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| Categories | Meter Test Bench |
|---|---|
| Brand Name: | HNMC |
| Model Number: | MCGB001 |
| Place of Origin: | China |
| MOQ: | 1 |
| Payment Terms: | Western Union, MoneyGram, L/C, T/T |
| Delivery Time: | 4-8weeks |
| Packaging Details: | wooden package |
| Device flow range: | 0.06 m3/h～40m3/h |
| Total uncertainty: | ≤0.5% , k=2 |
| Test range of absolute pressure sensor: | 0～120kPa, Accuracy ≤0.075% |
| ambient temperature: | (20±5)℃ |
| relative humidity: | (45～75)%RH |
| test range of temperature sensor: | (0—50)℃ |
| accuracy: | ≤±0.2℃ |
| test range of humidity sensor: | 0～100%RH |
0.016 m3/h～6 m3/h Gas Meter Test Bench (commercial gas meter)
Technical Proposal
Feature
0.016 m3/h～6 m3/h Gas Meter Test Bench (commercial gas meter)
Gas Test bench configuration unit and work principle
Gas Test bench is consist of compression gas source,vacuum bump, control gas circuit, test pipe system,VSBA Sonic nozzle, device running control system, error running system, operation platform and PC etc
Gas flow by vacuum pumping in test pipeline. When gas trough sonic nozzle reach critical flow condition,quality and flow of gas though tested meter and nozzle keep the same. Control and operation part work by electric. Mainly consist of error sampling calculation CPU,device running CPU and PC .
0.016 m3/h～6 m3/h Gas Meter Test Bench (commercial gas meter)
Main technical index and performance of 12 positions Sonic nozzle
Main technical index and performance of Sonic nozzle gas flow verification device (commercial gas meter)
| Device flow range | 0.06 m3/h～40m3/h |
| Total uncertainty | ≤0.5% , k=2 |
| Negative pressure | |
| Test range of absolute pressure sensor | 0～120kPa,Accuracy ≤0.075% |
| Work condition | |
| ambient temperature | (20±5)℃ |
| relative humidity | (45～75)%RH |
| test range of temperature sensor | (0—50)℃ |
| accuracy | ≤±0.2℃ |
| test range of humidity sensor | 0～100%RH |
| Gas meter Spec | G6~G25 |
| Installation method | clip meter by pneumatic method,test 1-2 nos meter(diaphragm meter) for serial test. Up to G10 for 2 positions,G25 or bigger is single position .Clip meter by volumetric structure only support flow gauge of DN25,DN40 meter. If it other diameter flow gauge, it will match other nozzle |
| Sampling method | collect automatically or manual reading input, data dealing automatically, record save, certificate and test report print, data inquiry |
| Micro differential pressure sensor test range | 0～1000Pa,accuracy≤0.5% |
| XO frequency accuracy of time record | ＜10-4,stability per day＜10-5.Flow point:0.06m3/h,0.1 m3/h,0.25 m3/h ,0.4 m3/h ,1 m3/h,2 m3/h,4 m3/h,8 m3/h,16m3/h,32 m3/h,flow point deviation≤5% |
| Power supply | AC 3*380V±20V ,50Hz |
Test pipeline system as below picture:
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