Martel Electronics BetaGauge 321A-Ex - Manual (Page 6)

2. Calibrator Interface
Figure 1 shows the location of the process measurement inputs, while table 1 describes
their use.
Figure 1
Pressure Measurement Inputs
Table 1 Process Measurement Inputs
No. Name Description
1, 2 Input Terminals These terminal are used to measure current and a contact
closure for switch test.
3 P1 Pressure Port This is the connection for the internal sensor P1
4 P2 Pressure Port This is the connection for the internal sensor P2
5 RTD Probe Connector This connector is where the RTD probe is plugged in.
4
Side View