Level probes - Import export

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

The detachable plastic submersible probe LMK 808 was developed for level measurement in water and wastewater. The basis of the probe is an extremely robust, almost maintenance-free capacitive ceramic sensor. For level measurement in river courses, on weir systems or in locks, great emphasis was placed on overvoltage / lightning protection. In addition, the cable can be protected against bites if necessary. The sensor head can be separated from the cable part and can therefore be replaced if necessary without time-consuming assembly work. Features: — nominal pressure: 0 ... 1 mH2O bis 0 ... 100 mH2O — accuracy: 0.35 % (opt. 0.25 %) FSO — diameter 35 mm — diaphragm ceramics Al2O3 (99.9 %) — excellent long term stability — integrated lightning protection 8 kA gas discharge tube (8/20µsec); 4 kV surge l-l/l-e according to EN61000-4-5 Optional Features: — mounting accessories — different kinds of elastomer

The separable plastic immersion probe LMK 858 was designed for level measurement in aggressive media, desalination plants and for use in more viscous media such as sludge. Since the area of application is often outside a building, great emphasis was placed on high surge / lightning protection. The immersion probe is based on an extremely robust and precise pressure sensor, the membrane of which consists of a high-purity ceramic. Another special feature of the LMK 858 is the separability of the probe head and cable part. Features: — nominal pressure: 0 ... 40 cmH2O up to 0 ... 100 mH2O — accuracy: 0.35 % (opt. 0.25 %) FSO — diameter 45 mm — chemical resistance — housing PP-HT — integrated lightning protection and increased overvoltage protection; 8 kA gas discharge tube (8/20 μsec); 4 kV surge l-l/l-e according to EN61000-4-5 Optional Features: — cable protection — diaphragm pure ceramic (99.9 % AI2O3)

The LMK 458 has been developed for measuring level in service and storage tanks and is as a consequence certificated for shipbuilding and offshore applications. A permissible operating temperature of up to 125 °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 458 is a capacitive ceramic sensor element designed by BD\SENSORS, which offers a high overload resistance and medium compatibility. Features: — nominal pressure: 0 ... 40 cmH2O up to 0 ... 200 mH2O — accuracy: 0.35 % (opt. 0.1 %) FSO — diameter 39.5 mm — high overpressure capability — high long term stability — shipping approvals: ABS, BV, CCS, DNV, GL, LR Optional Features: — IS-version — diaphragm pure ceramic (99.9% AI2O3) — different housing materials (stainless steel, CuNiFe) — screw-in and flange version — accessoires

The separable stainless steel probe LMP 308 is designed for the continually level measurement of water and thin fluids. In order to facilitate stock-keeping and mainten-ance the transmitter head is plugged to the cable assembly with a connector and can be changed easily. Features: — nominal pressure: 0 ... 1 mH2O up to 0 ... 250 mH2O — accuracy: 0.35 % (opt. 0.25% / 0.1 %) FSO — diameter 35 mm — cable and sensor section separable — excellent long term stability — high accuracy Optional Features: — IS-version Ex ia = intrinsically safe for gas and dust — SIL 2 (Safety integrity level) — customer specific versions — mounting accessoires as cable gland and terminal clamp of stainless steel — different kinds of cables — different kinds of seal materials

The slimline probe LMP 305 with silicon stainless steel sensor is designed for continous level measurement in confined space conditions. Permissible media are clean or waste water and thin fluids. A piezoresistiv stainless steel sensor with low thermal error, an excellent linearity and a long term stability, is basis of LMP 305. Features: — nominal pressure: 0 ... 1 mH2O up to 0 ... 250 mH2O — accuracy: 0,35 % (opt. 0,25 %) FSO — diameter 19 mm for cramped areas e.g. 1" observation well — small thermal effect — excellent linearity — excellent long term stability Optional Features: — different kinds of cable — customer specific versions e.g. special pressure ranges

The plastic submersible probe LMK 807 is designed for continous level measurement for waste water or and different aggressive media. Basic element of the plastic submersible probe is the flush mounted ceramic sensor, which makes cleaning easier when solid parts of the medium deposit on it. Different cable and elastomer materials are available in order to achieve maximum media compatibility. Features: — nominal pressure: 0 ... 4 mH2O up to 0 ... 100 mH2O# — accuracy: 0.5 % FSO — diameter 35 mm — excellent long term stability — easy handling Optional Features: — SIL 2 (safety integrity level) according to IEC 61508 / IEC 61511 — different kinds of cables and elastomeres — customer specific version e.g. special pressure ranges

The separable stainless steel probe LMK 358H has been designed for level measurement in waste water, waste and higher viscosity media. Basic element is a capacitive ceramic sensor. In order to facilitate stock-keeping and maintenance the transmitter head is plugged to the cable assembly with a connector and can be changed easily. Features: — nominal pressure range 0 ... 60 cmH2O up to 0 ... 100 mH2O — accuracy: 0.1 % — diameter 39.5 mm — cable and sensor section separable — HART®-communication (setting of offset. span and damping) — permissible temperatures up to 85 °C — high long term stability Optional Features: — IS-version Ex ia = intrinsically safe for gas and dust — cable protection via corrugated pipe — diaphragm (AI2O3 99.9 %) — accessories e.g. mounting flange with cable gland and terminal clamp

