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Catalogue Pressure Transmitter

32 www.bdsensors.com DMP 331i / DMP 333i / LMP331i Precision Pressure Transmitter / Screw-in Transmitter Technical Data Materials Pressure port stainless steel 1.4404 (316 L) Housing stainless steel 1.4404 (316 L) Seals DMP 331i / LMP 331i: FKM DMP 333i: NBR optional: welded version 6 others on request Diaphragm stainless steel 1.4435 (316L) Media wetted parts pressure port, seals, diaphragm 6 welded version only with pressure ports according to EN 837; welded version not available with pressure ranges ≤ 0.16 bar and > 40 bar Mechanical stability Vibration 10 g RMS (20 ... 2000 Hz) Shock 100 g / 11 msec. Explosion protection (only for 4 ... 20 mA / 2-wire) Approvals DX19-DMP 331i DX19-DMP 333i DX19-LMP 331i IBExU 10 ATEX 1068 X / IECEx IBE 12.0027X zone 0: II 1G Ex ia IIC T4 Ga zone 20: II 1D Ex ia IIIC T 85°C Da Safety technical max. values Ui = 28 V, Ii = 93 mA, Pi = 660 mW, Ci ≈ 0 nF, Li ≈ 0 µH, the supply connections have an inner capacity of max. 27 nF to the housing Permissible temperatures for environment in zone 0: -20 ... 60 °C with patm 0.8 bar up to 1.1 bar in zone 1 or higher: -20 ... 65 °C Connecting cables (by factory) cable capacitance: signal line/shield also signal line/signal line: 160 pF/m cable inductance:signal line/shield also signal line/signal line: 1µH/m Miscellaneous Current consumption signal output current: max. 25 mA signal output voltage: max. 7 mA Weight approx. 200 g Installation position any 7 Operational life > 100 x 106 pressure cycles CE-conformity EMC Directive: 2004/108/EC Pressure Equipment Directive: 97/23/EC (module A) 8 ATEX Directive 94/4/EG 7 Pressure transmitters are calibrated in a vertical position with the pressure connection down. If this position is changed on installation there can be slight deviations in the zero point for pressure ranges PN ≤ 1 bar. 8 This directive is only valid for devices with maximum permissible overpressure > 200 bar Wiring diagrams 2-wire-system (current) 3-wire-system (voltage) Pin configuration Electrical connections ISO 4400 Binder 723 (5-pin) Binder 723 (7-pin) M12x1/ metal (4-pin) field housing cable colours (DIN 47100) Supply + Supply – Signal + (only for 3-wire) 1 2 3 3 4 1 3 1 6 3 1 - IN + IN – OUT + wh (white) bn (brown) gn (green) shield ground pin 5 2 4 ye/gn (yellow / green) Communication interface 9 RxD TxD GND - - - - - - 4 5 7 - - - - - - - - - 9 may not be transmitted directly with the PC (the suitable adapter is available as accessory) p supply + supply – VS I supply + signal + VS V p U supply – DMP 331i / DMP 333i / LMP 331i Technical Data

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