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1、 1.Gravimetric 2.PVTt-Method 3.Volumetric - Pigsar Pigsar PTB PTB pigsar P F control room m 3 pipe stockworking standards station inlet station outlet regulator room piston prover with transfer meter working section for meter under test valve pressure control valve flow control valve safety valve he
2、at exchanger gas filter displaced volume a1a2 a2 a3a4 a4 a5 c2c4b2b4 turbine meter G 250 4-way-valve check valve , : piston position switch : volume switch (half range) , , : volume switch (start) , , : volume switch (stop) a3 a2b2c2 a5a1 a4b4c4 BIM MADE IN CHINA PTB PTB Test Rig - German Low Pressu
3、re Standard- 16 Sonic Nozzles from 2 to 5,500 m3/h Accuracy 0.08 % PTB PTB PTB PTB Test Rig - German Low Pressure Standard- 16 Sonic Nozzles from 2 to 5,500 m3/h Accuracy 0.08 % PTB 65 m3 7000m3/h 65 m3 DN 150 DN 100 3 4 4,5 8 10 12,5 25 50 100 125 250 500 1000 1250 2500 DN 200 DN 300 DN 400 data ac
4、quisition flow control and leakage test system 2 m /h 3 nominal flow rate meter under test vacuum pump flow straightener PTB ? PTB - - 1/3 82 IN-S10 IN-S11 View on soldering side of female plug IN-S11 IN-S12 1. E1: white - brown 2. E1: green - yellow PCM: gray - pink IN-S10 IN-S12 1/3 DELTA 2050 G 6
5、5 Front reading Index Quantometer Q: 1.5% (3%) ELSTER Q-Series N S 10nm3 0 0 0 0 0000 m3 , 0- 1- 2- 3- 4- 5- 6- 7- - 0 1 2 0 1 2 0 1 2 0 0 0 0 0000 0 m3 , 1= : dm3/ pulse pulses / m3 2 3 (,) : RFiF 1 i- ui + - uo RB iR + i F o u R R u 1 1.; 2.; 3 4 5V 5V 4.7V5V 3. 1 - . : 1 2 3 1k10k 1 2 3 4 , Ultim
6、ate Accuracy: NIST Constant-Volume Prover (0.05%) Constant-Pressure Piston Provers (Mercury or Viscous-Sealed) Bypass Valve Vent Temperature Transducer Dead Volume Inlet Filter Inlet Cylinder Piston 15 PSI Absolute Transducer Light Emitter Photodiode / Collimator Original Piston Prover Soap-Film Bur
7、ette Transit Time of Bubble for Calibrated Volume National- Level Accuracy: Mercury- Sealed Prover 0.15% To 0.2% inter- ferometer inter- ferometer inter- ferometer V1 V4 V9 V3V2 V6 V7 V8 V5 two-stage pressure regulation valve triple prism piston mercury sealing ring glass cylinder meter under test p
8、ressure vessel mercury filter critical nozzle vacuum pump T T P P window - - - - Sonic nozzle technology ITF1000ITF2500ITF4000ITF6500 Measuring range0,5 - 1000m/h0,5 - 2500m/h0,5 - 4000m/h0,5 - 6500m/h Uncertainty0,5 - 1m/h +/-0,35%0,5 - 1m/h +/-0,35%0,5 - 1m/h +/-0,35%0,5 - 1m/h +/-0,35% 1 - 1000m/
9、h +/- 0,25% 1 - 2500m/h +/- 0,25%1 - 4000m/h +/- 0,25% 1 - 6500m/h +/- 0,25% Master meters1 G650 Duo2 G650 Duo4 G650 Duo6 G650 Duo 1 G161 G161 G161 G16 Leakage Test Test Run Software Meter under test ApprovalsLandeseichdirektion Stuttgart / PTB / NMI / several intern. Metrology Organisations fully a
10、utomatic fully automatic inotech Standard Turbine-, Rotary-, Utrasonic-, Diaphragm gas meters - - - - - - - - ITF4000 0,5m/h 4.000m/h - - - - Test Rig for Industrial Gas Meters 0,5mTest Rig for Industrial Gas Meters 0,5m /h/h 6.500m6.500m /h/h Standard Test Rig ITF2500 0,5m/h 2.500m/h - - - - - - - - - - - - - Test Rig for Pressure Calibrators (fully automatic) - - - - - - - - - - -