8
Chapter III Electrical Connections
3.1
Safety Prompts
Warning!
DO cut off the power before any electrical connections. Please pay attention to the power
supply data on the nameplate.
Caution!
Please strictly comply with local professional health and safety regulations. Only trained
personnel are allowed to operate the electrical equipment.
Prompts!
Please check the nameplate and confirm whether the goods are identical with your order or
not. Check whether the power supply on the nameplate is correct or not; if not, please contact
the manufacturer or the vendor.
Warning!
As specified, the meter must be connected to the protective ground terminal to protect
operators from electric shock.
Transducer housing should be grounded according to national electrical codes, and the most
efficient way for it is to directly connect it to the ground.
3.2
Electrical Cables used for the Flow Meter
Prompts about signal cables
Prompts!
As for signal cables with double shield, efficient grounding of the shield layer could greatly
eliminate the disturbance on the measured value in transmission.
Please pay attention to the following prompts:
Please place cables firmly.
It is allowed to place signal cables in water or soil.
Insulating materials should be flame retardant complying with EN 5062, IEC60322-1 or related
standards.
Signal cables shouldn’t be exposed or contain plasticizer, and shall be flexible at a low
temperature.