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Commissioning · Free Template

Instrument Tubing Pressure Test Record Template

Record pressure tests of impulse lines and pneumatic tubing: test medium and pressure, hold time, start and end pressure, and the pressure drop against the allowed limit.

Excel (.xlsx)Printable PDFFilled exampleFree, no sign up

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  • How to Use sheet with steps
  • Template sheet, blank and ready
  • Example sheet, filled in
  • 124 built in formulas
  • A4 landscape print setup
  • Works in Excel, Google Sheets and LibreOffice

Preview of the Filled Example

This is the Example sheet from the download, so you can see exactly how the completed instrument tubing pressure test record looks.

Area / systemSYS 300
Test gauge and cert. noTest gauge 0 to 40 bar, CC 24804
Allowed drop (% of test pressure)2
Date25 Oct 2026

Test results

NoTag / lineFromToMediumTest pressure (bar g)Hold (min)Start (bar g)End (bar g)Drop (%)ResultRemarks
1PT 3101Root valveManifoldWater24.01524.0023.900.42PASS
2FV 3101IA take offPositionerAir7.0157.006.950.71PASS
3FT 3105Root valvesManifoldWater24.01524.0022.805.00FAILLeak at union, retighten and retest
Lines tested:3  ·  Lines failed:1
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About the Instrument Tubing Pressure Test Record

Leaking impulse lines cause wrong readings and leaking air tubing wastes air and slows valves. Pressure hold tests during construction catch poor fittings before start up.

How to fill in this template

  1. Enter the test gauge and allowed drop.
  2. Isolate instruments and pressurise the line to test pressure.
  3. Record start pressure, hold, then record end pressure.
  4. Locate and fix leaks on failed lines and retest.
  5. Sign the record per system.

What the formulas do

  • Drop (%) = (start − end) ÷ start × 100.
  • PASS if drop ≤ allowed drop.

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Frequently Asked Questions

What test pressure is used?

Per the project specification, often related to the line design pressure for impulse lines and the supply pressure for air tubing.

Does temperature affect the result?

Yes, gas pressure changes with temperature; avoid testing in changing sun.

Why remove transmitters?

Test pressure may exceed their overpressure limit.

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