|
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
|