The stainless steel probe LMK 387 was developed for level and gauge measurement in wastewater, sludge or water courses. The mechanical robustness of the front-flush ceramic diaphragm faciliates an easy disassembly and cleaning of the probe in case of service. Compared to the level probe LMK 382 the outside-diameter is only 22 mm, which allows an easy installation and backfitting in 1" tubes or in cramped fitting conditions. An IS-version is also available. Features: — nominal pressure: from 0 ... 4 mH2O up to 0 ... 100 mH2O — accuracy: 0.35 % (opt. 0.25 %) FSO — diameter 22 mm — diaphragm ceramics 99.9% Al2O3 (on request) — highly appropriated for wastewater, sludge and viscous media Optional Features: — IS-version — housing material titanium — drinking water certificate according to DVGW and KTW — temperature element Pt 100 — mounting with stainless steel tube — different kinds of cables and elastomers

The stainless steel probe LMP 307 is designed for continuous level measurement in water and clean or waste fluids. Basic element is a high quality stainless steel sensor with high requirements for exact measurement with excellent long term stability. Features: — nominal pressure: 0 ... 1 mH2O up to 0 ... 250 mH2O — accuracy: 0,35 % (opt. 0,25% / 0,1 %) FSO — diameter 26,5 mm — small thermal effect — excellent long term stability — high accuracy Optional Features: — IS-version Ex ia = intrinsically safe for gas and dust — SIL 2 (safety integrity level) — drinking water certificate acc. to DVGW and KTW — different kinds of cables and elastomers — petrol version, welded pressure sensor and housing — mounting with stainless steel pipe

—hydrostatic immersion probe for continuous level measurement up to 20 meters with analog output. —measuring probe is inserted from the top, the cable can be led along the tank wall —for high tanks with agitators —suitable for adhesive, contaminated and highly viscous media —independent of foam formation and media movement —for continuous level measurement

The level sensors of the 46X-Ei series combine a ceramic measuring cell for very low measuring ranges on the mbar scale with microprocessor electronics for compensating for temperature dependence and nonlinearity. In addition to the digital RS485 interface, the sensors also have a rangeable analog output. Intrinsically safe – suitable for use in explosive atmospheres.

In the high-precision level pressure transmitters of the 36XW-Ei series, the temperature dependence and nonlinearity are precisely compensated for in the microcontroller by means of a mathematical model. In addition to the RS485 interface, the measurement results can also be output via the integrated D/A converter as a rangeable analog signal. Extended lightning protection is also available as an option. Intrinsically safe – suitable for use in explosive atmospheres.

The level sensors of the 26Y-Ei series are budget-friendly, but still offer high accuracy and excellent long-term stability. They are available in versions for absolute or relative pressure. With a start-up time of just 5 ms, the Y line is ideally suited to data logger applications. Intrinsically safe – suitable for use in explosive atmospheres.

With a small diameter of just 16 mm, these level sensors are ideally suited to use in small spaces, such as narrow monitoring pipes. The measurement results can be read out via the 4...20 mA output or the RS485 interface. Extended lightning protection is integrated as standard.

The high-precision level sensors of the 36XiW series measure with ultra-high accuracy and resolution. Temperature dependence and nonlinearity are precisely compensated for in the microprocessor by means of a mathematical model. They can be supplied with either an RS485 or SDI-12 interface. In addition to the pressure sensor for the level measurement, it is also possible to integrate a Pt1000 that is calibrated to ±0,1 °C from 0...50 °C. Extended lightning protection comes as standard with the SDI-12 interface and is available as an option for the RS485 interface.

The level sensors of the 46X series combine a ceramic measuring cell for very low measuring ranges on the mbar scale with microprocessor electronics for compensating for temperature dependence and nonlinearity. In addition to the digital RS485 interface, the sensors also have a rangeable analog output.

The level sensors of the 26Y series are budget-friendly, but still offer high accuracy and excellent long-term stability. They are available in versions for absolute or relative pressure. With a start-up time of just 5 ms, the Y line is ideally suited to data logger applications.

In the high-precision level sensors of the 36XW series, the temperature dependence and nonlinearity are precisely compensated for in the microcontroller by means of a mathematical model. In addition to the RS485 interface, the measurement results can also be output via the integrated D/A converter as a rangeable analog signal. Extended lightning protection is also available as an option.

The high-precision multi-parameter probes of the 36XiW-CTD series measure conductivity and temperature as well as pressure, along with the depth of bodies of water. Temperature dependence and nonlinearity are precisely compensated for in the microcontroller by means of a mathematical model. The integrated Pt1000 achieves an accuracy of ±0,1 °C, and the conductivity can be measured at ± 2,5% of the selected range (0,2 / 2 / 20 / 200 mS/cm). The sensors can be supplied with either an RS485 or SDI-12 interface. Extended lightning protection comes as standard with the SDI-12 and is available as an option for the RS485 interface.

