Boie Mess- und Systemtechnik industrial measurement systems and sensors

Industrial instrumentation engineered by Boie GmbH & Co. KG (Boie Mess- und Systemtechnik): submersible hydrostatic probes, gas flow meters, and telemetry modules for wastewater, environmental, and utilities operations.

Boie GmbH & Co. KG manufacturing plant and Boie Systemtechnik measurement systems

German manufacturer Boie GmbH & Co. KG (brand Boie Mess- und Systemtechnik) develops precision instrumentation in Gilching near Munich. Facilities include calibration benches, cleanroom assembly stations, and automated laser welding lines for robust ceramic sensor diaphragms.

Headquarters and manufacturing facilities located in Gilching, Bavaria
Dedicated metrology laboratories for hydrostatic level and gas flow testing
Quality management system qualified in compliance with ISO 9001:2015 standard
Explosion-proof design qualified under European Union directive RL 2014/34/EU

Boie Hydrolevel LPK submersible hydrostatic level transmitters and depth probes

Hydrostatic level transmitters Boie Mess- und Systemtechnik series LPK.V and LPK.VL are engineered for continuous level monitoring in deep wells, reservoirs, and open channels. Capacitive measuring cells of 99.9% Al2O3 ceramic withstand pressure spikes and vacuum conditions.

Capacitive ceramic measuring cell crafted from ultra-pure 99.9% Al2O3 material
Integrated multi-stage surge and lightning protection for harsh field environments
Industry standard 4-20 mA output with optional Modbus RTU interface LPK.V.MT
Heavy-duty 1.4404 stainless steel housing with IP68 immersion rating up to 200m

Boie screw-in industrial pressure transmitters series LPK 121, 131, and 200

Process pressure transmitters Boie Mess- und Systemtechnik series LPK 20, LPK 121, LPK 131, and LPK 200 are designed for pipelines and reaction vessels. Units resist aggressive chemical fluids, pump vibrations, and dynamic pressure pulsations across utility installations.

Wide gauge and absolute pressure measurement spans from 0-40 mbar to 0-100 bar
Threaded connections G1/2, G1 alongside hygienic clamps and dairy pipe unions
Dry capacitive ceramic sensor provides overload protection up to 40 times span
Broad process temperature capability ranging from -40 deg C up to +125 deg C

Boie differential pressure transmitters for filtration units and heat exchangers

Differential pressure transducers by Boie Mess- und Systemtechnik measure head loss across industrial filtration systems, heat exchangers, and orifice plates. Precision sensing architecture compensates for high static line pressures and preserves strict metrological performance.

Symmetric high and low pressure chambers equipped with integrated purge ports
High unilateral static pressure overload tolerance up to full system rating
Configurable 4-20 mA analog output with linear or square root characteristic
Rugged mounting bracket engineered for rigid pipe bracket and panel installation

Boie Fluidistor GD 300 fluidic gas flow meters for biogas and digester monitoring

Gas flow meters Boie Fluidistor GD 300 operate on the fluidic oscillator principle. Complete elimination of mechanical moving elements removes abrasive wear, providing continuous operation in unconditioned humid biogas containing significant hydrogen sulfide fractions.

Wear-free hydrodynamic oscillator technology operating without moving components
High chemical durability against hydrogen sulfide concentrations and damp gases
Flanged process connections available across standard diameters DN40 to DN400
Qualified explosion protection Ex II 1/2G Ex ia e mb IIC T4 Ga/Gb for zone 0 and 1

Boie Hydrolevel Power Modul uninterruptible power units and telemetry data loggers

Auxiliary power modules Boie Hydrolevel Power Modul with battery backup and UPS capability guarantee uninterrupted operation of remote field sensors. Telemetry units transmit measurement archives through long-range wireless links and modern cellular networks.

Autonomous DC power units featuring smart battery charging and health checks
Long-range wireless telemetry transmission up to 30 km using time-slot radio link
Industrial communication gateways supporting RS485 Modbus RTU and cellular modems
Non-volatile internal flash memory for unbroken storage of logged measurement trends

Boie level limit switches, alarm relays, and ATEX intrinsic safety barriers

Level limit controllers and intrinsically safe isolating amplifiers by Boie Mess- und Systemtechnik deliver electrical galvanic isolation and automated pump emergency trips. The modular components snap directly onto standard DIN-rail mounts inside industrial control enclosures.

