A pressure and temperature instrument preventive maintenance schedule lists the checks and jobs done on the equipment at fixed intervals, how long each takes, and in what order of frequency, so problems are found before the pressure and temperature instrument fails. This page gives the schedule used in the PlantOps360 task library for pressure and temperature instrument (per instrument: gauge, transmitter, thermocouple, rtd), which follows common industry practice for general-purpose equipment. It is also searched for as pressure gauge, pressure transmitter, temperature transmitter, thermocouple.
The maker’s manual and your site safety procedures always come first where they differ. Intervals set by law differ by state.
Pressure and temperature instrument preventive maintenance schedule and checklist
| How often | Task | Estimated time |
|---|---|---|
| Weekly | Walk the plant; check gauges and transmitters for damage and obviously wrong readings | 2 min |
| Monthly | Compare the transmitter output with the local gauge and the control system reading | 5 min |
| Quarterly | Check impulse lines, manifolds and thermowells for leaks, blockage and corrosion | 10 min |
| Half-yearly | Zero and span check of critical transmitters; verify thermocouple wiring | 15 min |
| Annual | Calibrate against a traceable standard; update the calibration record | 45 min |
Pressure and temperature instrument maintenance frequency and yearly workload
At the estimated times, one pressure and temperature instrument needs about 5 hours of preventive maintenance a year. The biggest single job is “Calibrate against a traceable standard; update the calibration record” at 45 minutes, done annual. Multiply by the number of units you have to see the workload for your plant.
| Frequency | Tasks | Time per round | Hours per year |
|---|---|---|---|
| Weekly | 1 | 2 min | 1.7 h |
| Monthly | 1 | 5 min | 1.0 h |
| Quarterly | 1 | 10 min | 0.7 h |
| Half-yearly | 1 | 15 min | 0.5 h |
| Annual | 1 | 45 min | 0.8 h |
What goes wrong on a pressure and temperature instrument without preventive maintenance
- Zero and span drift
- Blocked impulse lines
- Damaged thermowells and sensor elements
- Loose or corroded connections
What to watch between services
- Reading against a local gauge
- Impulse line and manifold condition
- Calibration due date
Safety and statutory notes for pressure and temperature instrument maintenance
Isolate and depressurise before removing an instrument from a live line, and use the correct process isolation and PPE.
Where a pressure and temperature instrument preventive maintenance schedule is used
A pressure and temperature instrument is found in almost every industry. The industry guides below show how it fits into the wider schedule of each one:
- Preventive maintenance schedule for pharmaceutical plants
- Preventive maintenance schedule for food, dairy and beverage plants
- Preventive maintenance schedule for automotive plants
- Preventive maintenance schedule for chemical, fertiliser and petrochemical plants
- Preventive maintenance schedule for cement, glass, ceramics and building materials plants
- Preventive maintenance schedule for steel, foundry, forging and metal plants
- Preventive maintenance schedule for textile and garment mills
- Preventive maintenance schedule for thermal and hydro power plants
See all industry preventive maintenance schedules.
Related equipment maintenance schedules
- Flow meter or level instrument preventive maintenance schedule
- Online process analyser preventive maintenance schedule
- Weighbridge, platform scale preventive maintenance schedule
- PLC, DCS, SCADA preventive maintenance schedule
- Online condition monitoring preventive maintenance schedule
- Laboratory balance preventive maintenance schedule
- Laboratory fume hood preventive maintenance schedule
- Materials testing machine preventive maintenance schedule
Browse the full list of equipment preventive maintenance schedules (317 types).
Run this pressure and temperature instrument schedule in maintenance software
In preventive maintenance software, each row above becomes a recurring task on the asset with its checklist, time estimate and parts. Tasks can be triggered by calendar date, running hours, meter readings or production cycles, each completed task is recorded with the person and date, and a failed check can open a work order. For the method behind it, read the guide to the preventive maintenance schedule, or use the free generator to get a 12-month plan for your whole equipment list.
Build my preventive maintenance schedule (free Excel)
Frequently asked questions
How often should a pressure and temperature instrument be serviced?
In our schedule a pressure and temperature instrument has 5 tasks: 1 weekly, 1 monthly, 1 quarterly, 1 half-yearly, 1 annual. The biggest job is “Calibrate against a traceable standard; update the calibration record”, which is done annual. Always follow the maker’s manual where it gives a different interval.
What is included in pressure and temperature instrument preventive maintenance?
It covers routine checks and jobs such as “Walk the plant; check gauges and transmitters for damage and obviously wrong readings”, “Compare the transmitter output with the local gauge and the control system reading”, “Check impulse lines, manifolds and thermowells for leaks, blockage and corrosion”, up to the annual overhaul or inspection. The full list with times is in the table above.
How many hours of maintenance does a pressure and temperature instrument need per year?
About 5 hours per unit per year at the estimated times in our library, including all scheduled rounds. Use it to plan workload, not as a benchmark.
Is there a free pressure and temperature instrument maintenance checklist?
Yes. The table on this page is a ready checklist. The free preventive maintenance schedule generator turns it into a 12-month Excel schedule for your list of equipment, with monthly workload hours.