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Catalogue Level EN_2016-01

18 LMK 458H Hydrostatic Probe Technical Data Pressure ranges Nominal pressure 1 [bar] 0.06 0.16 0.4 1 2 5 10 20 Level [mH2O] 0.6 1.6 4 10 20 50 100 200 Overpressure [bar] 2 4 6 8 15 25 35 45 1 On customer request we adjust the devices by software on the required pressure ranges, within the turn-down possibility (starting at 0.02 bar). Output signal / Supply Standard 2-wire: 4 ... 20 mA / VS = 12 ... 36 VDC with HART communication VS rated = 24 VDC Option IS-version 2-wire: 4 ... 20 mA / VS = 14 ... 28 VDC with HART communication VS rated = 24 VDC Performance Accuracy 2 PN ≥ 160 mbar TD ≤ 1:5 ≤ ± 0.2 % FSO TD > 1:5 ≤ ± [0.2 + 0.03 x TD] % FSO TDmax = 1:10 PN < 160 mbar ≤ ± [0.2 + 0.1 x TD] % FSO TDmax = 1:3 PN ≥ 1 bar TD ≤ 1:5 ≤ ± 0.1 % FSO TD > 1:5 ≤ ± [0.1 + 0.02 x TD] % FSO TDmax = 1: 10 Permissible load Rmax = [(VS - VS min) / 0.02 A] Ω load at HART -communication: Rmin = 250 Ω Long term stability ≤ ± (0.1 x turn-down) FSO / year at reference conditions Influence effects supply: 0.05 % FSO / 10 V permissible load: 0.05 % FSO / kΩ Turn-on time 850 msec Mean response time 140 msec without consideration of electronic damping mean measuring rate 7/sec Max. response time 380 msec Adjustability configuration of following parameters possible (interface / software necessary 3 ): - electronic damping: 0 ... 100 sec - offset: 0 ... 80 % FSO - turn down of span: max. 1:10 2 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) 3 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 ≤ ± [0.2 x turn-down] % FSO TC, average ≤ ± [0.02 x turn-down] % FSO / 10 K in compensated range -20 … 80 °C Permissible temperatures medium: -25 … 85 °C electronics / environment: -25 … 85 °C storage: -25 … 85 °C Electrical protection 4 Short-circuit protection permanent Reverse polarity protection no damage, but also no function Electromagnetic compatibility emission and immunity according to - EN 61326 - Germanischer Lloyd (GL) - Det Norske Veritas (DNV) 4 additional external overvoltage protection unit in terminal box KL 1 or KL 2 with atmospheric pressure reference available Mechanical stability Vibration 4 g (according to GL: curve 2 / according to DNV: Class B / basis: DIN EN 60068-2-6) Electrical connection Cable shielded cable with integrated air tube for atmospheric reference (for nominal pressure ranges abso- lute, the air tube is closed) Materials (media wetted) Housing standard: stainless steel 1.4404 (316L) option: CuNi10Fe1Mn (resistant against sea water) others on request Cable sheath TPE -U (flame-resistant, halogen free, increased resistance against oil and gasoline, resistant against salt, sea water, heavy oil) Seals FKM; FFKM; EPDM others on request Diaphragm standard: ceramics Al2O3 96 % option: ceramics Al2O3 99.9 % Nose cone POM Miscellaneous Cable protection stainless steel pipe for probe in stainless steel: available as compact product (standard: stainless steel pipe with a total length up to 2 m possible; other lengths on request) Ingress protection IP 68 Current consumption max. 21 mA Weight min. 650 g (without cable) CE-conformity EMC Directive: 2004/108/EC Category of the environment Lloyd´s Register (LR) EMV1, EMV2, EMV3, EMV4 number of certificate: 13/20056 Germanischer Lloyd (GL) D, EMC 1 number of certificate: 19 777 - 11 HH Det Norske Veritas (DNV) temperature: D humidity: B vibration: B electromagnetic compatibility: B number of certificate: A-12144 LMK 458 H Technical Data www.bdsensors.com [bar] 0.060.160.41251020 Level [mH2O] 0.61.64102050100200 Overpressure [bar] 246815253545 Germanischer Lloyd (GL) D, EMC 1 number of certificate: 19777 - 11 HH

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