Network Meter Block Installation, Operation, & Maintenance Manual
Installation 11
3.1.4 Connecting to a PRIME 4 or Genesis PD Meter
The NMB is designed to easily connect with Smith Meter electronic PD meters, such as the PRIME 4 or
Genesis PD meter.
3.1.4.1 PRIME 4 Meter
The PRIME 4 meter is supplied with a male ¾-inch NPT sensor housing. You can directly mount the NMB
to the sensor housing boss using a M/F conduit union and a 1-inch to ¾-inch NPT reducer fitting. See
Figure 4: PRIME 4 Meter with NMB Instrument Housing for an example of connections from the PRIME 4
sensor to the NMB and Figure 10: Meter Pulse Inputs from a PRIME 4 PD Meter Pulser for an example of
electrical connections.
3.1.4.2 Genesis Meter
The Genesis meter is supplied with an integral housing with female ½-inch NPT conduit entrances. The
NMB’s instrument housing can be directly mounted to the Genesis meter’s housing using a M/F conduit
union and a 1-inch to ½-inch NPT reducer fitting. See Figure 5: Genesis Meter with NMB Enclosure for an
example of connections from the Genesis Hall Rotary Encoder (HRE) circuit board to the NMB and
Figure 11: Meter Pulse Inputs from a Genesis PD Meter’s HRE Board (Configured with an RTD) for an
example of electrical connections.
Figure 4: PRIME 4 Meter with NMB Instrument Housing
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