Hach 900 MAX Instrument Manual page 15

Submerged Area/Velocity Probe
Method
Material
Cable
Cable Length
Sensor Dimension
Velocity
Depth
8990spc.fm
Doppler Principle/Pressure Transducer.
Polymer body, 316 series stainless steel diaphragm.
8-conductor urethane sensor cable with air vent.
7.6 m (25 ft) standard
Length: 12.7 cm (5 in.)
Width: 3.8 cm (1.5 in.)
Height: 2 cm (0.8 in.)
Velocity accuracy: 2% of reading; Zero Stability: <0.015 mps (<0.05 fps).
Response time: 4.8 seconds.
Profile Time: 4.8 seconds.
Range: -1.52 to 6.1 mps (-5 to +20 fps).
Resolution: 0.3 cm (0.01 fps).
Depth Accuracy: 0–3.35 m (0–11 ft) 1.37 mm (±0.054 in.)
0–10.06 m (0–33 ft) 4.09 mm (±0.161 in.)
Maximum Allowable Level: 3x over pressure.
Operating Temperature Range: 0 to 71 °C (32 to 160 °F).
Compensated Temperature Range: 0 to 30 °C (32 to 86 °F).
Temperature Error:
0.005 to 3.5 m ±0.0022 m/°C (0.018 to 11.5 ft ±0.004 ft/°F)
0.005 to 10.5 m ±0.006 m/°C (0.018 to 34.6 ft ±0.012 ft/°F)
(maximum error w/in compensated temperature range - per degree of change)
Velocity Induced Error on Depth (patent pending):
0 to 3.05 mps (0 to 10 fps) = 0.085% of reading.
Air Intake: Atmospheric pressure reference is desiccant protected.
Specifications
Page 13
Specifications