APT3500 Smart Pressure Transmitter
Operation Manual M3500-EO1G
68 DUON System Co., Ltd.
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Housing grounding method
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Internal Ground Connection: Internal grounding screw is located at
terminal of the housing interior, and the screw is identified by the ground
symbol.
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External Ground Assembly: It is located at the right side of the housing
front (facing LCD), and identified by ground symbol.
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When impulse line is used, Stopping Boxes should be directly connected to
the housing wall.
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Cable grand should obtain proper environment certification for flameproof to
be used at ZONE 1.
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Impule line should engage at least five screw thread.
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Sensor should engage at least seven screw thread, and is prevented from
rotating by tightening “Housing rotation” screw.