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Catalogue Differential Pressure

16 www.bdsensors.com DMD 341 Differential Pressure Transmitter Technical Data Input pressure range Nominal pressure PN [mbar] (over, differential pressure) 0...6 0...10 0...20 0...40 0...60 0...100 0...160 0...250 0...400 0...600 0...1000 Nominal pressure PN symmetric (differential pressure) [mbar] ± 6 ± 10 ± 20 ± 40 ± 60 ± 100 ±160 ± 250 ± 400 ± 600 ±1000 Overpressure [mbar] 100 100 200 350 350 1000 1000 1000 1000 3000 3000 Output signal / Supply Standard standard pressure range: 2-wire: 4 ... 20 mA / VS = 8 ... 32 VDC Options 3-wire standard pressure range: 3-wire: 0 ... 20 mA / VS = 14 ... 30 VDC 0 ... 10 V / VS = 14 ... 30 VDC Performance Accuracy 1 PN > 160 mbar: ≤ ± 0.35 % FSO 40 mbar ≤ PN ≤ 160 mbar: ≤ ± 1 % FSO PN < 40 mbar: ≤ ± 2 % 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 ≤ ± 0.2 % FSO / year Response time < 5 msec 1 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) Thermal effects (Offset and Span) / Permissible temperatures Nominal pressure PN [mbar] ≤ 10 ≤ 20 ≤ 250 > 250 Tolerance band [% FSO] ≤ ± 2 ≤ ± 1.5 ≤ ± 1 ≤ ± 0.5 TC, average [% FSO / 10 K] ± 0.3 ± 0.25 ± 0.15 ± 0.08 in compensated range 0 ... 60 °C Permissible temperatures medium: -25 ... 125 °C electronics / environment: -25 ... 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) Shock 100 g / 11 msec Materials Pressure port G1/8“ internal: aluminium, silver anodized flexible tube connection Ø6.6 x 11: brass, nickel plated Housing aluminium, silver anodised Seal (media wetted) PUR, bonded Sensor silicon, glass, RTV, ceramics Al2O3, nickel Media wetted parts pressure port, housing, seal, sensor Miscellaneous 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: 1µH/m Current consumption signal output current: max. 25 mA signal output voltage: max. 7 mA Weight approx. 250 g Operational life > 100 x 106 pressure cycles CE-conformity EMC Directive: 2004/108/EC Pin configuration Electrical connection ISO 4400 M12x1 (4-pin) cable colours (DIN 47100) Supply + Supply – Signal + (only 3-wire) 1 2 3 1 2 3 white brown green Shield ground pin 4 yellow / green DMD 341 Technical Data

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