USER MANUAL
TYPE ML-2012/13
Manufacturers of low power instruments
page 12
1. Assign a name to the sensor (option 1: Name)
2. Set the power switch to enabled and enter the warm-up time. (the power switch will supply the sensor
with 12 Volts, and will be activated the time you specify, before a measurement is taken)
3. Set the sample interval. We use 10 seconds, to quickly check the sensor’s operation. A high range
sample interval is no problem for the battery-life, because the sensor will sleep until its data logging
interval is reached. So don’t be modest with the sample interval. It gives you great comfort.
4. Set the parameter name.
5. Set both minimum (option 6) and maximum (option 7) values of your sensor at 4mA and at 20mA. If
you don’t know those values you could determine the scaling by measuring two calibration points
(option 8). Those calibration points don’t have to be at the sensors absolute minimum and maximum,
but just two different points within the range of the sensor. (e.g. a measurement at 1m water level and
a measurement at 2m water level, while the sensors range is 0..10m)
6. If necessary option 9 can be used to perform an offset correction by measuring a single calibration
point.
7. Save and Exit
Your screen will look similar to the one underneath:
Analog sensor
Analog sensor
Analog sensor
Analog sensor
[0] Exit
[0] Exit
[0] Exit
[0] Exit
[1] Name >> Analog
[1] Name >> Analog
[1] Name >> Analog
[1] Name >> Analog
[2] Sensor power switch >> Disabled
[2] Sensor power switch >> Disabled
[2] Sensor power switch >> Disabled
[2] Sensor power switch >> Disabled
[3] Sample interval >> Normal 00:00:01; Alarm Not Used
[4] Port mode >> 4-20 mA
[5] Parameter >> Analog 1
[6] Parameter value at 4mA >> 0 units
[7] Parameter value at 20mA >> 100 units
[8] Determine linear conversion function (2 calibration points)
[9] Determine linear offset only (1 calibration point)
[R] Remove
>
Analog sensor
[0] Exit
[1] Name >> Upperstream
[2] Sensor power switch >> Enabled; Warm up time 00:00:01
[3] Sample interval >> Normal 00:00:10; Alarm Not Used
[4] Port mode >> 4-20 mA
[5] Parameter >> Water level
[6] Parameter value at 4mA
>> 0 m
[7] Parameter value at 20mA >> 10 m
[8] Determine linear conversion function (2 calibration points)
[9] Determine linear offset only (1 calibration point)
[R] Remove
>
