Option 3: two-wire sensor, Option 4: fixed value, Option 5: pressure – ADS Environmental Services Portable FlowShark Pulse QR 775006 A2 User Manual

Page 124

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Parameter Settings

6-25

Option 3: Two-Wire Sensor

This option involves depth measurement using an external 2-wire sensor (not supplied
by ADS
). The system calculates flow rate exclusively using Q = f(h) without an
additional velocity sensor. However, the velocity sensor may be used in conjunction
with this sensor.

Sensor type 3: Two-Wire Sensor

Option 4: Fixed Value

This option is recommended for applications involving pipes and channels that
remain full (e.g., NPP) and, therefore, typically do not require depth measurements.
Set the constant depth level PAR > Fixed value > Scale > Height. Use this
parameter for testing or initial startups where a depth reading is not available.

Option 5: Pressure

This option involves depth measurement using a water-ultrasonic combination sensor
with an integrated pressure measurement cell from the bottom up. It can be installed
off-center (e.g., at locations experiencing silt and possibly heavy debris buildup).

This option also can be used for depth measurement in overflows.

P

1

Sensor type: Pressure (1 presents sedimentation)

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