User Manual

40 Grounding meter electronics
Section 3: Electrical installation Daniel 3814 Liquid Ultrasonic Meter Installation Manual
March 2015 3-9000-760 Rev E
3.3 Grounding meter electronics
Daniel 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. Secondary grounds are located outside of the
Transmitter Electronics Enclosure (see Figure 3-2).
Figure 3-1 Internal Transmitter Electronics Enclosure 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.