Please activate JavaScript!
Please install Adobe Flash Player, click here for download

Catalogue Pressure Transmitter

41 www.bdsensors.com DMP 331 Industrial Pressure Transmitter Technical Data Input pressure range Nominal pressure gauge / abs. [bar] -1…0 0.10 0.16 0.25 0.40 0.60 1 1.6 Overpressure [bar] 5 0.5 1 1 2 5 5 10 Burst pressure ≥ [bar] 7.5 1.5 1.5 1.5 3 7.5 7.5 15 Nominal pressure gauge / abs. [bar] 2.5 4 6 10 16 25 40 Overpressure [bar] 10 20 40 40 80 80 105 Burst pressure ≥ [bar] 15 25 50 50 120 120 210 Vacuum resistance PN ≥ 1 bar: unlimited vacuum resistance PN < 1 bar: on request Output signal / Supply Standard 2-wire: 4 ... 20 mA / VS = 8 ... 32 VDC Option IS-protection 2-wire: 4 ... 20 mA / VS = 10 ... 28 VDC Options 3-wire 3-wire: 0 ... 20 mA / VS = 14 ... 30 VDC 0 ... 10 V / VS = 14 ... 30 VDC Performance Accuracy 1 standard: nominal pressure < 0.4 bar: ≤ ± 0.5 % FSO nominal pressure ≥ 0.4 bar: ≤ ± 0.35 % FSO option 1: nominal pressure ≥ 0.4 bar: ≤ ± 0.25 % FSO option 2: for all nominal pressure: ≤ ± 0.1 % FSO Permissible load current 2-wire: Rmax = [(VS – VS min) / 0.02 A] Ω current 3-wire: Rmax = 500 Ω voltage 3-wire: Rmin = 10 kΩ Influence effects supply: 0.05 % FSO / 10 V load: 0.05 % FSO / kΩ Long term stability ≤ ± 0.1 % FSO / year at reference conditions Response time 2-wire: ≤ 10 msec 3-wire: ≤ 3 msec 1 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) Thermal effects (Offset and Span) Nominal pressure PN [bar] -1 … 0 < 0.40 ≥ 0.40 Tolerance band [% FSO] ≤ ± 0.75 ≤ ± 1 ≤ ± 0.75 in compensated range [°C] -20 ... 85 0 ... 70 -20 … 85 Permissible temperatures Permissible temperatures medium: -40 ... 125 °C electronics / environment: -40 ... 85 °C storage: -40 ... 100 °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 (25 ... 2000 Hz) according to DIN EN 60068-2-6 Shock 500 g / 1 msec according to DIN EN 60068-2-27 Materials Pressure port stainless steel 1.4404 (316 L) Housing stainless steel 1.4404 (316 L) Option compact field housing stainless steel 1.4305 (303), cable gland brass, nickel plated others on request Seals (media wetted) standard: FKM options: EPDM NBR welded version 2 others on request Diaphragm stainless steel 1.4435 (316 L) Media wetted parts pressure port, seals, diaphragm 2 welded version only with pressure ports according to EN 837 Explosion protection (only for 4 … 20 mA / 2-wire) Approvals DX19-DMP 331 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 maximum 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 ... 70 °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 DMP 331 Technical Data

Pages