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Catalogue Level EN_2016-01

66 LMK 358 Stainless Steel 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 IS-protection 2-wire: 4 ... 20 mA / VS = 14 ... 28 VDC Option 3-wire 3-wire: 0 ... 10 V / VS = 12.5 ... 32 VDC Performance Accuracy 1 standard: ≤ ± 0.35 % FSO option: ≤ ± 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 ... 70 °C Permissible temperatures Permissible temperatures medium: -25 ... 125 °C electronic / environment: -25 ... 125 °C storage: -40 ... 125 °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 … 70 °C) grey PUR (-25 … 70 °C) black FEP4 (-25 … 70 °C) black TPE (-25 … 125 °C) blue 3 shielded 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 stainless steel 1.4404 (316L) Seals FKM EPDM others on request Diaphragm standard: ceramics Al2O3 96 % option: ceramics Al2O3 99.9 % Nose cone POM Explosion protection (only for 4 ... 20 mA / 2-wire) Approval DX14-LMK 358 IBExU05ATEX1070 X Zone 0 5 : II 1G Ex ia IIB T4 Ga Zone 20: II 1D Ex ia IIIC T85 °C Da Safety technical maximum values Ui = 28 V, Ii = 93 mA, Pi = 660 mW, Ci = 27 nF, Li = 5 µH Permissible temperature -25 ... 70 °C Connecting cables (by factory) cable capacitance: signal line/shield also signal line/signal line: 100 pF/m cable inductance: signal line/shield also signal line/signal line: 1 µH/m 5 for optional stainless steel pipe following designation is valid: "II 1G Ex ia IIC T4 Ga" (zone 0) Miscellaneous Current consumption max. 21 mA Weight approx. 650 g (without cable) Ingress protection IP 68 CE-conformity EMC Directive: 2004/108/EC LMK 358 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 Zone 05

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