UA
ENG
Nominal Size
of Meters
Gas Volume Flow Rate, cubic meter/hour
Rated, Q nom
Maximum, Q max
Minimum, Q min
G1,6
G2,5
G4
1,6
2,5
4
2,5
4
6
0,016
0,025 (0,016)
0,040 (0,016)
2.2 Limit of permissible relative errors of the meters in the range of volume flow rate at the time of release from manufacturing and after repair for Modifications 1 and 2 are specified in Table 2.
Table 2
G1,6; G2,5; G4 (Modification 1)
G1,6-2; G2,5-2; G4-2 (Modification 2)
Q min ≤ Q < 2 Q min – ± 3%
2 Q min ≤ Q ≤ Q max – ± 2%
Q min ≤ Q < 0,1 Q max – ± 3%
0,1 Q max ≤ Q ≤ Q max - ± 1,5%
2.3 Limits of permissible relative errors of the meters in the range of volume flow rate at the time of operation for Modifications 1 and 2 are specified in Table 3.
Table 3
G1,6; G2,5; G4 (Modification 1)
G1,6-2; G2,5-2; G4-2 (Modification 2)
+3%
Q min ≤ Q < 2 Q min -
- 6%
2 Q min ≤ Q ≤ Q max – ± 3%
+3%
Q min ≤ Q < 0,1 Q max -
- 6%
0,1 Q max ≤ Q ≤ Q max - ± 3%
2.4 Average Pressure Loss at Volume Flow Rate Q max:
- At the time of release from manufacturing and after repair: not more than 200 Pa;
- At the time of operation: not more than 220 Pa.
2.5 Maximum Pressure Loss at Volume Flow Rate Q min: not more than 60 Pa.
2.6 Sensitivity Threshold of Meters: not more than 0.003 cubic meter/hour.
2.7 Maximum Excessive Operating Pressure of Gas: 25 kPa.
2.8 Deviation of Cyclical Volume of Meters from Rated Value Vc = 1.2 cubic decimeter must not exceed ± 5%.
2.9 Temperature Range of External and Measurement Environment, where meters will function: from minus 40°C to plus 50ºС.
2.10 Rated Operating Temperature of Measurement Environment (Tn), based on which the meter provides conversion of the measurement results of gas volume to the temperature of gas under standard conditions Tb = 20 ºС :
- Тn = 15 ºС for meters, which will be installed in heated locations;
- Тb = 0 ºС for meters, which will be installed outside of the heated locations.
2.11 Higher Relative Humidity of Ambient Environment: 98% at a temperature of 25ºС.
2.12 Capacity of Indicating Device: 99999.999 cubic meter.
2.13 Scale Interval of Least Significant Digit of Indicating Device: 0.2 cubic decimeter.
2.14 Nominal Inside Diameter of Fittings of Meters: DN 20.
2.15 Dimensions: not more than 190 mm x 164 mm x 220 mm.
2.16 Thread of Connection Fittings: G ¾ - В.
2.17 Center to center distance between Fittings: (110±0.5) mm.
2.18 Weight of meters: not more than 1.9 kg.
2.19 Parameters of the sensor, which can be installed on Modification I meters:
- Value of one pulse, which corresponds to measurement volume of gas: 0.01 cubic meter;
- Power Supply Voltage: 2.5-3.5 V;
- Current Consumption: not more than 20 mcA.
2.20 Operating position of meters: vertical, fittings facing up.
2.21 Full average service life of meters: not less than 20 years.
Nominal Size
of Meters
Gas Volume Flow Rate, cubic meter/hour
Rated, Q nom
Maximum, Q max
Minimum, Q min
G1,6
G2,5
G4
1,6
2,5
4
2,5
4
6
0,016
0,025 (0,016)
0,040 (0,016)
2.2 Limit of permissible relative errors of the meters in the range of volume flow rate at the time of release from manufacturing and after repair for Modifications 1 and 2 are specified in Table 2.
Table 2
G1,6; G2,5; G4 (Modification 1)
G1,6-2; G2,5-2; G4-2 (Modification 2)
Q min ≤ Q < 2 Q min – ± 3%
2 Q min ≤ Q ≤ Q max – ± 2%
Q min ≤ Q < 0,1 Q max – ± 3%
0,1 Q max ≤ Q ≤ Q max - ± 1,5%
2.2.3 Limits of permissible relative errors of the meters in the range of volume flow rate at the time of operation for Modifications 1 and 2 are specified in Table 3.
