Elster Gas Flowmeter QA16080ZI
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The Elster QA16080ZI is a high-performance, turbine-type gas flowmeter designed for precise volumetric measurement of natural gas and other non-aggressive, dry gases in industrial and commercial applications.
**Technical Parameters:**
* **Model:** QA16080ZI
* **Type:** Rotary Piston (Turbine) Gas Flowmeter
* **Accuracy Class:** Class 1.5 or Class 1.0 (typically per EN 12261 or equivalent standards, specific class depends on calibration).
* **Measuring Range (Qmax/Qmin):** Typically offers a wide turndown ratio, e.g., 1:100 or better, depending on specific configuration and gas conditions. Exact Qmax and Qmin values are determined by the nominal size.
* **Nominal Pressure (PN):** Common ratings include PN 16 or higher, suitable for medium-pressure distribution networks.
* **Maximum Operating Pressure (MOP):** Corresponds to the PN rating (e.g., 16 bar for PN16).
* **Temperature Range:**
* Gas Temperature: Standard range from -10°C to +60°C. Extended ranges may be available.
* Ambient Temperature: Typically -20°C to +60°C.
* **Connection:** Flanged connections as per EN 1092-1 or other regional standards (e.g., ANSI, DIN). Specific flange type and size (e.g., DN 80) are integral to the model designation.
* **Body Material:** Typically aluminum or cast iron, with corrosion-resistant coatings or treatments.
* **Internal Components:** Features precision-engineered rotor assembly with low-friction bearings for long-term stability.
* **Pulse Output:** Standard integrated pulse generator (reed switch or inductive sensor) for remote reading and data collection. Pulse value (e.g., m³/pulse) is configurable.
* **Optional Electronics:** Can be equipped with electronic volume correctors (EVCs) or mechanical temperature and pressure correction devices for converting measured volume to base/reference conditions (e.g., Elster BK-G4 or similar).
* **Protection Class:** Typically IP65 or higher for the electronic components, ensuring dust and water jet resistance.
* **Dimensions and Weight:** Vary significantly with the nominal diameter. Refer to the official datasheet for precise mechanical drawings and specifications.
**Description:**
The Elster QA16080ZI is
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