Chapter 4 Electrical connection
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4.3. Potential Equalization
Danger!
No potential difference is allowed between the measuring sensor and
casing or protective earth of converter. The electromagnetic flowmeter
must be grounded separately during operation. If it is grounded with
other instruments or electrical devices, the leakage current may cause
serial-mode interference to the measurement signal, or in a serious
case, the electromagnetic flowmeter cannot work.
(1) The measurement sensor must be correctly grounded.
(2) The grounding conductor shall not transmit any interference voltage.
(3) It is not allowed to connect other electrical equipment to the grounding
conductor at the same time.
4.4. Power supply
Danger!
The equipment must be grounded in accordance with regulations
so as to protect the operator from electrical shock.
(1) 100-240VAC power supply
Figure 21
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