Table 3
G1,6; G2,5; G4 (Modification 1)
G1,6-2; G2,5-2; G4-2 (Modification 2)
+3%
Q min ≤ Q < 2 Q min -
- 6%
2 Q min ≤ Q ≤ Q max – ± 3%
+3%
Q min ≤ Q < 0,1 Q max -
- 6%
0,1 Q max ≤ Q ≤ Q max - ± 3%
2.4 Average Pressure Loss at Volume Flow Rate Q max:
- At the time of release from manufacturing and after repair: not more than 200 Pa;
- At the time of operation: not more than 220 Pa.
2.5 Maximum Pressure Loss at Volume Flow Rate Q min: not more than 60 Pa.
2.6 Sensitivity Threshold of Meters: not more than 0.003 cubic meter/hour.
2.7 Maximum Excessive Operating Pressure of Gas: 25 kPa.
2.8 Deviation of Cyclical Volume of Meters from Rated Value Vc = 1.2 cubic decimeter must not exceed ± 5%.
2.9 Temperature Range of External and Measurement Environment, where meters will function: from minus 40°C to plus 50ºС.
2.10 Rated Operating Temperature of Measurement Environment (Tn), based on which the meter provides conversion of the measurement results of gas volume to the temperature of gas under standard conditions Tb = 20 ºС :
- Тn = 15 ºС for meters, which will be installed in heated locations;
- Тb = 0 ºС for meters, which will be installed outside of the heated locations.
2.11 Higher Relative Humidity of Ambient Environment: 98% at a temperature of 25ºС.
2.12 Capacity of Indicating Device: 99999.999 cubic meter.
2.13 Scale Interval of Least Significant Digit of Indicating Device: 0.2 cubic decimeter.
2.14 Nominal Inside Diameter of Fittings of Meters: DN 20.
2.15 Dimensions: not more than 190 mm x 164 mm x 220 mm.
2.16 Thread of Connection Fittings: G ¾ - В.
2.17 Center to center distance between Fittings: (110±0.5) mm.
2.18 Weight of meters: not more than 1.9 kg.
2.19 Parameters of the sensor, which can be installed on Modification I meters:
- Value of one pulse, which corresponds to measurement volume of gas: 0.01 cubic meter;
- Power Supply Voltage: 2.5-3.5 V;
- Current Consumption: not more than 20 mcA.
2.20 Operating position of meters: vertical, fittings facing up.
2.21 Full average service life of meters: not less than 20 years.
Nominal Size
of Meters
Gas Volume Flow Rate, cubic meter/hour
Rated, Q nom
Maximum, Q max
Minimum, Q min
G1,6
G2,5
G4
1,6
2,5
4
2,5
4
6
0,016
0,025 (0,016)
0,040 (0,016)
2.2 Limit of permissible relative errors of the meters in the range of volume flow rate at the time of release from manufacturing and after repair for Modifications 1 and 2 are specified in Table 2.
Table 2
G1,6; G2,5; G4 (Modification 1)
G1,6-2; G2,5-2; G4-2 (Modification 2)
Q min ≤ Q < 2 Q min – ± 3%
2 Q min ≤ Q ≤ Q max – ± 2%
Q min ≤ Q < 0,1 Q max – ± 3%
0,1 Q max ≤ Q ≤ Q max - ± 1,5%
2.3 Limits of permissible relative errors of the meters in the range of volume flow rate at the time of operation for Modifications 1 and 2 are specified in Table 3.
Table 3
G1,6; G2,5; G4 (Modification 1)
G1,6-2; G2,5-2; G4-2 (Modification 2)
+3%
Q min ≤ Q < 2 Q min -
- 6%
2 Q min ≤ Q ≤ Q max – ± 3%
+3%
Q min ≤ Q < 0,1 Q max -
- 6%
0,1 Q max ≤ Q ≤ Q max - ± 3%
2.4 Average Pressure Loss at Volume Flow Rate Q max:
- At the time of release from manufacturing and after repair: not more than 200 Pa;
- At the time of operation: not more than 220 Pa.
