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The hydrostatic probe LMK 487 has been developed for measuring levels in various tankm applications for shipbuilding and offshore. In comparison to the hydrostatic probe LMK 458 the external diameter amounts to only 22 mm by which the installation in 1" pipes can be carried out easily. Beside the housing materials stainless steel and titanium, different elastomer materials are available by which an optimum adaptation to the application can be ensured. Features: — nominal pressure: 0 ... 1 mH2O up to 0 ... 100 mH2O — accuracy: 0.25 % FSO — output signal 4 ... 20mA / 2-wire — diameter 22 mm — shipping approvals: ABS, LR, DNV, GL, CCS — high long term stability — diaphragm ceramics Al2O3 (99.9 %) Optional Features — IS-version Ex ia = intrinsically safe for gases and dusts — housing material titanium — temperature element Pt 100 — different kinds of elastomer

The stainless steel probe LMK 387H was developed for level and gauge measurement in wastewater, sludge or water courses. The mechanical robustness of the flush ceramic diaphragm facilitates an easy disassembly and cleaning of the probe in case of service. The outer diameter is only 22 mm, whereby the installation or retrofitting can be easily carried out in 1 "pipes or in confined installation conditions. In addition to an intrinsically safe version (zone 0), a version with temperature signal is available. Features: —nominal pressure: from 0 … 1 mH2O up to 0 … 100 mH2O —accuracy: 0.35 % (opt. 0.25 %) FSO —diameter 22 mm —HART® communication (setting of offset, span and damping) —diaphragm ceramics 99,9% Al2O3 —especially for waste water Optional features: — IS-version Ex ia = intrinsically safe for gas and dust — housing material titanium — temperature element Pt 100 — different kinds of elastomer