LMK 307 Stainless Steel Probe Ceramic Sensor accuracy according to IEC 60770: 0.5 % FSO Nominal pressure The level transmitter LMK 307 is designed for continuous level measurement in water or waste water applications. Basic element is a flush mounted ceramic sensor. Suitable for all fluids which are compatible with media wetted materials. Different cable and elastomer materials can be offered according to the customer-specific operating conditions. Special characteristics good linearity excellent long term stability easy handling Water drinking water systems ground water monitoring storm water systems IS-version Ex ia = intrinsically safe for gas and dust SIL 2 (Safety Integrity Level) according to IEC 61508 / IEC 61511 different kinds of cables and elastomers Sewage waste water treatment water recycling dumpsite customer specific versions e. g. special pressure ranges BD SENSORS GmbH BD-Sensors-Straße 1 D - 95199 Thierstein Fuel and oil fuel storage tank farm biogas plants

LMK 307 Stainless Steel Probe Technical Data Input pressure range Nominal pressure gauge [bar] 0.4 Level [mH2O] 4 Overpressure [bar] 2 Burst pressure ≥ [bar] 4 Max. ambient pressure (housing): 40 bar Output signal / Supply Standard Option IS-version Options 3-wire Performance Accuracy 1 Permissible load Influence effects Response time 1 ≤ ± 0.5 % FSO current 2-wire: Rmax = [(VS – VS min) / 0.02 A] Ω current 3-wire: Rmax = 500 Ω voltage 3-wire: Rmin = 10 k Ω supply: 0.05 % FSO / 10 V ≤ 10 msec permanent no damage, but also no function emission and immunity according to EN 61326 PVC ( -5 … 70 °C)...

LMK 307 Stainless Steel Probe Technical Data Wiring diagrams 2-wire-system (current) Pin configuration Electrical connection cable colours (IEC 60757) WH (white) BN (brown) GN (green) GNYE (green-yellow) Supply + Supply – Signal + (only 3-wire) Shield Dimensions (mm / in) Accessories Terminal clamp Technical data Suitable for all probes with cable ∅ 5.5 ... 10.5 mm Material of housing standard: steel, zinc plated optionally: stainless steel 1.4301 (304) Material of clamping jaws PA (fibre-glass reinforced) and positioning clips Dimensions (mm) 174 x 45 x 32 Hook diameter 20 mm Weight Ordering...

FEP-cable (black, Ø 7.4 mm) 5m 10 m special length in m Special version standard customer PUR-cable (black, Ø 7.4 mm) 3m 5m 10 m 15 m special length in m stainless steel 1.4404 (316L) customer Diaphragm ceramics Al2O3 96 % customer Output 4 … 20 mA / 2-wire 0 … 20 mA / 3-wire 0 … 10 V / 3-wire intrinsic safety 4 … 20 mA / 2-wire SIL2 4 … 20 mA / 2-wire SIL2 with intrinsic safety 4 … 20 mA / 2-wire customer Seal FKM EPDM customer Accuracy 0.5 % FSO customer Electrical connection / cable length PVC-cable (grey, Ø 7.4 mm) 3m 5m 10 m 15 m special length in m shielded cable with integrated ventilation...