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Catalogue Pressure Transmitter

91 www.bdsensors.com DMP 331P Industrial Pressure Transmitter Technical Data Input pressure range 1 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 1 consider the pressure resistance of fitting and clamps 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 2 standard: nominal pressure < 0.4 bar : ≤ ± 0.5 % FSO nominal pressure ≥ 0.4 bar: ≤ ± 0.35 % FSO option: nominal pressure ≥ 0.4 bar: ≤ ± 0.25 % 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 2 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) Thermal effects (Offset and Span) 3 / Permissible temperatures Nominal pressure PN [bar] -1 … 0 < 0.40 ≥ 0.40 Tolerance band [% FSO] ≤ ± 0.75 ≤ ± 1,5 ≤ ± 0.75 in compensated range [°C] -20 ... 85 0 ... 50 -20 ... 85 Permissible temperatures 4 medium: -40 ... 125 °C for filling fluid silicon oil -10 ... 125 °C for filling fluid food compatible oil electronics / environment: -40 ... 85 °C storage: -40 ... 100 °C Permissible temperature medium for cooling element 300°C filling fluid silicon oil overpressure: -40 … 300 °C vacuum: -40 ... 150 °C5 filling fluid food compatible oil overpressure: -10 ... 250 °C vacuum: -10 ... 150 °C5 3 an optional cooling element can influence thermal effects for offset and span depending on installation position and filling conditions. 4 max. temperature of the medium for nominal pressure gauge > 0 bar: 150 °C for 60 minutes with a max. environmental temperature of 50 °C 5 also for Pabs ≤ 1 bar 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 according to DIN EN 60068-2-6 G 1/2": 20 g RMS (25 ... 2000 Hz) others: 10 g RMS (25 … 2000 Hz) Shock according to DIN EN 60068-2-27 G 1/2": 500 g / 1 msec others: 100 g / 1 msec Filling fluids Standard silicon oil Options food compatible oil with FDA approval (Mobil DTE FM 32; Category Code: H1; NSF Registration No.: 130662) others on request Materials Pressure port stainless steel 1.4404 (316 L) others on request 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 Optional FKM (recommended for medium temperatures ≤ 200 °C) FFKM (recommended for medium temperatures > 200 °C) others on request Clamp, dairy pipe, Varivent® : without Diaphragm Standard Optional stainless steel 1.4435 (316 L) Hastelloy® C-276 (2.4819) Tantalum on request Media wetted parts pressure port, seal, diaphragm DMP 331P Technical Data

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