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ITI Gauge

Manufacturers of Pressure Gauges, Thermometers and Chemical Seals since 1867

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Instruments to Industry Ltd. have been manufacturing and repairing instrumentation for over 130 years. Over this long history ITI has gained an enviable reputation for quality and service.
The original business dates back to 1867 and was founded to service the thriving marine industry in Liverpool, concentrating on Pressure Gauges, Exhaust Pyrometers, Tank Contents Gauges, Depth Gauges, Ships Telegraphs and Compasses.
Today ITI's core business is now centred on the following major product areas:
  • Pressure Gauges
  • Thermocouples & RTD's
  • Diaphragm Seals (Chemical & Hygienic)
  • Flow Measurement
  • Temperature Indicators
  • Level Measurement
  • General Process Instrumentation
  • Pressure Transmitters & Switches


In addition to ITI's comprehensive manufacturing and service facilities in the UK, ITI have manufacturing partners in Germany, The Netherlands, India and China.
ITI's special instrument fabrication department has been commissioned by several television production companies to manufacture one off props and instrument panels. Where The Heart Is, Merseybeat, The Royal and more recently Shameless - see below:


ITI's commercial strength and technical expertise has been enhanced over the years through the acquisition of companies operating in the same field.

Murray (Scientific Instruments) - Liverpool
J Rimmer & Co - Liverpool
V W & E Smith Instruments - Manchester
Hi Spec Instruments - North Wales
Acorn Instruments - Liverpool
Instruments Supply & Services - Liverpool
John Morrison Instruments - Liverpool
Recal Instrument Services - Wigan

All now fully integrated within ITI


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In 2009 ITI became part of The Precision 21 Group of Companies, a North West UK based specialist engineering group. 


The award winning ITI is now the first choice for instrumentation in industries as diverse as Food, Brewing, Paper Manufacture, Chemical, Dairy, Pharmaceutical, Oil & Gas and Power Generation.

ITI's services include:

  • Manufacture
  • Supply
  • Repair
  • Calibration
  • Hire
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  • On-site Service
  • Installation
  • Commissioning
  • Consultancy



ITI work under the auspices of the British Standards Institution - It's Quality Management System, BS EN ISO 9001:2000 Certificate No. FM12056, is audited by BSI Management Systems.

Our scope of registration was expanded a few years ago to include our on-site repair & recalibration service.

Please look at our Certificate below.



ITI's Conditions Of Sale, which apply to all orders may be viewed HERE.

In addition, our usual trading currency is UK Pounds, but we also operate in US Dollars and Euros.

For UK customers we accept credit card payments - VISA / Mastercard