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Hach FH950 - Basic User Manual; Section 1 Expanded manual version; Section 2 Specifications; 2.1 Sensor specifications

Hach FH950
242 pages
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Table of Contents
1 Expanded manual version on page 3
2 Specifications on page 3
3 General information on page 5
4 Installation on page 10
5 User interface and navigation on page 14
6 Startup and self-test on page 19
7 Maintenance on page 20
8 Troubleshooting on page 21
Section 1 Expanded manual version
For additional information, refer to the expanded version of this manual, which is available on the
manufacturer's website.
Section 2 Specifications
Specifications are subject to change without notice.
2.1 Sensor specifications
Specification Details
Velocity measurement
Method Electromagnetic
Range 0 to 6.09 m/s (0 to 20 ft/s)
Minimum water depth 3.18 cm (1.25 in.)
Accuracy ±2% of reading ±0.015 m/s (±0.05 ft/s) 0 to 3.04 m/s (0 to 10 ft/s); ± 4% of
reading from 3.04 to 4.87 m/s (10 to 16 ft/s)
Resolution 0 ≤ value < 10: 3 decimal places; 10 ≤ value < 100: 2 decimal places;
100 ≤ value < 1000: 1 decimal place; value ≥ 1000: 0 decimal places
Zero stability ±0.015 m/s (±0.05 ft/s)
Material ABS, glass filled
Enclosure rating IP68
Dimensions (L x W x H) 11.9 x 4.3 x 6.3 cm (4.7 x 1.7 x 2.5 in.)
Cable material Polyurethane jacketed
Cable lengths 2, 6.1, 12.2 and 30.5 m (6.5, 20, 40 and 100 ft)
Depth measurement
Method Diaphragm type: absolute pressure with single point calibration
Accuracy (static) The larger of ± 2% of reading or ± 0.015 m (± 0.504 inches). Steady state
temperature and static non-flowing water.
Range 3.05 m (0-10 ft)
Resolution 0 ≤ value < 10: 3 decimal places; 10 ≤ value < 100: 2 decimal places;
100 ≤ value < 1000: 1 decimal place; value ≥ 1000: 0 decimal places
English 3

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