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Section 4
Page 67
8990sensors.fm Submerged Pressure Sensor
Vertical Orientation Only
a. Place the sensor under at least 16 cm (6 in.) of water in a vertical
orientation. Make sure the sensor is stable and not moving around.
Then press
ACCEPT to continue.
b. Carefully measure the depth (D
1
) from the surface of the water to the
first weld mark that encircles the sensor body just above the breather
vent holes (Figure 19). The weld mark indicates the location of the
internal diaphragm.
c. Enter the depth (D
1
) and press ACCEPT when done.
Figure 19 Measuring Submerged Depth, Vertical Orientation
Horizontal Orientation Only
Note: Always check the Level
Adjust when reinstalling the sampler
following a calibration.
a. Place the sensor under at least 16 cm (6 in.) of water in a horizontal
orientation. Make sure the sensor is stable and not moving around.
Then press
ACCEPT to continue.
b. Measure the depth from the bottom of the bucket to the surface of the
water (D
1
) (Figure 20) and enter the value. Press the ACCEPT.
Figure 20 Measuring Submerged Depth, Horizontal Orientation
1. Gray Band 2. Breather Vents 3. Detachable Nose Cone
D
1
1
2
3
D
1