(3)
Usage Precautions
This instrument is used to measure flow quantities by means of ultrasound. For
safe usage and optimum performance of the flowmeter, always operate the
instrument according to the usage precautions below.
1. Failure to comply with one or more of the following conditions may result in poor
measurement performance or incorrect measurement values.
・
Use an appropriate power supply rated for the voltage range designated in the
specifications.
・
Use the equipment within the predetermined ambient temperature and humidity
range.
・
Fill pipes entirely with water.
・
Be sure bubbles or particles that might interfere with ultrasonic waves are absent
during measurement.
・
Position the transducer in accordance with the required straight pipe length.
・
Do not subject the transducer to vibration or mechanical shock.
・
Place the flowmeter unit, transducer and cable in a location without noise
interference.
2. In case of measurement failure, alarm indications are displayed on the LCD.
During measurement failure, the flowmeter may display the flow value preceding
the alarm.
3. Be sure to use the instructions in the Manual when changing settings on the main
flowmeter unit. Incorrect settings will result in poor performance or incorrect
measurement values.
4. Do not modify or disassemble the unit. Such actions may result in electrical shock
or equipment damage.
5. Do not use any battery or AC adaptor except the specified one by manufacturer.
In case of such unmatched combination may result in electrical shock or equipment
damage.
6. To comply with CE certification, do not operate the unit with the charger plugged in.
7. If this Operation Manual is lost, contact the nearest representatives.
Summary of Contents for UFP-20
Page 1: ...Doc No KF08 002L Portable Ultrasonic Flowmeter UFP 20 Installation Operation Manual ...
Page 3: ... 2 The attachment of warning label is as follows Fig 1 2 Rear view of main unit Warning label ...
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