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Measuring Instrument
(1)
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Measuring Task
(2)
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Prescribed Use
(3)
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Water meters.
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For measurement of the volume at metering conditions of water passing through the measurement transducer.
For the supply of potable water in the temperature range from 0.1°C to and including 30°C.
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For the purpose of trade when used for residential, commercial and light industrial use.
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Gas meters and volume conversion devices.
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For measurement of a flowing quantity of fuel gas, with or without conversion of the quantity measured at metering conditions into a quantity at base conditions.
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For the purpose of trade when used for residential, commercial and light industrial use.
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Active electrical energy meters.
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For the measurement of active electrical energy consumed in a circuit.
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For the purpose of trade when used for residential, commercial and light industrial use.
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Measuring systems for the continuous and dynamic measurement of quantities of liquids other than water.
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For the continuous and dynamic measurement in volume or mass of quantities of liquids other than water with or without the quantity measured at metering conditions into a quantity at base conditions, in a closed circuit:
(a) fuel dispensers (for petrol, diesel and fuels or additives with similar physical characteristics);
(b) measuring systems on road tankers for liquids of low viscosity (<20 mPa.s);
(c) measuring systems for (un) loading road tankers;
(d) measuring systems for milk.
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Used for the purpose of trade.
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Automatic weighing instruments.
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For determining the mass of a product without the intervention of an operator and following a predetermined programme of automated processes characteristic of the instrument and in particular:
(a) Automatic catchweighing instruments that determine the mass of pre-assembled discrete loads (for example pre-packages) or single loads of loose material;
(b) Automatic checkweighing instruments that subdivide articles of different mass into 2 or more subgroups according to the value of the difference of their mass and a nominal set point;
(c) Automatic gravimetric filling instruments that fill containers with a predetermined and virtually constant mass of product from bulk;
(d) Discontinuous totalisers (Totalising hopper weigher) that determine the mass of a bulk product by dividing it into discrete loads. The mass of each discrete load is determined in sequence and summed and each discrete load is then delivered to bulk;
(e) Continuous totalisers that continuously determine the mass of a bulk product on a conveyor belt, without systematic subdivision of the product and without interrupting the movement of the conveyor belt;
(f) Rail-weighbridges that have a load receptor inclusive of rails for conveying railway vehicles;
(g) Weight labelling instruments that label individual articles with the weight value;
(h) Weight/price labelling instruments that label individual articles with weight and price.
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Used for the purpose of trade.
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Taximeters.
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For the calculation of distance and measurement of duration on the basis of signal delivered by a signal generator for determining fares for travel by taxi.
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Used for the purpose of trade.
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Material measures of length comprising scale marks whose distances are given in legal units of length.
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For the measurement of length.
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Used for the purpose of trade.
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Capacity serving measures (such as a drinking glass, jug or thimble measure).
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For the determination of a specified volume of a liquid (other than a pharmaceutical product) which is sold for immediate consumption.
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Used for the purpose of trade.
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Dimensional measuring instruments: length, area and multi-dimensional measuring instruments.
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(a) Length measuring instruments that serve for the determination of the length of rope type materials (e.g. textiles, bands, cables) during feed motion of the product to be measured;
(b) Area measuring instruments that serve for the determination of the area of irregular shaped objects (e.g. leather);
(c) Multi-dimensional measuring instruments that serve for the determination of the edge length (length, height, width) of the smallest enclosing rectangular parallelepiped of a product.
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Used for the purpose of trade.
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