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Catalogue Level EN_2016-01

86 LMK 858 Plastic Probe Technical Data Input pressure range Nominal pressure gauge [bar] 0.04 0.06 0.1 0.16 0.25 0.4 0.6 1 1.6 2.5 4 6 10 Level [mH2O] 0.4 0.6 1 1.6 2.5 4 6 10 16 25 40 60 100 Overpressure [bar] 2 2 4 4 6 6 8 8 15 25 25 35 35 Output signal / Supply Standard 2-wire: 4 ... 20 mA / VS = 9 ... 32 VDC option 3-wire: 0 ... 10 V / VS = 12.5 ... 32 VDC Performance Accuracy standard: option: IEC 60770 1 ≤ ± 0.35 % FSO ≤ ± 0.25 % FSO Permissible load Rmax = [(VS – VS min) / 0.02 A] Ω 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 response time < 200 msec measuring rate 5/sec Max. response time 380 msec 1 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) Thermal effects (Offset and Span) Thermal error ≤ ± 0.1 % FSO / 10 K in compensated range 0 ... 50 °C Permissible temperatures Permissible temperatures medium: -10 ... 50 °C electronic / environment: -10 ... 50 °C storage: -10 ... 50 °C Electrical protection 2 Short-circuit protection permanent Reverse polarity protection no damage, but also no function Electromagnetic compatibility emission and immunity according to EN 61326 2 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 3 PVC (-5 … 50 °C) grey PUR (-10 … 50 °C) black FEP4 (-10 … 50 °C) black Cable protection standard: without cable protection optional: prepared for mounting of a PVC pipe with diameter 25 mm 3 cable with integrated air tube for atmospheric pressure reference 4 do not use freely suspended probes with an FEP cable if effects due to highly charging processes are expected Materials (media wetted) Housing PVC grey Seals FKM / EPDM / others on request Diaphragm standard: ceramics Al2O3 96 % option: ceramics Al2O3 99.9 % Miscellaneous 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: 1 µH/m Current consumption max. 25 mA Weight approx. 400 g (without cable) Ingress protection IP 68 CE-conformity EMC Directive: 2004/108/EC Wiring diagram 2-wire-system (current) 3-wire-system (voltage) connector supply + supply – VS p I A supply + signal + VS p U supply – V LMK 858 Technical Data www.bdsensors.com Nominal pressure gauge [bar] 0.040.060.10.160.250.40.611.62.54610 Level [mH2O] 0.40.611.62.5461016254060100 Overpressure [bar] 224466881525253535 IEC 607701

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