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| Gas Flow Standard Device (critical Flow Nozzle Method) http://moonlight-fangs.de/viewtopic.php?f=14&t=29308 |
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| Autor: | otosakolomajudiheret [ Mi 2. Dez 2020, 04:40 ] |
| Betreff des Beitrags: | Gas Flow Standard Device (critical Flow Nozzle Method) |
【Test items】 Gas Flow Standard Device (critical Flow Nozzle Method) uses Venturi sonic nozzle as standard, which has high accuracy, wide flow range and high automation, it can be used to calibrate speed flowmeters (turbines, vortex streets, precession vortices, etc.), volumetric flowmeters (Roots, diaphragm gas meters, etc.), mass flow meters and other types of gas flow meters. 【Applicable standards】 JJG 620-2008 Verification Regulation of Critical Flow Venturi Nozzle JJG 633-2005 Verification Regulation for Gas Displacement Meters JJG 1029-2007 Verification Reguation of Vortex-shedding Flowmeter JJG 1030-2007 Verificaton Regulation of Ultrasonic Flowmeters JJG 1037-08 Verification Regulation of Turbine Flowmeter JJG 1132-2017 Verification Regulation of Thermal Mass Gas Flowmeters 【Technical parameters】 Flow range of the flowmeter: 0.06-7000m3/h Specification of flowmeter: DN 15~DN300 Device uncertainty: ≤0.5%, ≤0.3% Flow stability: <0.1% https://www.zwh-autotest.com/measuring-equipment/gas-flow-standard-device-critical-flow-nozzle.html |
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