G6 Gas Meter Sonic Nozzle Test Bench

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1 Unit/Units (Min. Order)
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
Accuracy of faciity:
Stability of flow:
Type of meters to be tested:
Meters to be tested:
Supply Ability
Supply Ability:
100 Unit/Units per Year
Packaging & Delivery
Packaging Details
Wooden packing
Shanghai or Ningbo
Lead Time :
Shipped in 60 days after payment
Product Description

Product Application

GNP sonic nozzle test facility for gas meters is a new generation automatic test facility with high accuracy,high efficiency and good stability.

The test facility is composed of sonic nozzle,dynamic image sampling system,test bench,oil-less vacuum pump, controlling gas circuit,single chip system and PC etc. It adopts sonic nozzle as main standard,the nozzles will be selected automatically by PC according to different flow rate. Single chip and high accuracy A/D conversion technology are introduced to automatically measure temperature,pressure and humidity,involved in error calculation and correction. thus to ensure accuracy of test facility. the whole system can realize full automatic test under PC control and has the function of original data saving,query and printing.

The test facility can carry out automatic test towards G1.6, G2.5, G4.0 diaphragm gas meter according to JJG577-2012. The system is with dynamic image sampling,bar code scanning input,auto receive reed switch and pulse signal of gas meter,auto compensation for temperature and pressure,error judgment,data query,storage and printing function.

Technical Index
Facility uncertainty
Released coefficient of sonic nozzle
Flow stability
Flow range
Working moden
negative pressure method
Gas meter
Gas meters to be tested
6, 8, 12pcs
Sample mode
dynamic image processor
Suitable spacing of meter under test
Suitable height of meter under test
Meter clamp method
pneumatic clamping method
Left/Right gas meter switchover
pneumatic valve; one key control
Pressure compensation
standard configuration
Temperature compensation
standard configuration
Material of test bench
0.5KW (220VAC) or 1.25KW(380VAC)
RS 232
Control system

Main Features

1) Suitable for test error of G1.6, G2.5, G4.0 diaphragm gas meter under three flow rate: Qmax, 0.2Qmax,and Qmin.

2) Adopt Venturi sonic nozzle as its standard,automatically select best nozzle combination by computer according to different flow       rate.

3)  Several gas meters to be tested simultaneously in series connection which greatly improve test efficiency.

4)  Automatically select to test left inlet or right side inlet gas meter by switchover valve.

5)  Reading signal of gas meter can be collected quickly,accurately and reliably via dynamic image processor.

6)  Auto receive reed switch signal and pulse signal output by IC card gas meter.

7)  The system will select the best gas meter gear ration automatically after test.

8)  Precision sensor,single chip system and high accuracy A/D conversion technology are introduced to automatically measure

9)  temperature,pressure and humidity,involved in real-time error calculation and correction,thus to ensure accuracy of test facility.

10) The whole system can realize full automatic test by software control. Software interface is characterized by nice appearance and       easy operation. Test data and analysis result can link up Excel so as to fulfill test report quickly,it has data storage,                         certificate printing, analysis and statistic function.

Dynamic Image Processor Features

1) High efficiency: Graphic system can recognize and count counter of gas meter automatically. Thus, it can shorten no-load of
    gas meter before test. Especially for Qmax0.2 and Qmin. Customers said that our device can enhance 20%-40% efficiency               then other error gas meter calibration devices.

2) Long distance test: Graphic system is megapixel. It can expand 10 cm between graphic system and tested gas meters.

3) High accuracy: Graphic system can collect 99% signal of gas meter successfully. Which means it overcomes defects, such as hard     to focusing, manual adjustment, unstable etc

Packing & Delivery
4800(L) * 650(W) * 1800 (D)
0.5 T

Packaging Details
The normal package is wooden box(Size:5200 L*850W*1900H). If export to european countries,the wooden box will be fumigated.If container is too tigher,we will use pe film for packing or pack it according to customers special request.
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