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Catalogue Pressure Transmitter

31 www.bdsensors.com DMP 331i / DMP 333i / LMP 331i Precision Pressure Transmitter / Screw-in Transmitter Technical Data Pressure ranges DMP 331 i 1 Nominal pressure gauge / absolute [bar] 0.4 1 2 4 10 20 40 Overpressure [bar] 2 5 10 20 40 80 105 Burst pressure [bar] 3 7,5 15 25 50 120 210 1 On customer request we adjust the device within the turn-down-possibility by software on the required pressure range. Vacuum ranges Nominal pressure [bar] -0.4 ... 0.4 -1 ... 1 -1 ... 2 -1 ... 4 -1 ... 10 Overpressure [bar] 2 5 10 20 40 Burst pressure [bar] 3 7.5 15 25 50 Pressure ranges DMP 333 i 1 Nominal pressure gauge / absolute [bar] 60 100 200 400 600 Overpressure [bar] 210 210 600 1000 1000 Burst pressure [bar] 420 420 1000 1250 1250 1 On customer request we adjust the device within the turn-down-possibility by software on the required pressure range. Pressure ranges LMP 331 i 1 Nominal pressure gauge / absolute [bar] 0.4 1 2 4 10 20 40 Level gauge [mH2O] 4 10 20 40 100 200 400 Overpressure [bar] 2 5 10 20 40 80 105 Burst pressure [bar] 3 7.5 15 25 80 120 210 1 On customer request we adjust the device within the turn-down-possibility by software on the required pressure range. Output signal / Supply Standard 2-wire: 4 ... 20 mA / VS = 12 ... 36 VDC Option IS-protection 2-wire: 4 ... 20 mA / VS = 14 ... 28 VDC Options 2-wire: 4 ... 20 mA with communication interface 2 3-wire: 0 ... 10 V / VS = 14 ... 36 VDC 0 ... 10 V with communication interface 2 2 only possible with el. connection Binder series 723 (7-pin) Performance Accuracy performance after turn-down - TD ≤ 1:5 - TD > 1:5 IEC 60770 3 : ≤ ± 0.1 % FSO no change of accuracy 4 for calculation use the following formula (for nominal pressure ranges ≤ 0.40 bar see note 3): ≤ ± [0.1 + 0.015 x turn-down] % FSO with turn-down = nominal pressure range / adjusted range e.g. with a turn-down of 1:10 following accuracy is calculated: ≤ ± (0.1 + 0.015 x 10) % FSO i.e. accuracy is ≤ ± 0.25 % FSO Permissible load current 2-wire: Rmax = [(VS – VS min) / 0.02 A] 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 x turn-down) % FSO / year Response time approx. 5 msec Adjustability configuration of following parameters possible (interface / software necessary 5 ): - electronic damping: 0 ... 100 sec - offset: 0 ... 90 % FSO - turn down of span: max. 1:10 3 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) 4 except nominal pressure ranges ≤ 0 .40 bar; for these calculation of accuracy is as follows: ≤ ± (0.1 + 0.02 x turn-down) % FSO e.g. turn-down of 1:3: ≤ ± (0.1 + 0.02 x 3 ) % FSO i.e. accuracy is ≤ ± 0.16 % FSO 5 software, interface, and cable have to be ordered separately (software appropriate for Windows ® 95, 98, 2000, NT Version 4.0 or higher, and XP) Thermal effects (Offset and Span) / Permissible temperatures Tolerance band [% FSO] ≤ ± (0.2 x turn-down) in compensated range -20 ... 80 °C TC, average [% FSO / 10 K] ± (0.02 x turn-down) in compensated range -20 ... 80 °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 DMP 331i / DMP 333i / LMP 331i Technical Data

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