2.5 Maximum Pressure Loss at Volume Flow Rate Q min: not more than 60 Pa.
2.6 Sensitivity Threshold of Meters: not more than 0.003 cubic meter/hour.
2.7 Maximum Excessive Operating Pressure of Gas: 25 kPa.
2.8 Deviation of Cyclical Volume of Meters from Rated Value Vc = 1.2 cubic decimeter must not exceed ± 5%.
2.9 Temperature Range of External and Measurement Environment, where meters will function: from minus 40°C to plus 50ºС.
2.10 Rated Operating Temperature of Measurement Environment (Tn), based on which the meter provides conversion of the measurement results of gas volume to the temperature of gas under standard conditions Tb = 20 ºС :
- Тn = 15 ºС for meters, which will be installed in heated locations;
- Тb = 0 ºС for meters, which will be installed outside of the heated locations.
2.11 Higher Relative Humidity of Ambient Environment: 98% at a temperature of 25ºС.
2.12 Capacity of Indicating Device: 99999.999 cubic meter.
2.13 Scale Interval of Least Significant Digit of Indicating Device: 0.2 cubic decimeter.
2.14 Nominal Inside Diameter of Fittings of Meters: DN 20.
2.15 Dimensions: not more than 190 mm x 164 mm x 220 mm.
2.16 Thread of Connection Fittings: G ¾ - В.
2.17 Center to center distance between Fittings: (110±0.5) mm.
2.18 Weight of meters: not more than 1.9 kg.
2.19 Parameters of the sensor, which can be installed on Modification I meters:
- Value of one pulse, which corresponds to measurement volume of gas: 0.01 cubic meter;
- Power Supply Voltage: 2.5-3.5 V;
- Current Consumption: not more than 20 mcA.
2.20 Operating position of meters: vertical, fittings facing up.
2.21 Full average service life of meters: not less than 20 years.
Nominal Size
of Meters
Gas Volume Flow Rate, cubic meter/hour
Rated, Q nom
Maximum, Q max
Minimum, Q min
G6
G4/G6
G4/G6-2Q;
G4/G6-2QL;
G4/G6-2Q-I;
G4/G6-2QL-I;
6
10
0,06
0,04
0,025
2.2 Limits of permissible relative errors of the meters in the range of volume flow rate at the time of release from manufacturing and after repair are specified in Table 2.
Table 2
G6-1, G4/G6-1 (Modification 1)
G6-2, G4/G6-2 (Modification 2)
Q min ≤ Q < 2 Q min – ± 3%
2 Q min ≤ Q ≤ Q max – ± 2%
Q min ≤ Q < 0,1 Q max – ± 3%
0,1 Q max ≤ Q ≤ Q max - ± 1,5%
2.3 Limits of permissible relative errors of the meters in the range of volume flow rate at the time of release from manufacturing and after repair are specified in Table 3.
Table 3
G6-1, G4/G6-1 (Modification 1)
G6-2, G4/G6-2 (Modification 2)
+3%
Q min ≤ Q < 2 Q min -
- 6%
2 Q min ≤ Q ≤ Q max – ± 3%
+3%
Q min ≤ Q < 0,1 Q max -
- 6%
0,1 Q max ≤ Q ≤ Q max - ± 3%
2.4 Average Pressure Loss At Volume Flow Rate Q max:
- At the time of release from manufacturing and after repair: not more than 200 Pa;
- At the time of operation: not more than 220 Pa.
2.5 Maximum Pressure Loss at Volume Flow Rate Q min: not more than 60 Pa.
2.6 Sensitivity Threshold of Meters: not more than 0.005 cubic meter/hour.
2.7 Maximum Excessive Operating Pressure of Gas: 25 kPa.
2.8 Deviation of Cyclical Volume of Meters from Rated Value Vc = 3.5 cubic decimeter must not exceed ± 5%.
2.9 Temperature Range of External and Measurement Environment, where meters will function: from minus 30°C to plus 50ºС.
2.10 Rated Operating Temperature of Measurement Environment (Tn), based on which the meter provides conversion of the measurement results of gas volume to the temperature of gas under standard conditions Tb = 20 ºС :
- Тn = 15 ºС for meters, which will be installed in heated locations;
- Тb = 0 ºС for meters, which will be installed outside of the heated locations.
