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10 Faults
10.1 Safety
Defective or faulty pressure gauges put the operational safety and process safety of the plant at risk, and can lead to a
risk or injury to persons, the environment or the plant.
10.2 Conduct in the event of faults
All defective of faulty devices must be taken out of service. If a repair is required, the device must be sent directly to
our Repairs Department. We request that all returns of devices are agreed with our Service Department.
10.3 Fault table
Possible situations indicating a fault:
Jerky or random movement of the pointer
Pointer does not set to zero for pressure less display
Bent or loose pointer
Cracked window
Leaks when the device is filled
Damage to housing
Indications that the measurement system seal is imperfect (discoloration to dial display or of filling liquid)
In these instances, replacement of the pressure gauge is always required.
10.4 Conduct following fault rectification
See Chapter 8.3Mounting/Installation
11 Removal, disposal
11.1 Safety
Residues of measuring media in and on removed gauges can constitute a risk to people, the environment
and equipment. Adequate precautionary measures must be adopted. If necessary, the devices must be
cleaned thoroughly (see advice in safety data sheets).
11.2 Removal
When undertaking servicing work on the device, the pressure lines must be depressurized, the electrical
connections isolated from the mains supply, and the plant secured against being switched on again.
Demount the gauge using a suitable tool
11.3 Disposal
Please help to protect the environment and dispose of or recycle the devices and components used in
accordance with the applicable regulations.
12 Appendix
12.1 Data sheet for Bourdon tube pressure gauge T5500/T6500
Detailed data sheet is available from supplier’s website (see 1.6 Manufacturer’s address, customer services)
This table refers to specific documents:
Stainless steel pressure gauge model T5500
Stainless steel pressure gauge Solid Front design model T6500
Stainless steel pressure gauge with inductive proximity switch
model T5500-KF
Stainless steel pressure gauge Solid Front design with inductive
proximity switch model T6500-KF
Electrical contact devices for pressure and temperature gauges
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