{"title":"Measurement electronics with ATEX \/ Ex protection","description":"\u003cp\u003eIn potentially explosive areas, not only must the sensor be approved, but also the \u003cstrong\u003eevaluation behind it\u003c\/strong\u003e. Here you will find our measuring electronics for use in ATEX and Ex zones: weighing transmitters, weighing indicators, junction boxes and measuring amplifiers.\u003c\/p\u003e\u003cp\u003eIn practice, there are two ways. Either the device itself is located in the zone and is approved accordingly, or it is located outside and the zone is bridged via a \u003cstrong\u003eseparating barrier or a supply isolator\u003c\/strong\u003e – often the simpler and more cost-effective solution. Which path is suitable depends on the zone, device category and cable routing.\u003c\/p\u003e\u003cp\u003eTell us in which zone the measurement is taking place and which load cell is installed – we will put together the appropriate chain of transducer, electronics and isolation. Our \u003cstrong\u003eload cells with ATEX and Ex approval\u003c\/strong\u003e can be found in their own category.\u003c\/p\u003e\u003cp\u003eInquiries to \u003ca href=\"mailto:office@octogon.org\"\u003eoffice@octogon.org\u003c\/a\u003e or by phone at +43 676 3628453.\u003c\/p\u003e","products":[{"product_id":"eomb-universal-messumformer-ex","title":"EOMB universal transmitter, Ex","description":"\u003cp\u003eThe \u003cstrong\u003eEOMB\u003c\/strong\u003e is the explosion-proof version of the universal transducer, type \u003cstrong\u003eMATU-Ex\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectrically, it is the same programmable transducer as the \u003cstrong\u003eEOMA\u003c\/strong\u003e, additionally certified as an \u003cstrong\u003eintrinsically safe Ex-component\u003c\/strong\u003e for zones 0, 1 and 2 for gases. The marking is \u003cstrong\u003eII 1 G Ex ia [ia] IIC Ga\u003c\/strong\u003e and \u003cstrong\u003eII 2 G Ex ia [ib] IIC Gb\u003c\/strong\u003e; the certificates are TÜV 21 ATEX 309041 U and IECEx TUN 22.0017 U.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU\u003c\/strong\u003e in both certificate numbers means component, not device: The installer is responsible for the approval of the finished device. This includes four installation requirements – the board must be installed to at least \u003cstrong\u003eIP20\u003c\/strong\u003e according to DIN EN 60529, encapsulated according to DIN EN 60079-11 in such a way that the permissible barrier layer temperature of the Z-diodes is not exceeded, the supply and output circuit must be safely galvanically isolated from earth potential, and installation and commissioning must be carried out by qualified personnel with knowledge of the types of protection. A temperature class is not specified; it only results from the installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor Ex operation, a narrower operating temperature applies than in the general data:\u003c\/strong\u003e -40 ... +75 °C at the current output and -40 ... +50 °C at the voltage output, compared to a working range of -40 ... +85 °C. Anyone who relies on the approval must design according to these values. The intrinsic safety characteristics: Ui 30 VDC, Ii 110 mA, Pi 1 W at the input; Uo 4.1 V, Io 51 mA or 52 mA, Po 52 mW in the sensor circuit; Uo 12.6 V, Io 48 mA, Po 148 mW at the voltage output.\u003c\/p\u003e\n\u003cp\u003eThe input supports \u003cstrong\u003ePt100 and Pt1000\u003c\/strong\u003e in 4-, 3- or 2-wire circuits, \u003cstrong\u003ethermocouples of types J, K and N\u003c\/strong\u003e, a \u003cstrong\u003estrain gauge full bridge\u003c\/strong\u003e from 350 Ω, current and voltage, as well as a potentiometer from 350 Ω to 100 kΩ. The output is \u003cstrong\u003e4 ... 20 mA\u003c\/strong\u003e or \u003cstrong\u003e0 ... 10 V\u003c\/strong\u003e. The resolution is \u003cstrong\u003e24 bit\u003c\/strong\u003e, the accuracy max. 0.1 % of the nominal range. The rectangular design measures \u003cstrong\u003e35 × 18 × 4 mm\u003c\/strong\u003e, the round one 31.4 × 28.6 × 4.8 mm.\u003c\/p\u003e\n\u003cp\u003eThe intrinsically safe circuit requires an \u003cstrong\u003eisolation barrier\u003c\/strong\u003e in the safe area, which supplies the power and output circuit; it is not included in the scope of delivery. A CE mark is not documented in the manufacturer's data sheet; a declaration of conformity must be requested before placing it on the market in the EU. The DEV-KMA configurator with TrComm software is used for configuration.\u003c\/p\u003e\n\u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eIntrinsically safe Ex-component for zones 0, 1 and 2 for gases\u003c\/li\u003e\n\n\u003cli\u003eATEX TÜV 21 ATEX 309041 U and IECEx TUN 22.0017 U\u003c\/li\u003e\n\n\u003cli\u003eA single transducer for Pt100, Pt1000, thermocouple, strain gauge, current, voltage, potentiometer\u003c\/li\u003e\n\n\u003cli\u003eResolution 24 bit, accuracy max. 0.1 % of nominal range\u003c\/li\u003e\n\n\u003cli\u003eOutput 4 ... 20 mA or 0 ... 10 V\u003c\/li\u003e\n\n\u003cli\u003eOnly 35 × 18 × 4 mm, round design 31.4 × 28.6 × 4.8 mm available\u003c\/li\u003e\n\n\u003cli\u003eEx operating temperature -40 ... +75 °C at current output, -40 ... +50 °C at voltage output\u003c\/li\u003e\n\n\u003cli\u003eVersion without Ex protection available as EOMA\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"octogon Shop","offers":[{"title":"Default Title","offer_id":57306239369542,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/5558\/6374\/files\/EOMB_MATU-Ex_titelbild_eb514156-a269-47f0-abec-74c221d181f1.webp?v=1788951905"}],"url":"https:\/\/octogon-sensors.com\/en\/collections\/measurement-electronics-atex-ex-protection.oembed","provider":"octogon GmbH","version":"1.0","type":"link"}