OIML Recommendations

Ruler
OIML Recommendation Current
R 7

Clinical thermometers, mercury-in-glass with maximum device

OIML Recommendation Current

Polarimetric saccharimeters graduated in accordance with the ICUMSA International Sugar Scale

OIML Recommendation Current

Instruments for measuring the hectolitre mass of cereals

OIML Recommendation Current

Visual disappearing filament pyrometers

OIML Recommendation Current

Taximeters

OIML Recommendation Current

International alcoholometric tables

OIML Recommendation Current

Tyre pressure gauges for motor vehicles

OIML Recommendation Current

Standard one metre bar for verification officers

OIML Recommendation Current

Medical syringes

OIML Recommendation Current

Accuracy classes of measuring instruments

TC3
OIML Recommendation Current

Material measures of length for general use

TC7
OIML Recommendation Current

Standard graduated pipettes for verification officers

TC8
OIML Recommendation Current

Standard burettes for verification officers

TC8
OIML Recommendation Current

Metal stamps for verification officers

TC3
OIML Recommendation Current

Standard graduated glass flasks for verification officers

TC8
OIML Recommendation Current

Alcoholometers and alcohol hydrometers and thermometers for use in alcoholometry

OIML Recommendation Current
R 46 High Priority

Active electrical energy meters

OIML Recommendation Current

Standard weights for testing of high capacity weighing machines

OIML Recommendation Current

Tungsten ribbon lamps for the calibration of radiation thermometers

OIML Recommendation Current
R 49 High Priority

Water meters for cold potable water and hot water

OIML Recommendation Current

Continuous totalizing automatic weighing instruments (belt weighers)

OIML Recommendation Current
R 51 High Priority

Automatic catchweighing instruments

OIML Recommendation Current

Hexagonal weights - Metrological and technical requirements

OIML Recommendation Current

Metrological characteristics of elastic sensing elements used for measurement of pressure. Determination methods

OIML Recommendation Current

pH scale for aqueous solutions

OIML Recommendation Current

Speedometers, mechanical odometers and chronotachographs for motor vehicles. Metrological regulations

OIML Recommendation Current

Standard solutions reproducing the conductivity of electrolytes

OIML Recommendation Current

Sound level meters

OIML Recommendation Current

Moisture meters for cereal grains and oilseeds

OIML Recommendation Current
R 60 High Priority

Metrological regulation for load cells

TC9
OIML Recommendation Current

Automatic gravimetric filling instruments

OIML Recommendation Current

Force measuring system of uniaxial material testing machines

OIML Recommendation Current

Length measuring instruments

OIML Recommendation Current

Calibration method for conductivity cells

OIML Recommendation Current

Glass capillary viscometers for the measurement of kinematic viscosity. Verification method

OIML Recommendation Current

Fixed storage tanks. General requirements

OIML Recommendation Current

Heat meters

OIML Recommendation Current
R 76 High Priority

Non-automatic weighing instruments

OIML Recommendation Current

Westergren tubes for measurement of erythrocyte sedimentation rate

OIML Recommendation Current

Labeling requirements for prepackages

TC6
OIML Recommendation Current

Road and rail tankers with level gauging

OIML Recommendation Current

Dynamic measuring devices and systems for cryogenic liquids

OIML Recommendation Current

Gas chromatographic systems for measuring the pollution from pesticides and other toxic substances

OIML Recommendation Current

Gas chromatograph/mass spectrometer systems for the analysis of organic pollutants in water

OIML Recommendation Current

Platinum, copper, and nickel resistance thermometers (for industrial and commercial use)

OIML Recommendation Current

Automatic level gauges for measuring the level of liquid in stationary storage tanks

OIML Recommendation Current

Quantity of product in prepackages

TC6
OIML Recommendation Current

Integrating-averaging sound level meters

OIML Recommendation Current

Electroencephalographs - Metrological characteristics - Methods and equipment for verification

OIML Recommendation Current

Electrocardiographs - Metrological characteristics - Methods and equipment for verification

