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Catalogue Pressure Transmitter

101 www.bdsensors.com DMK 351P Process Pressure Transmitter Technical Data Pressure ranges Nominal pressure gauge [bar] 0.04 0.06 0.1 0.16 0.25 0.4 0.6 1 1.6 2.5 4 6 10 16 20 Nominal pressure absolut [bar] on request 0.4 0.6 1 1.6 2.5 4 6 10 16 20 Overpressure [bar] 2 2 4 4 6 6 8 8 15 25 25 35 35 45 45 Permissible vacuum [bar] -0.2 -0.3 -0.5 -1 Output signal / Supply Standard 2-wire: 4 ... 20 mA / VS = 9 ... 32 VDC Option IS-protection 2-wire: 4 ... 20 mA / VS = 14 ... 28 VDC Option 3-wire 3-wire: 0 … 10 V / VS = 12.5 ... 32 VDC Performance Accuracy 1 Standard Option ≤ ± 0.35 % FSO ≤ ± 0.25 % FSO Long term stability ≤ ± 0.1 % FSO / year Influence effects supply: 0.05 % FSO / 10 V load: 0.05 % FSO / kΩ Permissible load current 2-wire: Rmax = [(VS – VS min) / 0.02 A] Ω voltage 3-wire: Rmin = 10 kΩ Turn-on time 700 msec Mean measuring rate 5 / sec Response time mean response time: ≤ 200 msec max. response time: 380 msec 1 accuracy according to IEC 60770 - limit point adjustment (non-linearity, hysterisis, repeatability) Thermal errors (offset and span) / -Permissible temperatures Thermal error ≤ ±0.1 % FSO / 10 K in compensated range - 20 ... 80°C 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 (20 ... 2000 Hz) according to DIN EN 60068-2-6 Shock 100 g / 1 msec according to DIN EN 60068-2-27 Materials Pressure port stainless steel 1.4404 Housing Standard compact field housing stainless steel 1.4404 stainless steel 1.4435 Seal (media wetted) FKM EPDM others on request Diaphragm Standard Option ceramic Al2O3 96 % ceramic Al2O3 99.9 % Media wetted parts pressure port, seals, diaphragm IS-protection (only for 4 … 20 mA / 2-wire) Approval DX 14-DMK 351 P male (connector)-version: zone 0: II 1 G Ex ia IIC T4 zone 20: II 1 D Ex IP6X T=85°C cable-version: zone 0: II 1 G EEx ia IIB T4 zone 20: II 1 D EEX IP6X T=85°C Safety technical maximum values Ui = 28 V, Ii = 93 mA, Pi = 660 mW, Ci = 27 nF, Li = 5 µH Max. permissible temperature for environment zone 0: -20 ... 60 °C for patm 0.8 bar up to 1.1 bar zone 1: -25 ... 70 °C Connecting cables (by factory) capacity: signal line / shield also signal line / signal line: 160 pF/m inductance: signal line / shield also signal line / signal line: 1 µH/m Miscellaneous Current consumption max. 21 mA Weight min. 200 g Installation position any Operational life > 100 x 106 loading cycles CE-conformity EMC-directive: 2004/108/EC DMK 351P Technical Data

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