Table of Contents
Specifications
Specifications are subject to change without notice.
Specifications for the Submerged Area Velocity Sensor
Specifications are subject to change without notice. Performance will vary depending on channel
size, channel shape and site conditions.
Velocity measurement
Method
Transducer type:
Typical minimum depth for
velocity
Range
Accuracy
Level measurement
Method
Accuracy (static)
Velocity-induced depth error
Level range
Allowable level
General attributes
Air intake
Operating temperature
Level compensated
temperature range
Material
Power consumption
Cable
Doppler ultrasonic
Twin 1 MHz piezoelectric crystals
2 cm (0.8 in.)
-1.52 to 6.10 m/s (-5 to 20 ft/s)
± 2% of reading (in water with uniform velocity profile)
Pressure transducer with stainless steel diaphragm
• ±0.16% full scale ±1.5% of reading at constant temp (±2.5 ºC)
• ±0.20% full scale ±1.75% of reading from 0 to 30 ºC (32 to 86 ºF)
• ±0.25% full scale ±2.1% of reading from 0 to 70 ºC (32 to 158 ºF)
Compensated based on flow velocity
• Standard: 0-3 m (0-10 ft)
• Extended: 0-9 m (0-30 ft)
• Standard: 10.5 m (34.5 ft)
• Extended: 31.5 m (103.5 ft)
Atmospheric pressure reference is desiccant protected
0 to 70 ºC (32 to 158 ºF)
0 to 70 ºC (32 to 158 ºF)
®
Noryl
outer shell with epoxy potting within
Less than or equal to 1.2 W @ 12 VDC
Urethane sensor cable with air vent
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