SGD-3T Gas Meter is equipped with a temperature compensator providing for correction of the register readings according to the gas temperature within -40 °C … +35 °C. In comparison with the basic relative error, the complementary error of SGD-3T Gas Meter resulting from abnormal gas temperature (normal gas temperature = 20±3°C) shall not exceed ±0.1% @ 1°C temperature change and 0.45% for temperatures >+35°C.
Specifications
Parameter name |
Main characteristics |
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G4 |
G6 |
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SGD-3Т-1-1-G4 SGD-3Т-1-2-G4 SGD-3Т-1I-1-G4 SGD-3Т-1I-2-G4 SGD-3Т-1R-1-G4 SGD-3Т-1R-2-G4 |
SGD-3Т-2-1-G4 SGD-3Т-2-2-G4 SGD-3Т-2I-1-G4 SGD-3Т-2I-2-G4 SGD-3Т-2R-1-G4 SGD-3Т-2R-2-G4 |
SGD-3Т-1-1-G6 SGD-3Т-1-2-G6 SGD-3Т-1I-1-G6 SGD-3Т-1I-2-G6 SGD-3Т-1R-1-G6 SGD-3Т-1R-2-G6 |
SGD-3Т-2-1-G6 SGD-3Т-2-2-G6 SGD-3Т-2I-1-G6 SGD-3Т-2I-2-G6 SGD-3Т-2R-1-G6 SGD-3Т-2R-2-G6 |
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Rated flow rate (Qrated), m3/h |
4 |
6 |
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Min flow rate (Qmin), m3/h |
0.04 |
0.06 |
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Max flow rate (Qmax), m3/h |
6 |
10 |
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Pressure loss tolerance at DPQmax, Pa, max |
200 |
250 |
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Relative error under normal conditions (20±3°С) for the flow rate: Qmin … 0.1 Qrated, %, max >0.1 Qrated … Qmax, %, max |
±3
±1.5 |
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Sensitivity threshold, m3/h, max |
0.002 Qrated |
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Max operating pressure, kPa |
60 |
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Basic temperature,°С |
20 |
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Operating temperature,° С |
– 40 … + 50 |
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Pulse output parameters: ** voltage, V, max current, mA, max pulse value, m3/pulse |
12 10 0.01 |
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Overall dimensions (LxWxH), mm, max |
265 x 185 x 250 |
310 x 185 x 245 |
265 x 185 x 250 |
310 x 185 x 245 |
|
Pipe spacing, mm |
200 ± 0.5 |
250 ± 0.5 |
200 ± 0.5 |
250 ± 0.5 |
|
Weight, kg, max |
3.8 |
4.3 |
3.8 |
4.3 |
|
Pipe thread as per GOST 6357-81 Standard, in |
G11/4 |
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Service life, year |
20 |
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Calibration period, year |
10 |
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Warranty service life, month |
24 |
* for SGD-3Т-1I / SGD-3Т-2I gas meters
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