Calibration software for the conductivity sensor of 36XiW-CTD level probes.

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 LMP 307i is designed for continuous level measurement in water and clean or lightly polluted fluids. Basic element is a high quality stainless steel sensor with high requirements for exact measurement with good long term stability Features: — nominal pressure from 0 ... 4 mH2O up to 0 ... 200 mH2O — output signals: 2-wire: 4 ... 20 mA, 3-wire: 0 ... 10 V (others on request) — diameter 26.5 mm — small thermal effect — excellent accuracy — excellent long term stability Optional features: — IS-version Ex ia = intrinsically safe for gas and dust — drinking water certificate according to DVGW and KTW — different kinds of cables and elastomers

The DCL 571 with RS485 interface uses the communication protocol Modbus RTU which has found the way in industrial communication as an open protocol. The Modbus protocol is based on a master slave architecture with which up to 247 slaves can be questioned by a master – the data will transfer in binary form. The probe was developed for level measurement in waste water, 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 outside-diameter is only 22 mm for easy installation and back fitting in 1″ tubes or in cramped fitting conditions Features — Nominal pressure from 0 ... 1 mH2O up to 0 ... 100 mH2O — accuracy: 0.35% (opt. 0.35 %) FSO — output signal: RS485 with Modbus RTU protocol — diameter 22 mm — highly appropriated for sewage water Optional features — drinking water certificate according to DVGW and KTW

The stainless steel probe DCL 531 with RS485 interface uses the communication protocol Modbus RTU which has found the way in industrial communication as an open protocol. The Modbus protocol is based on a master Slave architecture with which up to 247 Slaves can be questioned by a master – the data are transferred in binary form. Basic element is a high quality stainless steel sensor with high requirements for exact measurement with excellent long term stability. Features — nominal pressure: 0 ... 1 mH2O up to 0 ... 250 mH2O — accuracy: 0.25 % FSO — output signal: RS485 with Modbus RTU protocol — diameter diameter 26.5 mm — small thermal effect small thermal effect — high accuracy excellent accuracy — reset function Optional Features — drinking water certificate according to DVGW and KTW — different kinds of cables — different kinds of seal materials

The separable stainless steel probe LMK 358 has been designed for level measurement in waste water, waste and higher viscosity media. Basic element is a capacitive ceramic sensor. In order to facilitate stock-keeping and maintenance the transmitter head is plugged to the cable assembly with a connector and can be changed easily. Features: — nominal pressure: 0 ... 40 cmH2O up to 0 ... 100 mH2O — accuracy: 0.35 % (opt. 0.25 %) FSO — diameter 39.5 mm — cable and sensor section separable — especially for sewage, viscous and pasty media Optional Features: — IS-protection Ex ia = intrinsically safe for gas and dust — cable protection via corrugated pipe — diaphragm pure ceramic (99.9 % AI2O3) — different kinds of cable — different kinds of elastomeres

The plastic submersible probe LMK 809 is designed for continous level measurement in waste water or in most of aggressive media. Basic element is a capacitiv ceramic sensor. Basic element of the plastic probe is the flush mounted ceramic sensor, which makes cleaning easier when solid parts of the medium deposit on it. Different cable and seal materials are available in order to achieve maximum media compatibility. Features: — nominal pressure: 0 ... 40 cmH2O up to 0 ... 100 mH2O — accuracy: 0.35 % (opt. 0.25 %) FSO — diameter 45 mm — chemical resistance — high overpressure capability — pure ceramic sensor — especially for tank level measurement of viscous and aggressive media — housing material PP-HT or PVDF — diaphragm ceramics Al2O3 (99.9 %) Optional Features: — different kinds of cable and seal materials — prepared for mounting with pipe

The stainless steel probe DCL 551 with RS485 in-terface uses the communication protocol Modbus RTU which has found the way in industrial communication as an open protocol. The Modbus protocol is based on a master slave architecture with which up to 247 slaves can be questioned by a master – the data are transferred in binary form. DCL 551 has been designed for hydrostatic level measurement in sewage as well as for viscous and pasty media. Basic element is a robust and high overpressure capable capacitive ceramic sensor. Features — Nominal pressure: from 0 ... 40 cmH2O up to 0 ... 200 mH2O — accuracy: 0.35 % (opt. 0.25 %) FSO — output signal: RS485 with Modbus RTU protocol — diameter 39.5 mm — excellent long term stability — especially for sewage, viscous and pasty media Optional features: — diaphragm ceramics Al2O3 99,9%

The stainless steel probe LMK 382 has been designed for continous level measurement in waste water, waste and higher viscosity media. Basic element is a robust and high overpressure capable capacitive ceramic sensor e.g. for low levels easily. Features: — nominal pressure: 0 ... 40 cmH2O up to 0 ... 200 mH2O — accuracy: 0.35 % (opt. 0.25 %) FSO — diameter 39.5 mm — especially for sewage, viscous and pasty media Optional Features: — IS-version Ex ia = intrinsically safe for gas and dust — mounting with stainless steel pipe — flange version — diaphragm pure ceramic (99.9 % AI2O3) — different kinds of cables — different kinds of elastomers