Hach Sigma 950, Инструкция по эксплуатации инструмента

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14
Specifications
Depth
Depth Accuracy: ±2% of reading
Standard Sensor Range: 0.005 m–3.5 m ±0.007 m (0.018–11.5 ft ±0.023 ft)
Extended Range: 0.005 m–10.5 m ±0.021 m (0.018–34.6 ft ±0.07 ft)
Maximum Allowable Depth: 3x over pressure
Operating Temperature Range: 32 to 160 °F (0 to 71 °C)
Compensated Temperature Range: 32 to 86 °F (0 to 30 °C)
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 m/sec (0 to 10 ft/sec) = 0.085% of reading
Air Intake: Atmospheric pressure reference is desiccant protected
Velocity Measurement
Method Doppler Ultrasonic
Material Polymere body, with stainless steel diaphragm
Cable 8-conductor urethane sensor cable with air vent
Cable Length 25 ft (7.6 m) standard, 76.2 m (250 ft) max.
Probe Dimension
Length: 12.7 cm (5 in.)
Width: 3.81 cm (1.5 in.)
Height: 2.03 cm (0.8 in.)
Accuracy ±2% of reading
Range –1.52 to 6.1 ms (-5 to +20 fps)
Resolution 0.0028 ms (0.01 fps)
Response Time 4.8 sec.
Profile Time 4.8 sec.
Zero Stability <0.05 fps (<0.015 ms)
Depth 2 cm (0.8 in.) minimum, typical
Operating Temperature
Range
–18 to 60 °C (0 to 140 °F)