Campbell HC2S3 User Manual download pdf (Page 24)

HC2S3 Temperature and Relative Humidity Probe

CR1000 program using differential measurements

'CR1000 program to measure HC2S3 with differential measurements

Public AirTC

Public RH

DataTable(Temp_RH,True,-1)

DataInterval(0,60,Min,0)

Average(1,AirTC,IEEE4,0)

Sample(1,RH,IEEE4)

EndTable

BeginProg

Scan(1,Sec,1,0)

'HC2S3 Temperature & Relative Humidity Sensor measurements AirTC and RH:

VoltDiff (AirTC,1,mV2500,1,True,0,_50Hz,0.1,-40)

VoltDiff (RH,1,mV2500,2,True,0,_50Hz,0.1,0)

If RH>100 And RH<103 Then RH=100

CallTable(Temp_RH)

NextScan

EndProg

CR10(X) program using differential measurement instructions

;{CR10X}

*Table 1 Program

01: 1.0000 Execution Interval (seconds)

;HC2S3 Temperature & Relative Humidity Sensor measurements AirTC and RH:

1: Volt (Diff) (P2)

1: 1 Reps

2: 35 2500 mV 50 Hz Rejection Range

3: 1 DIFF Channel

4: 3 Loc [ AirTC ]

5: 0.1 Multiplier

6: -40 Offset

2: Volt (Diff) (P2)

1: 1 Reps

2: 35 2500 mV 50 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

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Campbell HC2S3 User Manual Page 24

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