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| | | Mexico, CENAM (Centro Nacional de Metrologia) | | | Complete CMCs in Mass and related quantities for Mexico (.PDF file)
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| Volume gas flow rate. Gas flow meters, 0.00083 dm3/s to 0.5 dm3/s | | Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.15 | | Volumetric flowmeter (e.g., positive displacement, rotary piston, turbine, venturi, critical nozzle, laminar flow element, rotameter, differential pressure, wet gas meter, ultrasonic, orifice, vortex meter) | | Fluid: dry air | | Pressure: 0.1 MPa to 0.6 MPa | | Temperature: 19 °C to 21 °C | | Pipe sizes: 6 mm to 25 mm
Approved on 12 March 2007 | | Internal NMI service identifier: CENAM/FV4 |
| | | Volume gas flow rate. Gas flow meters, 0.5 dm3/s to 30 dm3/s | | Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.25 | | Volumetric flowmeter (e.g., positive displacement, rotary piston, turbine, venturi, critical nozzle, laminar flow element, rotameter, differential pressure, wet gas meter, ultrasonic, orifice, vortex meter) | | Fluid: dry air | | Pressure: 0.1 MPa to 0.6 MPa | | Temperature: 19 °C to 21 °C | | Pipe sizes: 6 mm to 100 mm
Approved on 12 March 2007 | | Internal NMI service identifier: CENAM/FV5 |
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