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11.Safety rules
★Danger :
1) Strictly distinguish the power wire, relay output, sensor down-lead and data line, and the relay
could not be overloaded.
2) Prohibit connecting the wire terminals without electricity cut-off.
★Warning :
Prohibit using this unit under the environment of over damp, high temp., strong electromagnetism
interference or strong corrosion.
★Notice:
1) The power supply should conform to the voltage value indicated in the instruction, and make sure a
steady power supply.
2) To avoid the possible interference, the sensor down-lead/data line and power wire should be kept in
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