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Catalogue Level EN_2016-01

50 www.bdsensors.com LMK 307T Stainless Steel Probe Technical Data Input pressure range Nominal pressure gauge [bar] 0,4 0,6 1 1,6 2,5 4 6 10 16 25 Level [mH2O] 4 6 10 16 25 40 60 100 160 250 Overpressure [bar] 1 2 2 4 4 10 10 20 40 40 Burst pressure > [bar] 2 4 4 5 5 12 12 25 50 50 Input temperature range Temperature measuring range standard 0 … 30 °C 0 … 50 °C 0 … 70 °C others on request1 1 min. temperature range: 30°C; max. temperature range: 80°C min. temperature: -10°C; max. temperature: 70 °C Output signal / Supply 2-wire (pressure) 2 4 ... 20 mA / VS = 10 ... 30 VDC 2-wire (temperature) 2 4 ... 20 mA / VS = 10 ... 30 VDC 2 the circuits are galvanically isolated from each other Performance Accuracy (pressure) 3 ≤ ± 0.5 % FSO Accuracy (temperature) 4 ≤ ± 1 °C 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 ≤ ± 0.3 % FSO / year at reference conditions Response time < 10 ms (for output signal 2-wire (pressure)) 3 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) 4 Pt 100 class B; compensation time up to 1h depending on constant temperature and environmental respectively mass conditions Thermal effects (Offset and Span) Thermal error ≤ ± 0.2 % FSO / 10 K in compensated range -25 … 70 °C Permissible temperatures Permissible temperatures medium: -10 ... 70 °C storage: -25 ... 70 °C Electrical protection 5 Short-circuit protection permanent Reverse polarity protection no damage, but also no function Electromagnetic compatibility emission and immunity according to EN 61326 5 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 6 PVC (-5 … 70 °C) grey PUR (-10 … 70 °C) black FEP7 (-10 … 70 °C) black others on request 6 cable with integrated air tube for atmospheric pressure reference 7 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 ceramics Al2O3 96% Protection cap POM Cable sheath PVC, PUR, FEP 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: 1µH/m Current consumption max. 25 mA Weight approx. 250 g (without cable) Ingress protection IP 68 CE-conformity EMC Directive: 2004/108/EC LMK 307T Technical Data Nominal pressure gauge [bar] 0,40,611,62,546101625 Level [mH2O] 461016254060100160250 Overpressure [bar] 122441010204040 Burst pressure > [bar] 244551212255050

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