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Maintenance/Service
Device
Date of work
___. ___. 20____
Gas connections, gas lines and flow meters have been checked with a methane
detector and are tight.
Housing parts (washer/flow meter) are undamaged and secure.
The openings in the breather elements are free of dirt and blockages.
Gas and electrical connections are undamaged and free of corrosion.
No corrosion inside the device, all cores are securely connected.
Pipelines and cables around the Q2 are undamaged and free of corrosion.
The ground connection is mechanically secure. There is a low resistance
connection to the ground, both between the equipotential bonding system on the
connection box (FE) and the external grounding connection (PA), see Figure 5.4
Unused connectors are sealed,
there are no unconnected wires in the connection box.
Service calibration completed Date:__________________
The cylinder pressure of the calibration gas mixture is higher than
0.5MPa ≙ 72.52psi ≙ 5bar. The pressure is: ______
The operational calibration gas cylinder was replaced***
The inlet pressures are in the valid range:
Process gas pressure: ______
The flow rates (flow meter display) are in the valid range.
The particle filter was replaced* or inspected
The sensor block was replaced**
The battery charge is above 20% and is:_________
The battery was replaced by Honeywell***
*
Must only be completed if blocked or for preventive reasons, for example after 3 years
**
Must only be completed if measuring errors occur, for example after 5 years
***
Must be completed after 10 years or if the battery charge/pressure is low
Information for general use
Rev. M / 73023639
MAINTENANCE, CLEANING AND REPAIR
Report number: ____________
Q2 Serial number: ______________ Q2 software: ______
Inspector/Company:
Calibration gas pressure: _____
247
Result
Yes/No
GasLab Q2
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