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INM MTL 130-0126 Rev 13
3.5 Flow meter
3.5.1 K6050
The instrument is supplied with a flow meter to enable the sample flow to be monitored.
Attach this as shown in Figure 4 above.
3.5.2 K1650
The remote sensor enclosure (see Figure 2) is fitted with a flow meter.
3.6 Electronic module installation (K1650)
The display & control unit is designed to be panel mounted, refer to Figure 1 for further details.
3.7 Sensor and control/display-unit connections
CAUTION
The sensor and control unit are matched during manufacture. Each instrument will operate
correctly only with its own sensor. The sensor serial number is recorded on the test
certificate supplied with the instrument.
3.7.1 Sensor connections
The connections for the sensor are located inside the sensor enclosure on the circuit-board
backplane, adjacent to the cable entry gland. The connections SIG, REF and COM correspond to
the same connections on the rear of the control/display unit and should be wired accordingly.
Figure 6
- Internal wiring for K1550 control unit mounted in a hazardous area
Figure 5
- Connections when sensor is in a hazardous area (K1650)