BD|SENSORS GmbH products

LMK 807 - Model LMK 807 - Hydrostatic Level Probe LMK 807 series

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

LMK 382H - Model LMK 382H - Hydrostatic Level Probe LMK 382H

The stainless steel probe LMK 382H has been designed for continous level measurement in waste water, waste and higher viscosity mediums.
Basic element is a robust and high overpressure capable capacitive ceramic sensor e.g. for low levels.
Features:
- nominal pressure range 0 ... 60 cmH2O up to 0 ... 200 mH2O
- accuracy: 0.1 % FSO
- diameter 39.5 mm
- HART®-communication (setting of offset, span and damping)
- permissible temperatures up to 85 °C
- high overpressure capability
- high long term stability
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)
- accessoires e.g. assembling and probe flange, mounting clamp

DCL 531 - Model DCL 531 - Hydrostatic level probe DCL 531

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

DCL 551 - Model DCL 551 - Hydrostatic level probe DCL 551

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%

DCL 571 - Model DCL 571 - hydrostatic level probe DCL 571

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

LMK 358H - Model LMK 358H - Hydrostatic Level Probe LMK 358H

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

LMP 808 - Model LMP 808 - Hydrostatic Level Probe LMP 808

The separable plastic probe is designed for level measurement of water, waste water as well as fuels and oils. Basic element is a piezoresistive stainless steel sensor.
Since the area of application is often outside a building, great emphasis was placed on overvoltage / lightning protection.
In order to facilitate stock-keeping and maintenance the transmitter head is plugged to the cable assembl with a connector and can be changed easily.
Features:
- nominal pressure: 0 ... 1 mH2O up to 0 ... 100 mH2O
- accuracy: 0,35 % (opt. 0,25 %) FSO
- diameter 35 mm
- cable and sensor section separable
- small thermal effect
- 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:
- SIL 2 (safety integrity level) according to IEC 61508 / 61511
- different cable and elastomeres
- customer specific versions

LMK 458H - Model LMK 458H - Hydrostatic Level Probe LMK 458H

The LMK 458H 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 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 capacitive ceramic sensor element, which offers a high over-load resistance and medium compatibility.
Features:
- nominal pressure: 0 ... 60 cmH2O up to 0 ... 200 mH2O
- accuracy: 0.1 % FSO
- diameter 39.5 mm
- HART®-communication (setting of offset,span and damping)
- high overpressure capability
- high long term stability
- approvals: ABS, BV, CCS, DNV, GL, LR
Optional Features:
- IS-version
- diaphragm 99.9 % AI2O3
- different housing materials (stainless steel, CuNiFe)
- screw-in and flange version
- accessoires

LMP 331i - Model LMP 331i - Hydrostatic Level Sensor LMP 331i

The precision screw-in transmitter LMP 331i demonstrate the further development of our industrial pressure transmitters.
The signal processing of sensor signal is done by digital electronics with 16-bit analog digital converter. Consequently it is possible to conduct an active compensation and the transmitters with excellent maesurements and exeptionally attractive price to offer on the market.
Features
- nominal pressure: 0 ... 400 mbar up to 0 ... 40 bar
- accuracy: 0.1 % FSO
- thermal error in compensated range -20 … 80 °C: 0.2 % FSO TC 0.02 % FSO / 10 K
- turn-down 1:10
- communication interface for adjusting of offset, span and damping
Optional Features
- IS-version
Ex ia = intrinsically safe for gases and dusts
- adjustment of nominal pressure gauges (factory-provided)

LMK 387H - Model LMK 387H - Hydrostatic Level Probe LMK 387H

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