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data sheet DMK 457

data sheet DMK 457
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DMK 457 Pressure Transmitter for Shipbuilding and Offshore Ceramic Sensor accuracy according to IEC 60770: 0.5 % FSO Nominal pressure The pressure transmitter DMK 457 with ceramic sensor has been designed for typical applications in shipbuilding and offshore constructions as alternative to our pressure transmitter DMP 457 with piezoresistive stainless steel sensor. from 0 ... 400 mbar up to 0 ... 600 bar Output signals 2-wire: 4 ... 20 mA others on request In combination with the copper-nickel-alloy the DMK 457 is suitable for seawater, e.g. level measurement in ballast tanks, etc. LR-certificate (Lloyd´s Register) DNV-approval (Det Norske Veritas) ABS-certificate (American Bureau of Shipping) CCS-certificate (China Classification Society) pressure port in CuNiFe (sea water resistant) oxygen application Preferred areas of use are Drives Compressors Boiler Pneumatic control systems Oxygen applications IS-version Ex ia = intrinsically safe for gases and dusts BD SENSORS GmbH BD-Sensors-Straße 1 D - 95199 Thierstein

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DMK 457 Pressure Transmitter for Shipbuilding and Offshore Input pressure range Nominal pressure gauge [bar] -1 … 0 0.4 0.6 1 1.6 2.5 4 6 Nominal pressure abs. [bar] - 0.6 1 1.6 2.5 4 6 Level gauge / abs. [mH2O] 6 10 16 25 40 60 Overpressure [bar] 4 1 2 2 4 4 10 10 Burst pressure ≥ [bar] 7 2 4 4 5 5 12 12 Vacuum resistance pN ≥ 1 bar: unlimited vacuum resistance pN < 1 bar: on request Output signal / Supply Standard Option IS-version Performance Accuracy 1 Permissible load Influence effects Long term stability Response time 1 Mechanical stability Vibration Materials Pressure port Cable...

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DMK 457 Pressure Transmitter for Shipbuilding and Offshore Explosion protection Approvals DX19-DMK 457 Safety technical maximum values Permissible temperatures for environment Connecting cables (by factory) Miscellaneous Option oxygen application IBExU 10 ATEX 1068 X / IECEx IBE 12.0027X zone 0: II 1G Ex ia IIB T4 Ga zone 20: II 1D Ex ia IIIC T135 °C Da Ui = 28 V, Ii = 93 mA, Pi = 660 mW, Li ≈ 0 µH with field housing: Ci = 105 nF with cable outlet: Ci = 84.7 nF with ISO 4400: Ci = 62.2 nF the supply connections have an inner capacity of max. 90 nF (140 nF with field housing) to the housing...

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DMK 457 Pressure Transmitter for Shipbuilding and Offshore Technical Data Electrical connections 5 (dimensions mm / in) universal field housing (IP 67) Generally shielded cable has to be used! Cable versions are delivered with shielded cable. For ISO 4400 the use of shielded cable is compulsory. tested at 4 bar or 40 mH2O for 24 hours 7 shielded cable with integrated air tube for atmospheric reference (for nominal pressure ranges absolute, the air tube is closed); different lengths available 6 Mechanical connection (dimensions mm / in) www.bdsensors.de info@bdsensors.de © 2022 BD|SENSORS...

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Output 4 … 20 mA / 2-wire intrinsic safety 4 … 20 mA / 2-wire customer Accuracy 0.5 % FSO customer Electrical connection male and female plug ISO 4400 (for cable Ø 4...6 mm) male and female plug ISO 4400 GL (for cable Ø 10...14 mm) male and female plug ISO 4400 GL (for cable Ø 4.5...11 mm) cable outlet with TPE-U-cable field housing stainless steel 1.4404 (316L) submersible version in 1.4404 (316L) with TPE-U-cable submersible version in CuNiFe with TPE-U-cable customer Mechanical connection G1/2" DIN 3852 G1/2" EN 837 G1/4" DIN 3852 G1/4" EN 837 G1/2" DIN 3852 open pressure port 1/2" NPT...

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