Campbell Scientific HC2S3 Temperature and Relative Humidity Probe - Manual (Page 21)

Model HC2S3 Temperature and Relative Humidity Probe
CR1000 program using single-ended measurements
'CR1000 program to measure HC2S3 with single-ended inputs
Public AirTC
Public RH
Units AirTC=Deg C
Units RH=%
DataTable(Table1,True,-1)
DataInterval(0,60,Min,10)
Average(1,AirTC,FP2,False)
Sample(1,RH,FP2)
EndTable
BeginProg
Scan(5,Sec,1,0)
PortSet(9,1)
'Turn on switched 12V
Delay(0,3,Sec) '3-second delay
'HC2S3 Temperature & Relative Humidity Sensor measurements AirTC and RH:
VoltSE(RH,1,mV2500,1,0,0,_60Hz,0.1,0)
VoltSe(AirTC,1,mV2500,2,0,0,_60Hz,0.1,-40)
PortSet(9,0) 'Turn off switched 12V
If RH>100 AND RH<103 Then RH=100
CallTable(Table1)
NextScan
EndProg
CR10(X) program using single-ended measurement instructions
;{CR10X} program to measure HC2S3 with single-ended inputs
*Table 1 Program
01: 5.0000 Execution
Interval (seconds)
1: Do (P86)
;Turn on switched 12V
1: 41 Set Port 1 High ;Jumper from C1 to SW 12V CTRL
2: Excitation with Delay (P22)
;3-second delay
1: 1 Ex Channel
2: 0 Delay W/Ex (0.01 sec units)
3: 300 Delay After Ex (0.01 sec units)
4: 0 mV Excitation
;HC2S3 Temperature & Relative Humidity Sensor measurements AirTC and RH:
3: Volt (SE) (P1)
1: 1
Reps
2: 25 2500 mV 60 Hz Rejection Range
3: 2 SE Channel
4: 2 Loc [ AirTC ]
5: 0.1 Multiplier
6: -40.0 Offset
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