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Catalogue Level EN_2016-01

10 LMP 308i Precision Stainless Steel Probe Technical Data Input pressure range 1 Nominal pressure gauge [bar] 0.40 1 2 4 10 20 Level [mH2O] 4 10 20 40 100 200 Overpressure [bar] 2 5 10 20 40 80 Burst pressure [bar] 3 7.5 15 25 50 120 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 with RS-232 communication interface Option IS-protection 2-wire: 4 ... 20 mA / VS = 14 ... 28 VDC Options 3-wire: 0 ... 10 V / VS = 14 ... 36 VDC Performance Accuracy Performance after turn-down (TD) - TD ≤ 1:5 - TD > 1:5 IEC 60770 2 : ≤ ± 0.1 % FSO no change of accuracy 3 formula for accuracy calculating (for nominal pressure gauge ≤ 0.40 bar see note 3): ≤ ± [0.1 + 0.015 x turn-down] % FSO with turn-down = nominal pressure range / adjusted range e.g. follwing accuracy can be calculated for turn-down 1:10: ≤ ± (0.1 + 0.015 x 10) % FSO viz. the 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 at reference conditions Response time ca. 200 msec Adjustability following parameters can be adjusted (interface / software needed 4 ) electronic damping: 0 ... 100 sec offset: 0 ... 90 % FSO turn-down of span: max. 1:10 2 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) 3 nominal pressure gauges ≤ 0,40 bar are excluded; for these the calculation of accuracy is as follows: ≤ ± (0.1 + 0.02 x turn-down) % FSO e.g. torn-down 1:3: ≤ ± (0.1 + 0.02 x 3 ) % FSO viz. the accuracy is ≤ ± 0.16 % FSO 4 software, interface and cable must separate be ordered (software is compatible with Windows® 95, 98, 2000, NT from version 4.0 or higher and XP) Thermal effects (Offset and Span) Tolerance band [% FSO] ≤ ± (0.2 x turn-down) in compensated range -20 ... 70 °C TC [% FSO / 10 K] ± (0.2 x turn-down) in compensated range -20 ... 70 °C Permissible temperatures medium: -20 ... 70 °C storage: -25 ... 70 °C electronics / enviroment: -25 ... 65 °C Electrical protection 5 Short-circuit protection permanent Reverse polarity protection no damage, but also no function Electromagnetic compatibility emission and immunity according to EN 61326 5 additional external overvoltage protection unit in terminal box KL 1 or KL 2 with atmospheric pressure reference available on request Electrical connection Cable with sheath material 6 PVC (-5 … 70 °C) grey PUR (-20 … 70 °C) black FEP7 (-20 … 70 °C) black others on request 6 cable with integrated air tube for atmospheric pressure reference 7 do not use freely suspended probes with an FEP cable if effects due to highly charging processes are expected Materials (media wetted) Housing stainless steel 1.4404 (316L) Seals FKM, EPDM, others on request Diaphragm stainless steel 1.4435 (316L) Protection cap POM Explosion protection (only for 4 ... 20 mA / 2-wire) Approvals DX19-LMP 308 i 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 Ambient temperature range in zone 0: -20 ... 60 °C with patm 0.8 bar up to 1.1 bar in zone 1 or higher: -20 ... 65 °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 Miscellaneous Current consumption signal output current: max. 25 mA Weight approx. 250 g (without cable) Ingress protection IP 68 CE-conformity EMC Directive: 2004/108/EC LMP 308i Technical Data www.bdsensors.com Nominal pressure gauge [bar] 0.401241020 Level [mH2O] 4102040100200 Overpressure [bar] 2510204080 Burst pressure [bar] 37.5152550120 IEC 607702

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