General Information; Safety Information; Use Of Hazard Information - Hach Ultrasonic flow sensor Manuel D'utilisation

Specifications
Specifications are subject to change without notice.
Table 1 Ultrasonic flow module specifications
Specification Details
Flow rate Function of gauge structure type
Total flow 0-999,999,999 L with selectable flow rate and multiplier units
Accuracy 0.5% of span
Sensitivity 0.1% of span
Repeatability 0.1% of span
Response time Less than 180 seconds to 90% of value upon step change
Input filter 999 seconds
Table 2 Ultrasonic flow sensor specifications
Specifications Details
Measuring Range/Resolution
Depth 0.25 m (10 in.) to 6 m (20 ft) ± 1 mm (0.039 in.)
Air Temperature -40 °C (-40 °F) to +90 °C (+194 °F) ± 0.1 °C (0.18 °F)
Mechanical
Construction PBT (polybutylene terephthalate) body with integral
temperature sensor
Cable (integral) Standard 10 m (33 ft) length; optional lengths of 20 m
(66 ft), 50 m (164 ft) or 100 m (328 ft)
Weight 0.5 kg (1.1 lb) approximate
Operating frequency 75 kHz
Power dissipation 12 VDC, 0.5 W (0.042 A)
Operating Temperature 0 to 60°C (-32 to 140°F)

General information

In no event will the manufacturer be liable for direct, indirect, special,
incidental or consequential damages resulting from any defect or
omission in this manual. The manufacturer reserves the right to make
changes in this manual and the products it describes at any time, without
notice or obligation. Revised editions are found on the manufacturer's
website.

Safety information

N O T I C E
The manufacturer is not responsible for any damages due to misapplication or
misuse of this product including, without limitation, direct, incidental and
consequential damages, and disclaims such damages to the full extent permitted
under applicable law. The user is solely responsible to identify critical application
risks and install appropriate mechanisms to protect processes during a possible
equipment malfunction.
Please read this entire manual before unpacking, setting up or operating
this equipment. Pay attention to all danger and caution statements.
Failure to do so could result in serious injury to the operator or damage
to the equipment.
Make sure that the protection provided by this equipment is not impaired.
Do not use or install this equipment in any manner other than that
specified in this manual.

Use of hazard information

D A N G E R
Indicates a potentially or imminently hazardous situation which, if not avoided, will
result in death or serious injury.
W A R N I N G
Indicates a potentially or imminently hazardous situation which, if not avoided,
could result in death or serious injury.
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