OIML Recommendation Current
R 91 High Priority

Traffic speed meters

OIML Recommendation Current

Wood-moisture meters - Verification methods and equipment: general provisions

OIML Recommendation Current

Focimeters

OIML Recommendation Current

Ships' tanks - General requirements

OIML Recommendation Current

Barometers

OIML Recommendation Current

High-precision line measures of length

OIML Recommendation Current

Instruments for measuring vehicle exhaust emissions

OIML Recommendation Current

Atomic absorption spectrometer systems for measuring metal pollutants

OIML Recommendation Current

Indicating and recording pressure gauges, vacuum gauges and pressure-vacuum gauges with elastic sensing elements (ordinary instruments)

OIML Recommendation Current

Sound calibrators

OIML Recommendation Current

Measuring instrumentation for human response to vibration

OIML Recommendation Current

Pure-tone audiometers

OIML Recommendation Current

Automatic rail-weighbridges

OIML Recommendation Current

Discontinuous totalizing automatic weighing instruments (totalizing hopper weighers)

OIML Recommendation Current

Refractometers for the measurement of the sugar content of fruit juices

OIML Recommendation Current

Pressure gauges and vacuum gauges with elastic sensing elements (standard instruments)

OIML Recommendation Current

Pressure balances

OIML Recommendation Current

Weights of classes E1, E2, F1, F2, M1, M1-2, M2, M2-3 and M3

OIML Recommendation Current

High performance liquid chromatographs for measurement of pesticides and other toxic substances

OIML Recommendation Current

Portable gas chromatographs for field measurements of hazardous chemical pollutants

OIML Recommendation Current

Clinical electrical thermometers for continuous measurement

OIML Recommendation Current

Clinical electrical thermometers with maximum device

OIML Recommendation Current

Inductively coupled plasma atomic emission spectrometers for the measurement of metal pollutants in water

OIML Recommendation Current
R 117 High Priority

Dynamic measuring systems for liquids other than water

OIML Recommendation Current

Standard capacity measures for testing measuring systems for liquids other than water

TC8
OIML Recommendation Current

Equipment for speech audiometry

OIML Recommendation Current

Portable and transportable X-ray fluorescence spectrometers for field measurement of hazardous elemental pollutants

OIML Recommendation Current

Refractometers for the measurement of the sugar content of grape musts

OIML Recommendation Current

Measuring systems for the mass of liquids in tanks

OIML Recommendation Current

Evidential breath analysers

OIML Recommendation Current

Radiochromic film dosimetry system for ionizing radiation processing of materials and products

OIML Recommendation Current

Ergometers for foot crank work

OIML Recommendation Current

Multi-dimensional measuring instruments

OIML Recommendation Current

Octave-band and one-third-octave-band filters

OIML Recommendation Current

Polymethylmethacrylate (PMMA) dosimetry systems for ionizing radiation processing of materials and products

OIML Recommendation Current

Alanine EPR dosimetry systems for ionizing radiation processing of materials and products

OIML Recommendation Current

Liquid-in-glass thermometers

OIML Recommendation Current

Automatic instruments for weighing road vehicles in motion and measuring axle loads

OIML Recommendation Current

Spectrophotometers for medical laboratories

OIML Recommendation Current

Instruments for measuring the areas of leathers

OIML Recommendation Current
R 137 High Priority

Gas meters

OIML Recommendation Current

Vessels for commercial transactions

TC8
OIML Recommendation Current
R 139 High Priority

Compressed gaseous fuel measuring systems for vehicles

OIML Recommendation Current

Measuring systems for gaseous fuel

OIML Recommendation Current

Procedure for calibration and verification of the main characteristics of thermographic instruments

OIML Recommendation Current

Automated refractometers: Methods and means of verification

OIML Recommendation Current

Instruments for the continuous measurement of SO2 in stationary source emissions

OIML Recommendation Current

Instruments for the continuous measurement of CO and NOx in stationary source emissions

OIML Recommendation Current

Ophthalmic instruments - Impression and applanation tonometers

OIML Recommendation Current

Protein measuring instruments for cereal grains and oilseeds

OIML Recommendation Current

Standard blackbody radiators for the temperature range from -50 °C to 2500 °C

OIML Recommendation Current

Non-invasive non-automated sphygmomanometers

OIML Recommendation Current

Non-invasive automated sphygmomanometers

OIML Recommendation Current

Continuous totalizing automatic weighing instruments of the arched chute type