4 crbasic program example, Maintenance and troubleshooting – Campbell Scientific OBS3 Turbidity Sensor User Manual
Page 9
Interfacing the OBS-3 Turbidity Monitor with Campbell Scientific Dataloggers
5
2.4 CRBasic Program Example
'CR1000
'Declare Variables and Units
Public Batt_Volt
Public FTU
Units Batt_Volt=Volts
'Define Data Tables
DataTable(Table1,True,-1)
DataInterval(0,60,Min,10)
Average(1,FTU,IEEE4,False)
Maximum(1,FTU,IEEE4,False,True)
EndTable
DataTable(Table2,True,-1)
DataInterval(0,1440,Min,10)
Minimum(1,Batt_Volt,FP2,False,False)
EndTable
'Main Program
BeginProg
Scan(30,Min,1,0)
'Default Datalogger Battery Voltage measurement Batt_Volt:
Battery(Batt_Volt)
'OBS-3 Turbidity Probe (D&A Instruments) measurement FTU:
PortSet(9,1)
Delay(0,3,Sec)
VoltDiff(FTU,1,mV5000,1,True,0,_60Hz,0.4,0)
'MULTIPLIER: (2000 FTU)/(5000 mV) = 0.4
PortSet(9,0)
'Call Data Tables and Store Data
CallTable(Table1)
CallTable(Table2)
NextScan
EndProg
3. Maintenance and Troubleshooting
Follow the maintenance and troubleshooting procedures that are outlined in the
OBS-3 technical manual provided by D & A Instrument Company.
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