{"product_id":"qmkb-magnetisch-induktiver-durchflussmesser-modbus-rtu","title":"QMKB electromagnetic flowmeter, Modbus RTU","description":"\u003cp\u003eThe \u003cstrong\u003eQMKB\u003c\/strong\u003e is an electromagnetic flowmeter to JB\/T 9248-2015 with compact or remote converter. It is particularly suited to conductive liquids from 30 µS\/cm where lining and electrode are matched to the medium.\u003c\/p\u003e\u003cp\u003eFaraday's law of induction. Flow velocity \u003cstrong\u003e0 … 10 m\/s\u003c\/strong\u003e, accuracy \u003cstrong\u003e± 0.5 % of reading\u003c\/strong\u003e, ± 1 % below DN20. Conductivity 25 µS\/cm in theory, more than 30 µS\/cm in practice. Outputs \u003cstrong\u003e4 … 20 mA\u003c\/strong\u003e, pulse or frequency 2 kHz, 5 kHz maximum, \u003cstrong\u003eRS485 with Modbus RTU\u003c\/strong\u003e and HART. Supply \u003cstrong\u003e100 … 240 V AC\u003c\/strong\u003e 50\/60 Hz or \u003cstrong\u003e24 V DC ± 10 %\u003c\/strong\u003e, consumption ≤ 15 VA, cable entry M20 × 1.5.\u003c\/p\u003e\u003cp\u003eElectrodes 316L, Hastelloy C or B, titanium, tantalum or platinum, lining neoprene, PTFE, FEP, PFA, silicone fluoro rubber or PU, shell and flange carbon steel, stainless steel to order. Nominal pressure 1.0, 1.6, 2.5 or 4.0 MPa. Medium temperature \u003cstrong\u003e0 … +250 °C\u003c\/strong\u003e by lining, ambient -10 … +55 °C with LCD, -30 … +55 °C with OLED. Protection grade \u003cstrong\u003eIP65\u003c\/strong\u003e compact, IP65 or IP68 remote. A declaration of conformity is not documented in the data sheet. Before sizing, note: The sheet gives three different upper size limits; the sizes that can be delivered have to be settled with the enquiry. The ground ring is offered for DN15 … DN450 only. GPRS is named in the parameter table but has no field in the order code.\u003c\/p\u003e\u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eCompact or remote, cable up to 300 m on request\u003c\/li\u003e\u003cli\u003eLinings up to 250 °C\u003c\/li\u003e\u003cli\u003eRS485 with Modbus RTU and HART\u003c\/li\u003e\u003cli\u003ePulse or frequency output up to 5 kHz\u003c\/li\u003e\u003cli\u003eLCD as standard, OLED to order\u003c\/li\u003e\u003cli\u003eInfrared touch keys on the compact version\u003c\/li\u003e\u003cli\u003eWide-range supply 100 … 240 V AC or 24 V DC\u003c\/li\u003e\u003cli\u003eProtection grade up to IP68 in the remote version\u003c\/li\u003e\u003c\/ul\u003e","brand":"octogon GmbH","offers":[{"title":"Default Title","offer_id":57453661389126,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/5558\/6374\/files\/QMKB_produkt.webp?v=1790331873","url":"https:\/\/octogon-sensors.com\/en\/products\/qmkb-electromagnetic-flowmeter-modbus-rtu","provider":"octogon GmbH","version":"1.0","type":"link"}