (P95)
8: If time is (P92)
1: 0
Minutes (Seconds --) into a
2: 60 Interval (same units as above)
3: 10 Set Output Flag High (Flag 0)
9: Set Active Storage Area (P80)
1: 1
Final Storage Area 1
2: 101 Array ID
10: Real Time (P77)
1: 1220 Year,Day,Hour/Minute (midnight = 2400)
11: Average (P71)
1: 1 Reps
2: 3 Loc [ AirTC ]
12: Sample (P70)
1: 1 Reps
2: 4 Loc [ RH ]
7.5 Measuring Probes with Long Cables
For cable lengths longer than 6.1 m (20 ft), Campbell Scientific recommends
measuring the voltage signals using differential inputs as discussed below.
Connections for differential inputs are given in TABLE 7-2.
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