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Sensor setup
6.4.2 Submerged pressure sensor programming
1. From the Main Menu, select OPTIONS, LEVEL SENSOR.
2. Select Submerged Xducer using the CHANGE CHOICE key and press ACCEPT.
6.4.3 Submerged pressure sensor calibration
To ensure optimum accuracy, calibrate the sampler approximately twice per year or when
changing to a different submerged pressure sensor.
In sites where harsh conditions (extremes of level, temperature, harsh chemicals, etc.)
calibration should be performed more often.
1. From the Main Menu, select
OPTIONS, ADVANCED OPTIONS > CALIBRATION,
SUBMERGED PROBE.
2. Choose the orientation that the sensor will be mounted in the flow stream, horizontal
or vertical, using the
CHANGE CHOICE key. Press ACCEPT.
1. Lift the sensor out of the water and hold it in the air in the same orientation selected
(horizontal or vertical) (Figure 23). Then press
ACCEPT.
Table 6 Submerged level sensor base board connection (J-21)
Pin Signal Description Wire Color
AV + Red
B Out + Yellow
C Out - Green
D Ground Black
11:00 AM 21 - APR - 01 CALIBRATION
ACCEPT ORIENTATION OF
CHANGE
CHOICE
SUBMERGED PROBE:
CANCEL
HORIZONTAL
SELECT APPROPRIATE UNITS
Figure 23 Lifting the sensor out of the water
1 Horizontal orientation 2 Vertical orientation
Goodnal STP ST041 Pre Treatment (Sigma 900 MAX All Weather Refrigerated Sampler) Vendor Manual
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