Campbell Scientific OBS3 Turbidity Sensor User Manual
Page 8
Interfacing the OBS-3 Turbidity Monitor with Campbell Scientific Dataloggers
4
;Read millivolt signal
3: Volts (DIFF) (P2)
1: 1
Reps
2: 25
2500 mV 60 Hz Rejection Range ;CR23X is 25 ± 5000 mV 60 Hz Rejection Range
3: 1
DIFF
Channel
4: 1
Loc [ Turbidity ]
5: 0.8
Mult
;(2000 FTU)/(2500 mV) CR23X would be 2000/5000 = 0.4
6: 0.0
Offset
;Remove power from probe
4: Do (P86)
1: 51
Set
Port
1
Low
;Measure system voltage
5: Batt Voltage (P10)
1: 2
Loc
[
BATT_VOLT
]
;Output every hour the date and the average turbidity, maximum
;turbidity with the time of occurrence, and battery voltage.
6: If time is (P92)
1: 0
Minutes
into
a
2: 60
Interval
3: 10
Set
Output
Flag
High
7: Real Time (P77)
1: 1110
Year,
Day,
Hour/Minute
8: Average (P71)
1: 1
Reps
2: 1
Loc [ Turbidity ]
9: Maximize (P73)
1: 1
Reps
2: 10
Value
with
Hr_Min
3: 1
Loc [Turbidity ]
10: Sample (P70)
1: 1
Reps
2: 2
Loc
[
BATT_VOLT
]
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