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Catalogue Level EN_2016-01

98 LMK 351 Screw-in Transmitter Technical Data Pressure ranges Nominal pressure [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 Level [mH2O] 0.4 0.6 1 1.6 2.5 4 6 10 16 25 40 60 100 160 200 Overpressure [bar] 2 2 4 4 6 6 8 8 15 25 25 35 35 45 45 Low pressure [bar] -0.2 -0.3 -0.5 -1 Output signal / Supply Standard 2-wire: 4 ... 20 mA / VS = 9 ... 32 VDC Option Ex-version 2-wire: 4 ... 20 mA / VS = 14 ... 28 VDC Option 3-wire 3-wire: 0 ... 10 V / VS = 12.5 ... 32 VDC Performance Accuracy1 standard: ≤ ± 0.35 % FSO option for PN ≥ 0.6 bar: ≤ ± 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 % FSO / year at reference conditions Turn-on time 700 msec Mean measuring time 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 effects (Offset and Span) / -Permissible temperatures Tolerance band ≤ ±0.1 % FSO / 10 K in compensated range - 20 ... 80 °C Permissible temperatures 2 medium: -40 ... 125 °C electronics / environment:-40 ... 85 °C storage: -40 ... 100 °C 2 for pressure port of PVDF the minimum permissible temperature is -30 °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 (media wetted) Pressure port standard: stainless steel 1.4404 (316L) option: PVDF Housing standard: stainless steel 1.4404 (316L) option: PVDF Seals FKM -40 ... 125 °C FFKM -15 ... 125 °C EPDM -40 ... 125 °C Diaphragm standard: ceramics Al2O3 96 % options: ceramics Al2O3 99.9 % Media wetted parts pressure port, seals, diaphragm IS-protection (only for 4 … 20 mA / 2-wire) Approval DX14-LMK 351 IBExU05ATEX1070 X stainless steel-pressure port with male (connector): Zone 0: II 1G Ex ia IIC T4 Ga Zone 20: II 1D Ex ia IIIC T85 °C Da plastic-pressure port with male (connector): Zone 0/1 3 : II 1/2G Ex ia IIC T4 Ga/Gb Zone 20/21 4 : II 1/2D Ex ia IIIC T85 °C Da/Db Safety technical maximum values Ui = 28 V, Ii = 93 mA, Pi = 660 mW, Ci = 27 nF , Li = 5 µH Max. permissible temperature for environment in zone 0: -20 ... 60 °C for patm 0.8 bar up to 1.1 bar zone 1 and higher: -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 3 The designation depends on the used pressure range. With nominal pressure ranges ≤ 60 mbar the designation is „2G“. 4 With nominal pressure ranges > 60 mbar and < 10 bar (see item 17 of the type-examination certificate) must be attended! Miscellaneous Current consumption signal output current: max. 21 mA signal output voltage: max. 5 mA Weight approx. 200 g Installation position any Operational life > 100 x 106 loading cycles CE-conformity EMV-directive: 2004/108/EC ATEX Directive 94/9/EC LMK 351 Technical Data www.bdsensors.com Nominal pressure [bar] 0.040.060.10.160.250.40.611.62.546101620 Level [mH2O] 0.40.611.62.5461016254060100160200 Overpressure [bar] 2244668815252535354545 Zone 0/13 Zone 20/214

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