OIML Legal Metrology Standards Tests

OIML is an “international standard-setting body” in the sense of the World Trade Organization's Agreement on Technical Barriers to Trade.
EUROLAB Laboratory provides accredited testing and analysis services within the scope of OIML standards. OIML's mission is to enable economies to implement effective, mutually compatible and internationally recognized legal metrology infrastructures in all areas for which governments take responsibility, such as those that facilitate trade, establish mutual trust, and harmonize the consumer level.

What is legal metrology
Legal metrology is the application of legal requirements to measurements and measuring instruments. Often, small errors in both directions are averaged over a large number of measurements. However, biased errors can create significant financial bias and have serious economic consequences for the end consumer.

We carry out testing and evaluation activities with the following methods within the scope of OIML standards.

OIML R 7 Clinical thermometers, mercury-in-glass with maximum device
Polarimetric saccharimeters rated in accordance with OIML R 14 ICUMSA International Sugar Scale
OIML R 15 Instruments for measuring the hectoliter mass of grains
OIML R 18 Visual disappearing filament pyrometers
OIML R 21 taximeters
OIML R 22 International alcoholometric tables
OIML R 23 Tire pressure gauges for motor vehicles
OIML R 24 Standard one meter stick for validators
OIML R 26 Medical syringes
OIML R 34 Accuracy classes of measuring devices
OIML R 35 Material length dimensions for general use
OIML R 40 Standard grade pipettes for validators
OIML R 41 Standard burettes for validators
OIML R 42 Metal stamps for verification officers
OIML R 43 Standard grade glass bottles for validators
OIML R 44 Alcoholometers and alcohol hydrometers and thermometers for use in alcoholometry
OIML R 46 Active electric energy meters
OIML R 47 Standard weights for testing high-capacity weighing machines
OIML R 48 Tungsten strip lamps for calibration of radiation thermometers
OIML R 49 Water meters for cold drinking water and hot water
OIML R 50 Continuous collection automatic weighing instruments (belt scales)
OIML R 51 Automatic catch weighing instruments
OIML R 52 Hexagonal weights - Metrological and technical requirements
OIML R 53 Metrological properties of elastic sensing elements used in pressure measurement. determination methods
OIML R 54 pH scale for aqueous solutions
OIML R 55 Speedometers, mechanical odometers and chronotachographs for motor vehicles. Metrological regulations
OIML R 56 Standard solutions that reproduce the conductivity of electrolytes
OIML R 58 Sound level meters
OIML R 59 Moisture meters for cereal grains and oilseeds
OIML R 60 Metrological arrangement for load cells
OIML R 61 Automatic gravimetric filling tools
OIML R 65 Force measurement system of uniaxial materials testing machines
OIML R 66 Length measuring instruments
Calibration method for OIML R 68 conductivity cells
OIML R 69 Glass capillary viscometers for kinematic viscosity measurement. Verification method
OIML R 71 Fixed storage tanks. General Requirements
OIML R 75 Heat meters
OIML R 76 Non-automatic weighing instruments
OIML R 78 Westergren tubes for measurement of erythrocyte sedimentation rate
OIML R 79 Labeling requirements for prepackages
OIML R 80 Road and rail tankers with level measurement
OIML R 81 Dynamic measuring instruments and systems for cryogenic liquids
OIML R 82 Gas chromatographic systems for measuring pollution from pesticides and other toxic substances
OIML R 83 Gas chromatograph/mass spectrometry systems for the analysis of organic pollutants in water
OIML R 84 Platinum, copper and nickel resistance thermometers (for industrial and commercial use)
OIML R 85 Automatic level indicators for measuring the liquid level in fixed storage tanks
OIML R 87 Amount of product in prepackages
OIML R 88 Integrated-average sound level meters
OIML R 89 Electroencephalographs - Metrological characteristics - Methods and equipment for verification
OIML R 90 Electrocardiographs - Metrological properties - Methods and equipment for verification
OIML R 91 Radar equipment for speed measurement of vehicles
OIML R 92 Wood moisture meters - Verification methods and equipment: general provisions
OIML R 93 focus meters
OIML R 95 Ship tanks - General requirements
OIML R 97 barometers
OIML R 98 High precision line length measures
OIML R 99 Instruments for measuring vehicle exhaust emissions
OIML R 100 Atomic absorption spectrometry systems for measuring metal contaminants
OIML R 101 Display and recording of pressure gauges, vacuum gauges and pressure-vacuum gauges with elastic sensing elements (ordinary instruments)
OIML R 102 Sound calibrators (including Appendix A)
OIML R 103 Measuring devices for human response to vibration
OIML R 104 Pure-tone audiometers (including Annexes A to E)
OIML R 106 Automatic rail scales
OIML R 107 Discontinuous collection automatic weighing instruments (total hopper scales)
OIML R 108 Refractometers for measuring the sugar content of fruit juices
OIML R 109 Pressure gauges and vacuum gauges with elastic sensing elements (standard instruments)
OIML R 110 Pressure balances
OIML R 111 Weights of classes E1, E2, F1, F2, M1, M1-2, M2, M2-3 and M3
OIML R 112 High performance liquid chromatographs for the measurement of pesticides and other toxic substances
OIML R 113 Portable gas chromatographs for field measurements of hazardous chemical pollutants
OIML R 114 Clinical electric thermometers for continuous measurement
OIML R 115 Clinical electric thermometers with maximum device
OIML R 116 Inductively coupled plasma atomic emission spectrometers for the measurement of metal contaminants in water
OIML R 117 Dynamic measuring systems for liquids other than water
OIML R 120 Standard capacity measures for testing measuring systems for liquids other than water
OIML R 122 Equipment for speech audiometry
OIML R 123 Portable and portable X-ray fluorescent spectrometers for field measurement of hazardous elemental pollutants
OIML R 124 Refractometers for measuring the sugar content of grape must
OIML R 125 Measuring systems for liquid mass in tanks
OIML R 126 Evidential breath analyzers
OIML R 127 Radiochromic film dosimetry system for the treatment of materials and products with ionizing radiation
OIML R 128 Ergometers for foot crank operation
OIML R 129 Multidimensional measuring instruments
OIML R 130 Octave band and one-third octave band filters
OIML R 131 Polymethylmethacrylate (PMMA) dosimetry systems for the treatment of materials and products with ionizing radiation
OIML R 132 Alanine EPR dosimetry systems for the treatment of materials and products with ionizing radiation
OIML R 133 Liquid thermometers in glass
OIML R 134 Automatic instruments for weighing and measuring axle loads of road vehicles in motion
OIML R 135 Spectrophotometers for medical laboratories
OIML R 136 Instruments for measuring areas of skin
OIML R 137 Gas meters
OIML R 138 Ships for commercial operations
OIML R 139 Compressed gas fuel metering systems for vehicles
OIML R 140 Measuring systems for gaseous fuel
OIML R 141 Procedure for calibration and verification of essential characteristics of thermographic instruments
OIML R 142 Automatic refractometers: Verification methods and tools
OIML R 143 Devices for the continuous measurement of SO2 at stationary source emissions
OIML R 144 Devices for continuous measurement of CO and NOx in stationary source emissions
OIML R 145 Ophthalmic instruments - Impression and applanation tonometers
OIML R 146 Protein measuring devices for cereal grains and oilseeds
OIML R 147 Standard blackbody radiators for the temperature range -50 °C to 2500 °C
OIML R 148 Non-invasive, non-automatic sphygmomanometers
OIML R 149 Non-invasive automatic sphygmomanometer
OIML R 150 Arched trough type continuous collector automatic weighing instruments