Michell Instruments XZR250, Руководство пользователя

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XZR250 User’s Manual
32
97528
Issue 5, May 2019
REPLACING PARTS
!
CAUTION: The sensor head (1) is a tight fit to the probe body
(4): do NOT use tooling of any kind to drive it home. NEVER
strike the housing, this may cause irreparable damage.
3. With the cable gland at the base of the sensor head (1) facing downwards, tighten
clamp (2) to secure the sensor head (1) in place. Torque to 5Nm.
4. If required, reconnect the wiring and re-fit the front panel: refer to section 2.2
Electrical Connections.
9.3 Replacing the Zirconia Sensor block
!
WARNING: BEFORE performing any type of maintenance on the
equipment read the safety instructions.
Sensing module replacement may be necessary if the sensor is no longer responding
correctly to the target gas or has reached its end of life.
NOTE:
Replacement sensing modules can be obtained by contacting the manufacturer. The old
sensing module can be returned to the manufacturer for recycling.
Refer to Figure 13: component numbers given in parenthesis.
!
CAUTION: Take care when disassembling to avoid accidental
damage to the electrical connector within the sensor head (1).
1. Remove the sensor head (1) as described in Section 9.1 and transfer to a clean
bench.
2. Gently pull the sensing module (6) to ease it out from the sensor head (1).
!
CAUTION: Do NOT twist the module as this will damage the
connector within the sensor head.
3. Either discard the zirconia sensing module (6) or return to Michell for a credit
(subject to condition): refer to section 9.5 Disposal.