2.11 Higher Relative Humidity of Ambient Environment: 98% at a temperature of 25ºС.
2.12 Capacity of Indicating Device: 99999.999 cubic meter.
2.13 Scale Interval of Least Significant Digit of Indicating Device: 0.2 cubic decimeter.
2.14 Nominal Inside Diameter of Fittings of Meters: DN 25.
2.15 Dimensions: not more than 332 mm x 192 mm x 280 mm.
2.16 Thread of Connection Fittings: G 1 ¼ - В.
2.17 Center to center distance between Fittings: (250±0.5) mm.
2.18 Weight of meters: not more than 4.6 kg.
2.19 Parameters of the sensor, which can be installed on Modification I meters:
- Value of one pulse, which corresponds to measurement volume of gas: 0.01 cubic meter;
- Power Supply Voltage: 2.5-3.5 V;
- Current Consumption: not more than 20 mcA.
2.20 Operating position of meters: vertical, fittings facing up.
2.21 Full average service life of meters: not less than 20 years.
Nominal Size
of Meters
Gas Volume Flow Rate, cubic meter/hour
Rated, Q nom
Maximum, Q max
Minimum, Q min
G1,6 - I
G2,5 - I
G4 - I
1,6
2,5
4
2,5
4
6
0,016
0,025 (0,016)
0,040 (0,016)
2.2 Limit of permissible relative errors of the meters in the range of volume flow rate at the time of release from manufacturing and after repair for Modifications 1 and 2 are specified in Table 2.
Table 2
G1,6-І; G2,5-І; G4-І (Modification 1)
G1,6-2-І; G2,5-2-І; G4-2-І (Modification 2)
Q min ≤ Q < 2 Q min – ± 3%
2 Q min ≤ Q ≤ Q max – ± 2%
Q min ≤ Q < 0,1 Q max – ± 3%
0,1 Q max ≤ Q ≤ Q max - ± 1,5%
2.2 Limits of permissible relative errors of the meters in the range of volume flow rate at the time of operation for Modifications 1 and 2 are specified in Table 3.
Table 3
G1,6-І; G2,5-І; G4-І (Modification 1)
G1,6-2-І; G2,5-2-І; G4-2-І (Modification 2)
+3%
Q min ≤ Q < 2 Q min -
- 6%
2 Q min ≤ Q ≤ Q max – ± 3%
+3%
Q min ≤ Q < 0,1 Q max -
- 6%
0,1 Q max ≤ Q ≤ Q max - ± 3%
2.4 Average Pressure Loss At Volume Flow Rate Q max:
- At the time of release from manufacturing and after repair: not more than 200 Pa;
- At the time of operation: not more than 220 Pa.
2.5 Maximum Pressure Loss at Volume Flow Rate Q min: not more than 60 Pa.
2.6 Sensitivity Threshold of Meters: not more than 0.003 cubic meter/hour.
2.7 Maximum Excessive Operating Pressure of Gas: 25 kPa.
2.8 Deviation of Cyclical Volume of Meters from Rated Value Vc = 1.2 cubic decimeter must not exceed ± 5%.
2.9 Temperature Range of External and Measurement Environment, where meters will function: from minus 40°C to plus 50ºС.
2.10 Rated Operating Temperature of Measurement Environment (Tn), based on which the meter provides conversion of the measurement results of gas volume to the temperature of gas under standard conditions Tb = 20 ºС :
- Тn = 15 ºС for meters, which will be installed in heated locations;
- Тb = 0 ºС for meters, which will be installed outside of the heated locations.
2.11 Higher Relative Humidity of Ambient Environment: 98% at a temperature of 25ºС.
2.12 Capacity of Indicating Device: 99999.999 cubic meter.
2.13 Scale Interval of Least Significant Digit of Indicating Device: 0.2 cubic decimeter.
2.14 Nominal Inside Diameter of Fittings of Meters: DN 20.
2.15 Dimensions: not more than 190 mm x 164 mm x 220 mm.
2.16 Thread of Connection Fittings: G ¾ - В.
2.17 Center to center distance between Fittings: (110±0.5) mm.
2.18 Weight of meters: not more than 1.9 kg.
2.19 Parameters of the sensor, which can be installed on Modification I meters:
- Value of one pulse, which corresponds to measurement volume of gas: 0.01 cubic meter;
- Power Supply Voltage: 2.5-3.5 V;
- Current Consumption: not more than 20 mcA.
2.20 Operating position of meters: vertical, fittings facing up.
2.21 Full average service life of meters: not less than 20 years.
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