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PN 074-677-P1A
©2018 INFICON
Easy Rate Sensor
For the standard single sensor, the wire can be soldered onto the microdot connector
prior to installation into the sensor. For the standard dual sensor, run the new
insulation into the sensor up to each crystal holder cavity followed by the connecting
wire, then solder the wire to the new microdot connector.
For right angle single and dual sensors, the wire should be soldered in perpendicular
to the connector as shown in
. This will help reduce the height of the solder
joint. To insert the connector into the sensor head, the wire will need to be
straightened.
Figure 13 Right angle single and dual sensor wire positioning
7
Add the wire insulation over the wire. The insulation does not need to cover the
connector pin or solder joint. Trim any excess insulation, leaving some wire exposed.
8
Thread the now wired connector onto the sensor body. Torque the connector to
1.7 N•m (240 oz•in).
9
Install the ceramic retainer assembly into the cavity pushing the wire through the hole
in the center of the retainer.
10
Install the 0-80 plate and 0-80 screws to secure the ceramic retainer assembly.
11
Create a solder joint, joining the wire to the retainer, that is no taller than 0.11 cm
(0.045 in.). Trim any excess wire.
12
Perform continuity test once more.
13
Install the holder spring and crystal holder assembly to complete the repair.
