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Catalogue Pressure Transmitter

64 www.bdsensors.com DMP 304 Ultra High Pressure Transmitter Technical Data Input pressure range Nominal pressure gauge [bar] 2 000 4 000 5 000 6 000 Overpressure [bar] 3 000 5 000 6 000 7 000 Burst pressure [bar] 4 000 8 000 10 000 10 000 Output signal / Supply Standard 2-wire: 4 ... 20 mA / VS = 10 ... 30 VDC IS-protection 2-wire: 4 ... 20 mA / VS = 10 ... 28 VDC Option 3-wire (on request) 3-wire: 0 ... 10 V / VS = 14 ... 36 VDC Performance Accuracy1 standard: ≤ ± 0.50 % FSO option: ≤ ± 0.25 % FSO (on request) Permissible load current 2-wire: Rmax = [(VS – VS min) / 0.02 A] Ω voltage 3-wire: Rmin = 10 kΩ Influence effects supply 0.05 % FSO / 10 V load: 0.05 % FSO / kΩ Long term stability ≤ ± 0.2 % FSO / year Response time < 2.5 msec Adjustability Via a front sided potentiometer is an adjustment of the offset possible within the range of ± 5 % of the nominal pressure range, without an influence of characteristic curve and accuracy. 1 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) Calibration (only with MIL / Bendix plug) Calibration signal accuracy ≤ ± 0.25 % FSO Calibration 80 % FSO calibration (e.g. for 4 ... 20 mA / 2-wire: signal = 0.8*16 mA + 4 mA = 16.8 mA) Thermal effects (Offset and Span) Thermal error ≤ ± 0.2 % FSO / 10 K in compensated range -20 ... 85 °C Permissible temperatures Permissible temperatures medium: -40 ... 85 °C electronics / environment: -25 ... 85 °C storage: -40 ... 85 °C Electrical protection Short-circuit protection permanent Reverse polarity protection no damage, but also no function Electromagnetic compatibility emission and immunity according to EN 61326 Mechanical stability Vibration 10 g RMS (20 ... 2000 Hz) Shock 100 g / 11 msec Materials Pressure port / diaphragm stainless steel 1.4548 (17-4 PH) Housing standard: stainless steel 1.4301 (304) Seals (media wetted) none (welded version) Media wetted parts pressure port, diaphragm IS-protection (only for 4 ... 20 mA / 2-wire) Approval DX17-DMP 304 zone 0: II 1G Ex ia IIC T4 Safety technical maximum values Ui = 28 V, Ii = 93 mA, Pi = 660 mW Permissible temperatures for environment in zone 0: -20 ... 60 °C with patm 0.8 bar up to 1.1 bar zone 1 and higher: -25 ... 70 °C Connecting cables (by factory) cable capacity: signal line/shield as well as signal line/signal line: 160 pF/m cable inductance: signal line/shield as well as signal line/signal line: 1 µH/m Miscellaneous Insulation strength / resistance standard: insulation strength 100 MΩ @ 35 V IS-version: insulation resistance 100 MΩ @ 35 VDC 100 MΩ @ 500 VAC (relative to housing) Current consumption 2-wire signal output current: max. 28 mA 3-wire signal output voltage: max. 15 mA Weight approx. 260 g Installation position any CE-conformity EMC Directive: 2004/108/EC Pressure Equipment Directive: 97/23/EC (module A) DMP 304 Technical Data

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