Copyright Reserved, DONGYANG Corporation 2
1.0 GENERAL INFORMATION
This manual will assist you in installing, using and maintaining your DONGYANG flow meter.
It is your responsibility to make sure that all operators have access to adequate instructions
about safe operating and maintenance procedure.………………………………………………
Warning
For your safety, review the major warnings and cautions below before operating your
equipment.……………………………………………………………………………..
1. Use only fluids that are compatible with
the housing material and wetted components
of your meter.
2. When measuring flammable liquids,
observe precautions against fire or explosion.
3. When handling hazardous liquids, always
follow the fluids manufacturer’s safety
precautions.
4. When working in hazardous environments,
always exercise appropriate safety
precautions.
…………………………..
5. During meter removal, fluids may spill.
Follow the fluids manufacturer’s safety
precautions for clean up of minor spills.
…………………………..
6. When tightening the meter, use a
wrench only on the wrench flats. …………...
7. For best results, calibrate the meter at
least 1 time per year.……………………
Product Description
DONGYANG LDG electromagnetic flow meters are intended for fluid measurement in most
industries including water, wastewater, food and beverage, pharmaceutical and chemical.
……….
There are two basic components of DONGYANG electromagnetic flow meter: 1)The Detector,
which includes the flow tube, isolating liner and measuring electrodes, and 2) The Converter,
which is the electronic device responsible for signal processing, flow calculation, display and
output signals.
The materials of construction of the wetted parts (liner and electrodes) should be appropriate for
the specifications on the intended type of service. Review of the compatibilities consistent with
the specifications is recommended.
All DONGYANG’s electromagnetic flow meters are factory tested and calibrated. A calibration
certificate is included in the shipment of each meter.
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