Intrinsically safe isolating repeater modules qualified for hazardous ATEX zones
Electromechanical relay outputs with changeover contacts for direct starter control
Front-panel LED indicators display operating status, alarm thresholds, and line faults
Ultra-slim housing profiles from 22.5 mm width for dense space-saving DIN-rail layouts

Boie replacement parts, vented probe cables, and installation hardware

Components and accessories by Boie Mess- und Systemtechnik ensure long operational lifecycles for monitoring stations. Offerings include specialized submersible vented cables with integrated atmospheric capillary tubes, heavy-duty suspension clamps, and moisture-protected junction boxes.

Heavy-duty vented submersible signal cable featuring integrated barometric tube
Weatherproof terminal junction boxes featuring hydrophobic Gore-Tex breathing filters
Corrosion-resistant stainless steel wedge cable clamps for secure borehole hanging
Protective sensor nose caps, process thread adapters, and fluoroelastomer FKM seals

Installation and suspension criteria for Hydrolevel LPK submersible hydrostatic probes in deep wells

Submersible hydrostatic level transmitters Boie Mess- und Systemtechnik series LPK.V and LPK.VL are deployed in groundwater boreholes and retention basins with heavy-duty stainless steel wedge suspension clamps.

The probe assembly hangs vertically at least one meter above the sediment boundary layer to prevent abrasive silt accumulation around sensor nose ports.

When lowering the probe inside a protection guide pipe, sharp cable bending must be prevented: maintain a minimum bend radius of 120 mm to safeguard the internal atmospheric capillary tube from pinching. A dedicated desiccant breathing cartridge is positioned inside the surface terminal enclosure.

Capillary barometric compensation and terminal moisture ingress prevention strategies

Hydrostatic submersible cables from Boie Mess- und Systemtechnik incorporate a fluoropolymer capillary tube venting the reverse side of the capacitive ceramic cell to ambient atmosphere, removing barometric error.

Liquid condensation inside this tube could create a false hydrostatic column and shift the 4-20 mA loop reading.

To protect the sensing path, the top cable termination enters a sealed connection enclosure fitted with a hydrophobic Gore-Tex breathing membrane that admits air while blocking liquid droplets.

Periodic field inspection verifies the moisture indicator silica gel condition and ensures cable outer sheath integrity.

High overload and vacuum resilience of Al2O3 capacitive ceramic pressure sensing cells

Pressure transmitters and hydrostatic probes Boie Mess- und Systemtechnik series LPK 20, LPK 121, and LPK.V utilize an oil-free capacitive cell made from ultra-pure 99.9% aluminum oxide ceramic.

Unlike thin piezoresistive metallic membranes, the monolithic ceramic diaphragm withstands dynamic pressure surges exceeding nominal measurement range by twenty to forty times without calibration shift.

The ceramic face is chemically inert against saline brines, industrial effluents, and abrasive particles, preserving linear response, stable zero point, and long-term signal repeatability.

Fluidic oscillation operating dynamics in Fluidistor GD 300 gas flow meters for wet biogas

Volumetric metering of biogas, landfill methane, and digester gas with Boie Fluidistor GD 300 relies on the Coanda fluidic oscillation effect inside a sculpted aerodynamic chamber.

The gas stream exiting the input nozzle adheres alternately to opposite inner chamber walls, establishing stable self-sustaining fluid oscillations. The oscillation frequency relates directly to volumetric flow velocity and is detected by non-contact thermal sensors.

The complete lack of turbine impellers, rotating shafts, and bearings avoids jamming and sensitivity reduction caused by condensation droplets and sulfur deposits.

Architecture of autonomous field measurement stations with Hydrolevel Power Modul units

Remote pump stations, overflow storm basins, and utility monitoring points often lack reliable mains grid access. Boie telemetry packages incorporate Hydrolevel Power Modul uninterruptible power supply blocks equipped with internal battery charging regulation and deep discharge isolation.

Under normal operation, the module delivers regulated DC power to LPK transmitters and Zeitschlitzfunk radio transmitters, shifting instantaneously to the backup accumulator when line voltage drops.

The data logger records readings into flash memory and dispatches batched reports to supervisory servers.

Integration of level alarm controllers and intrinsically safe ATEX galvanic isolation barriers

In hazardous areas across tank farms, sewage treatment works, and biogas production units, primary sensors from Boie Mess- und Systemtechnik connect via qualified intrinsic safety barriers.

Galvanic isolation amplifiers isolate 4-20 mA measurement loops between hazardous field zones and the control room automation cabinets.

When reaching critical high or low trip setpoints, the electromechanical relay module switches power circuits of pump motor starters instantly, preventing vessel overflow or pump cavitation without depending on programmable logic controller cycle times.

What we do not claim

Boie Mess- und Systemtechnik and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Boie Mess- und Systemtechnik and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.