Hach 900 MAX manual 4.3.2Submerged Pressure Sensor Programming, Section

Section 4

Table 6 Submerged Level Sensor Base Board Connection (J21)

Pin	Signal Description	Wire Color
A	V +	Red
B	Out +	Yellow
C	Out -	Green
D	Ground	Black

4.3.2Submerged Pressure Sensor Programming

1.From the Main Menu, select OPTIONS>LEVEL SENSOR.

2.Select Submerged Xducer using the CHANGE CHOICE key and press

ACCEPT.

4.3.3Submerged Pressure Sensor Calibration

In sites with 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.

11:00 AM 21 - APR - 01		CALIBRATION
			CHANGE
ACCEPT	ORIENTATION OF		CHOICE
	SUBMERGED PROBE:
	HORIZONTAL
CANCEL
	SELECT APPROPRIATE UNITS

3.Lift the sensor out of the water and hold it in the air in the same orientation that you selected in the previous step (horizontal or vertical) (Figure 18). Then press ACCEPT to continue.

Figure 18 Lifting the Sensor Out of the Water

Horizontal Vertical

4.Follow either the vertical or horizontal procedure below.

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