ADS Environmental Services FlowShark Pulse QR 775004 A1 - Manual (Page 22)

Use and Specifications 2-5
Combi Sensor/Pipe Insertion Sensor
Measurement
Principle
• Ultrasonic transit time (depth measurement) – Combi Sensor
only
• Piezoresistive pressure measurement (depth measurement) –
Combi sensor only
• Correlation with digital pattern detection (flow velocity)
Measurement
Frequency
1 MHz
Protection Rating IP 68
Ex-Approval
(optional)
II 2 G EEx ib IIB T4
Operating
Temperature
-4° to 122° F (-20° to +50° C) (104° F (40° C) in Ex Zone 1)
Storage
Temperature
-22° to 158° F (-30° to +70° C)
Operating
Pressure
Maximum 58 psi (4 bar) (combi sensor with pressure element
maximum 14 psi (1 bar))
Cable Length 33/66/99/165 feet (10/20/30/50 m), extendable up to 820 feet (250
m); sensors with pressure measurement require pressure
compensation element junction box
Cable Types • Sensors with pressure measurement:
LiYC11Y 2x1.5 + 1x2x0.34 + PA 1.5/2.5
• Sensors without pressure measurement:
LiYC11Y 2x1.5 + 1x2x0.34
Outside Cable
Diameter
• Sensors with pressure measurement:
0.34 ±0.01 inches (8.7 ±0.25 mm)
• Sensors without pressure measurement:
0.3 ±0.01 inches (7.6 ±0.25 mm)
Sensor Types
• Flow velocity sensor with velocity measurement using cross-
correlation and temperature measurement to compensate for the
effect of temperature on the velocity of sound
• Combi sensor with flow velocity sensor using cross-correlation,
depth measurement via water-ultrasonic, and temperature
measurement to compensate for the effect of temperature on the
velocity of sound (combi sensor only)
• Combi sensor with flow velocity sensor using cross-correlation,
depth measurement via pressure, and temperature
measurement to compensate for the effect of temperature on the
velocity of sound (combi sensor only)
• Combi sensor with flow velocity sensor using cross-correlation,