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Autobell® Bell Prover Primary Standard Gas Calibration System
Brand: FTI Flow TechnologyThe Autobell®, a primary standard gas calibration system, is used to accurately measure a displaced volume of gas at a constant pressure.
Interface electronics are provided to measure displaced volume and the time over which the volume is displaced so that a precise flow rate can be determined.
To calibrate a gas flow meter using the Autobell®, the flow meter must be installed upstream of the bell so that all gas flowing through it is captured by the calibrator.
Features- Calibrates all principal types of flowmeters - turbine, variable area and thermal
- ±0.2% uncertainty of volumetric flow rate measurement (95% C.L.) typical
- Automatic data acquisition through PC and interface
- Displays, prints and analyzes data in desired units of measure
- Automatic level compensation for liquid seal volume
- Stainless steel construction
- Directly traceable to the National Institute of Standards and Technology (NIST)
- Simplified system calibration
Specifications
Brand
Bell Size
- 2 to 20 ft³
Operating Temperature
- 18° to 24° C (65° to 75° F)
Operating Pressure
- 0.2” H₂O Max. Standard
Pressure Drop
- 0.2” H₂O Max. Standard
Power Supply
- 110/115 Vac
- 220/230 Vac