Technical Specifications For The Low Profile Av Sensor - Teledyne 4250 Installation And Operation Manual

Table 1-4 Technical Specifications for the Low Profile AV Sensor
Weight
Sensor Dimensions
Nose Angle
Wetted Sensor Material
Cable Material
Cable Length
Maximum Distance (between sensor
and module)
Operating Temperature
Storage Temperature
Level Measurement Range
Maximum Allowable level
Level Measurement Accuracy
Temperature Coefficient
Maximum Long-term Drift
Velocity Measurement Method
Frequency
Transmission Angle
Typical minimum depth for velocity
measurement
Range
Velocity Accuracy
2.1 lbs (.95 kg) including cable and connector
Length: 6.00 inches (15.2 cm)
Width: 1.31 inches (3.3 cm)
Height: 0.75 inches (1.9 cm)
110° from horizontal
Epoxy, chlorinated polyvinyl chloride (CPVC), Stainless-steel
Polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC)
25 ft (7.6 m)
75 ft (22.8 m) with optional extension cables. The distance can be extended
up to 1000 ft (300 m) with the optional Quick Disconnect Box.
32° to 122°F (0° to 50°C)
-40° to 160°F (-40° to 71°)
0.033 to 10.0 ft (0.01 to 3.05 m)
20 ft (6.1 m)
0.033 to 5.0 ft: ± 0.008 ft/ft (0.01 to 1.52 m: ± 0.008 m/m)
>5.0 ft: ± 0.012 ft/ft (>1.52 m: ±0.012 m/m)
Accuracy per foot of change from calibrated depth @77°F (25°C). Includes
non-linearity and hysteresis.
±0.0023 ft/°F (±0.0013 m/°C)
Maximum error within operating temperature range at zero pressure (per
degree of change from calibration temperature).
0.033 ft (±0.010 m)
Doppler Ultrasonic
500 kHz
20° from horizontal
1 inch (25 mm)
-5 to +20 ft/s (-1.5 to +6.1 m/s)
-5 to +5 ft/s (-1.5 to +1.5 m/s): ± 0.1 ft/s (±0.03 m/s)
5 to 20 ft/s (1.5 to 6.1 m/s): 2% of reading
Velocity accuracy for a uniform velocity profile in water with a
speed-of-sound of 4,850 ft/s.
4250 Flow Meter
Section 1 Introduction
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