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46 Grounding meter electronics housing
Section 3: Electrical installation Daniel 3812 Liquid Ultrasonic Flow Meter Installation Manual
May 2015 3-9000-765 Rev H
3.3 Grounding meter electronics housing
Daniel 3812 Liquid Ultrasonic Flow Meter electronics should be internally grounded for
intrinsically safe operations. Connect a wire to the chassis ground lug installed inside the
Transmitter Electronics Enclosure as the primary ground. A secondary ground is located outside
of the Transmitter Electronics Enclosure (see Figure 3-2). Digital grounds should never be
connected to chassis ground.
Figure 3-1 Transmitter Electronics Enc
losure internal chassis ground
The internal grounding terminal shall be used as the primary equipment ground. The
external terminal is only a supplemental bonding connection where local authorities permit
or require such a connection.
A. Transmitter Electronics Enclosure internal ground lug
A.