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Catalogue Level EN_2016-01

62 LMK 458 Hydrostatic Probe Technical Data Pressure ranges Nominal pressure 1 [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 Permissible vacuum [bar] -0.2 -0.3 -0.5 -1 1 available in gauge and absolute; nominal pressure ranges absolute from 1 bar Output signal / Supply Standard 2-wire: 4 ... 20 mA / VS = 9 ... 32 VDC VS rated = 24 VDC Option IS-version 2-wire: 4 ... 20 mA / VS = 14 ... 28 VDC VS rated = 24 VDC Performance Accuracy 2 standard: ≤ ± 0.25 % FSO option: for PN ≥ 0.6 bar 3 : ≤ ± 0.1 % FSO Permissible load Rmax = [(VS – VS min) / 0.02 A] Ω Long term stability ≤ ± 0.1 % FSO / year at reference conditions Influence effects supply: 0.05 % FSO / 10 V permissible load: 0.05 % FSO / kΩ Turn-on time 700 msec Mean response time < 200 msec mean measuring rate 5/sec Max. response time 380 msec 2 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) 3 Under the influence of disturbance burst according to EN 61000-4-4 (2004) +2 kV accuracy decreased to ≤ ± 0.25 % FSO. Thermal effects / Permissible temperatures Thermal error ≤ ± 0.1 % FSO / 10 K in compensated range -20 … 80 °C Permissible temperatures medium / electronics / environment: -25 ... 125 °C storage: -40 ... 125 °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 outlet shielded cable with integrated air tube for atmospheric reference (for nominal pressure ranges sealed gauge and absolute, the air tube is plugged) Materials Housing standard: stainless steel 1.4404 (316L) option: CuNi10Fe1Mn (resistant against sea water) others on request Seals (media wetted) standard: FKM options: EPDM, FFKM (min. permissible temperature from -15 °C) others on request Diaphragm standard: ceramics Al2O3 96 % option: ceramics Al2O3 99.9 % Cable sheath TPE -U (flame-resistant, halogen free, increased resistance against oil and gasoline, resistant against salt, sea water, heavy oil) Miscellaneous Optionally 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 Option Pt 100 temperature element 5 Temperature range -25 ... 125°C Connection temperature element 3-wire Resistance 100 Ω at 0°C Temperature coefficient 3850 ppm/K Supply IS 0.3 ... 1.0 mA DC Category of the environment Lloyd´s Register (LR) EMV1, EMV2, EMV3, EMV4 number of certificate: 13/20055 Germanischer Lloyd (GL) D, EMC 1 number of certificate: 60 481 - 09 HH Det Norske Veritas (DNV) temperature: D humidity: B vibration: B electromagnetic compatibility: B number of certificate: A-12144 IS-protection Approval DX14A-LMK 458 IBExU 07 ATEX 1180 X zone 0: II 1G Ex ia IIB T4 Ga Safety technical maximum values Ui = 28 V, Ii = 93 mA, Pi = 660 mW, Ci = 105 nF; Li = 5 µH; the supply connections have an inner capacity of max. 140 nF opposite the enclosure Permissible temp.for environment in zone 0 6 : -20 ... 60°C with patm 0.8 bar up to 1.1 bar zone 1 and higher: -25 ... 70°C Connecting cables (by factory) cable capacity: signal line/shield as well as signal line/signal line: 160 pF/m cable inductance: signal line/shield as well as signal line/signal line: 1 µH/m 5 only for 4...20mA, cable lenght max. 5m 6 for optional stainless steel pipe the following designation is valid: "II 1 G Ex ia IIC T4" (zone 0) LMK 458 Technical Data [bar] 0.040.060.10.160.250.40.611.62.546101620 Level [mH2O] 0.40.611.62.5461016254060100160200 Overpressure [bar] 2244668815252535354545 Germanischer Lloyd (GL) D, EMC 1 number of certificate: 60481 - 09 HH Permissible temp.for environment in zone 06

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