{"product_id":"qgkf-drehkolbengaszahler-mit-zustandskorrektur","title":"QGKF Roots gas meter with volume correction","description":"\u003cp\u003eThe \u003cstrong\u003eQGKF\u003c\/strong\u003e is a Roots rotary gas meter with temperature and pressure measurement in the same body and automatic conversion to the reference state. It is particularly suited to measuring gas quantities where the volume is to be shown and transmitted referred to 101.325 kPa and 20 °C.\u003c\/p\u003e\n\u003cp\u003ePositive displacement principle, two lobed rotors scoop the gas into fixed portions and the electronics count them. Flow range \u003cstrong\u003e20 … 1600 m³\/h\u003c\/strong\u003e by size, rangeability \u003cstrong\u003e20:1 to 120:1\u003c\/strong\u003e. Accuracy \u003cstrong\u003eclass 1.0 or 1.5\u003c\/strong\u003e. Automatic correction of temperature, pressure and compression factor. Outputs \u003cstrong\u003epulse and RS485\u003c\/strong\u003e (version F) or \u003cstrong\u003e4 … 20 mA, pulse and RS485\u003c\/strong\u003e (version A). Supply by internal battery or external, the voltage is not documented. Three-line LCD with standard volume, standard flow, temperature and pressure. Nominal sizes \u003cstrong\u003eDN25 … DN200\u003c\/strong\u003e, flange connection.\u003c\/p\u003e\n\u003cp\u003eBody of aluminium alloy up to DN100, from DN150 aluminium per table, structure form I square or II round. Flange with bolt circle Ø 75 … Ø 295 mm, flow direction top down. Nominal pressure 1.0 MPa per parameter table, weight 9 kg (DN25) to 125 kg (DN200). Protection grade and explosion protection are not documented. A declaration of conformity is not documented in the datasheet. Before sizing, note: which size reaches class 1.0 and which class 1.5 is not stated. The order code offers 1, 5 and 10 bar, data exist for 1.0 MPa only. Supply voltage, battery type, service life and wiring diagram are not documented.\u003c\/p\u003e\n\u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePositive displacement principle with two lobed rotors\u003c\/li\u003e\n\u003cli\u003eRangeability up to 120:1 depending on size\u003c\/li\u003e\n\u003cli\u003eConversion to 101.325 kPa and 20 °C\u003c\/li\u003e\n\u003cli\u003eCorrection of temperature, pressure and compression factor\u003c\/li\u003e\n\u003cli\u003eThree-line high-contrast LCD\u003c\/li\u003e\n\u003cli\u003eOutputs pulse, 4 … 20 mA and RS485\u003c\/li\u003e\n\u003cli\u003eData storage kept through battery change and power failure\u003c\/li\u003e\n\u003cli\u003eNominal sizes DN25 … DN200 with flange\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"octogon GmbH","offers":[{"title":"Default Title","offer_id":57453624131910,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/5558\/6374\/files\/QGKF_produkt.webp?v=1790331840","url":"https:\/\/octogon-sensors.com\/en\/products\/qgkf-roots-gas-meter-with-volume-correction","provider":"octogon GmbH","version":"1.0","type":"link"}