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Categories of measuring instruments

load cell

 

The table below shows the measuring instrument categories that are included in the OIML-CS, along with the corresponding OIML Recommendations. It also shows the Scheme (A or B) for each measuring instrument category and the transition date from Scheme B to Scheme A.

Measuring Instrument Category
Recommendation Number
Scheme

A                                 B
Transition from Scheme B to Scheme A
Taximeters
R 21
X
Material measures of length
R 35
X

Active electrical energy meters
R 46
X
Water meters
R 49
X
Continuous totalizers
R 50
X
Automatic catchweighers
R 51
X
Sound level meters
R 58
X

Moisture meters for cereal grains and oilseeds
R 59
X

Load cells
R 60
X
Automatic gravimetric filling instruments
R 61
X
Heat meters
R 75
X
Non-automatic weighing instruments
R 76
X
Cryogenic liquids
R 81
X

Level gauges for stationary storage tanks
R 85
X
Integrating-averaging sound level meters
R 88
X

Focimeters
R 93
X
Vehicle exhaust emissions
R 99
X
Sound calibrators
R 102
X

Pure-tone audiometers
R 104
X

Automatic rail-weighbridges
R 106
X
Discontinuous totalizers
R 107
X
Pressure balances
R 110
X

Liquids other than water
R 117
X
Speech audiometry
R 122
X

Evidential breath analyzers
R 126
X
Ergometers for foot crank work
R 128

Multi-dimensional measuring instruments
R 129
X
Liquid-in-glass thermometers
R 133
X

Weighing road vehicles in motion
R 134
X
Areas of leather
R 136
X

Gas meters
R 137
X
Compressed gaseous fuel systems for vehicles
R 139
X
Continuous measurement of SO2 in stationary source emissions
R 143
X

Continuous measurement of CO, NOx in stationary source emissions
R 144
X

Ophthalmic instruments - Impression and applanation tonometers
R 145
X

Protein measuring instruments for cereal grains and oilseeds
R 146
X

Non-invasive non-automated sphygmomanometers
R 148
X
Non-invasive automated sphygmomanometers
R 149
X
Continuous totalizing automatic weighing instruments of the arched chute type
R 150
X
1 January 2023