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Serie ĐỒNG HỒ LƯU LƯỢNG GAS.
The residential gas-meter UG are designed acc. to the European Norm EN1359 to measure the consumption of gas in households and at other consumer, where the maximum consumption of all gas appliance does not exceed 2,5 m³/h in case of gas meter UG G1.6, 4m³/h in case of gas meter UG G2.5 and 6m³/h in case of gas meter UG G4, of the air of density 1.2 kg/m³. They are suitable to measure the consumption of natural gas, synthetic gases and their mixtures. The can be equipped with low frequency pulse transmitter type NI-3.
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UG G1.6 |
UG G2.5 |
UG G4 |
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Nominal flow rate Qn |
1,6 m³/h |
2,5 m³/h |
4 m³/h |
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Minimal flow rate Qm in |
0,016 m³/h |
0,025 m³/h |
0,04 m³/h |
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Optional |
|
0,016 m³/h |
0,016 m³/h |
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|
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|
0,025 m³/h |
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Maximun flow rate Qmax |
2,5 m³/h |
4 m³/h |
6 m³/h |
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Cyclic volume – V |
1,2 dm³ |
1,2 dm³ |
1,2 dm³ |
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Allowable indication errors limit during EEC initial verification: |
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** Ø Qmin to 0,1Qmax – E |
± 3% |
± 3% |
± 3% |
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** Ø 0,1max to Qmax – E |
± 1,5% |
± 1,5% |
± 1,5% |
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Maximun working pressure Pmax |
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|
50 kPa (0,5 bar) |
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UG AL – |
200 kPa (2 bar) |
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Max. Pressure drop ∆ at – Qmax |
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≤ 200 Pa (2 mbar) |
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Index measuring range |
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99999,999 m³ |
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Pulse value |
0,01 m³ |
0,01 m³ |
0,01 m³ |