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About Us


Company Profile

Protrol are a privately owned and Independant Laboratory and facility specialising in the Calibration, Sales, Hire and Repair of Instrumentation and associated Equipment.



Located in Falkirk (Central, Scotland) we are ideally situated to service all areas and regions throughout Scotland, with 1st class Road, Rail, Train and Air links for collection and delivery of all Calibration, Sales and Hire equipment within the U.K, andWorldwide.


Quality System & Accreditation

Protrol(Est 1987) are members of BSi Standards and Protrol Quality System is fully certified to BS EN ISO 9001:2015 by UKAS and ANAB

accredited certification body ISOQAR , and to further demonstrate our commitment to quality and traceability Protrol operate a Calibration and Standards Laboratory in full compliance with the requirements of BS EN ISO 10012:2003 and the general requirements of BS EN ISO 17025:2017 along with National and International Standards and procedures where required.


All calibration equipment used by Protrol are calibrated by UKAS accredited Laboratories to ensure full traceability.


Company Policy

To offer our experience and the facilities of our Calibration and Standards Laboratory to our clients with competitive and efficient Calibration, Sales and Equipment Hire directly traceable to National Standards for Instrumentation and associated Equipment as detailed on our web site.



Protrol clients include : BP Oil Grangemouth, BP Chemicals, Ineos, Rolls Royce Marine Power, Avecia, Syngenta, Fuji, Fijifilm,National Grid, Transco, ESSO, Texaco, Exxon Chemicals, Amec, Doosan Babcock, James Scott, Foster Wheeler, Stone and Webster, Pritchard Corporation, Edinburgh University, Glasgow Western Infirmary, Royal Alexandria Hospital, Royal Botanic Gardens, Scottish Hydro Electric, Scottish Power, ST Terminals, Falcon Foodservices. Aeroscot, Scot Airways, Caledonian Airborne, Hewden Hire, etc


Head of Laboratory

The head of the Calibration Laboratory is Mr Archie M Ralston who has gained a vast practical knowledge and experience from working in Calibration Laboratories for major clients and organisations throughout the world

Calibration Scope

Protrol offer a comprehensive range of calibration services fully UKAS traceable in the following catagories:-

Pressure, Vacuum, AirFlow, Temperature, Humidity, Dimensional, Torque, Mass, Force, Electrical and a full range of other services.


Please contact us with your detailed requirements :-

Instrument Types listed here are a typical sample of the types of instruments we calibrate:
16th Edition kits, Low resistance ohmeters, Cable fault & Location, Clampmeters, Combustion analysers, Current Injection Sets, Disturbance Analysers, Earth Testers, Flash Testers, Gas detectors, Insulation Testers, Lan analysers, Light Meters, Loop Testers,  Multimeters, PAT Testers, Phase Testers, Power Analysers, RCD Testers,Recorders, Sound level meters, Tachometers, Thermometers, Voltage probes, Oil test sets, Cable test sets, Live line testers, Loop Calibrators , Pressure calibrators, Pressure Gauges & Transmitters,  Differential Pressure Gauges & Transmitters, Torque Wrenches & AnalysersProcess Calibrators,Gas Detectors, Temperature Calibrators, Anemometers, Hygrometers,Hydrometers, Moisture Meters, High voltage detectors, Phase Comparators, Scopemeters, High Voltage Insulation Testers, Socket testers,Micrometers ( inside,outside,and depth ), Height micrometers and risers, Vernier calipers, Engineers Rules, Straight edge, Levels, Squares, Dial test indicators, Plug gauges, Gap gauges, Gauge blocks, Dipping Tapes, Vernier & Digital Calipers, Vee Blocks, Precision Square, Box Cube, Sine Plates, Length Bars, Dial Gauges, Protractors, Weight Sets, Scales, Balances,  Data loggers, Power Analysers, Ratiometers, Clamp Adapters, Wattmeters, Oscilloscopes, Power Supply's, Machinery tester, Fieldmeters, Temperature probes, Dewpoint Meters, Microwave leak detector, Capacitance meters, Harmonics analysers


If you do not see your instrument listed here or to obtain further information on any of our services or facilities please do not hesitate to contact us at any of the numbers listed above

Privacy Statement (Effective Date: 25th May, 2018)
You can view our Privacy Statement HERE

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