LMK 458 H
5Pages

LMK 458H Nominal pressure from 0 ... 60 cmH2O up to 0 ... 200 mH2O Output signals Probe with HART®-communication for Marine and Offshore Ceramic Sensor The hydrostatic probe LMK 458H has been developed for measuring level in service and storage tanks and is certificated for shipbuilding and offshore applications. 2-wire: 4 ... 20 mA others on request Special characteristics ► shipping approvals acc. to: Lloyd's Register (LR), Det Norske Veritas ■ Germanischer Lloyd (DNV-GL) China Classification Society (CCS), American Bureau of Shipping (ABS) ► diameter 39.5 mm (setting of offset, span and damping) ► high overpressure resistance ► high long-term stability Optional versions ► IS-version Ex ia = intrinsically safe for gas and dust ► diaphragm AI2O3 99.9 % ► different housing materials (stainless steel, CuNiFe) ► screw-in and flange version probe flange, mounting clamp A permissible operating temperature up to 85°C and the possibility to use the device in intrinsic safe areas enable to measure the pressure of various fluids under extreme conditions. The basis for the LMK 458H is a self-developed capacitive ceramic sensor element, which offers a high overload resistance and medium compatibility. Preferred areas of use are Water drinking water abstraction desalinization plant Shipbuilding / Offshore ballast tanks draught monitoring level measurement in ballast and storage tanks www.bdsensors.de info@bdsensors.de BD SENSORS GmbH BD-Sensors-StraBe 1 D - 95199 Thierstein

LMK 458H Probe for Marine and Offshore Technical Data Wiring diagram 2-wire-system (current) HART® supply + Pin configuration Electrical connection Supply VS + Supply VS – Shield Dimensions for housing in stainless steel and CuNiFe (mm / in) probe screw-in version cable colours (IEC 60757) WH (white) BN (brown) GNYE (green-yellow) prepared for mounting with stainless steel pipe flange version transmitter flange is not part of supply and has to be ordered separately HART® is a registered trade mark of HART Communication Foundation; Windows® is a registered trade mark of Microsoft Corporation

Transmitter flange for flange version dimensions in mm Technical data Mounting flange with cable gland cable gland M16x1.5 with seal insert (for cable-0 4 ... 11 mm) n x d2 Flange material Material of cable gland Seal insert Hole pattern Ordering type all probes standard: brass, nickel plated material: TPE (ingress protection IP 68) on request: stainless steel 1.4305 (303); plastic DN25 / PN40 with cable gland brass, nickel plated DN50 / PN40 with cable gland brass, nickel plated DN80 / PN16 with cable gland brass, nickel plated

pressure measurement Housin Design stainless steel 1.4404 (316L) copper-nickel-alloy (CuNi10Fe1Mn) customer Diaphragm Output Seals probe flange version 2 screw-in version HART®-communication 4 ... 20 mA / 2-wire HART®-communication intrinsic safety 4 ... 20 mA / 2-wire customer FKM EPDM FFKM 3 customer Electrical connection TPE-U-cable (blue, 0 7.4 mm) 4 customer standard prepared for mounting with stainless steel pipe 5 customer 1 nominal pressure ranges sealed gauge and absolute from 1 bar 2 mounting accessories are not part of supply and have to be ordered separately 3 min. permissible...