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Detachable Submersible Probes by BD|SENSORS
Modular, Reliable, and Easy-to-Maintain Level Measurement Solutions ​

BD|SENSORS' detachable submersible probes provide high-precision level measurement in a modular design, allowing easy sensor head replacement without disturbing existing cabling. Engineered for water, wastewater, fuel, oil, and aggressive media applications, these probes offer industry-leading accuracy, durability, and long-term stability.


With stainless steel and chemical-resistant plastic housing options, HART® communication, and intrinsic safety certifications, BD|SENSORS' detachable probes reduce maintenance efforts while ensuring seamless operation in demanding environments.

Key Advantages


Effortless Maintenance & Replacement

Quick sensor head exchange without disconnecting cabling.

High Precision & Stability

Accuracy as low as ±0.1% FSO with long-term drift of ≤ ±0.1% FSO/year.

Reliable in Extreme Conditions

Overpressure resistance and operation at temperatures up to 85°C.

Versatile Industrial Applications

Solutions for wastewater, chemicals, fuel storage, biogas, and water treatment.

LMK 358H – Detachable Stainless Steel Probe for Wastewater & Viscous Media

The LMK 358H is specifically designed for level measurement in wastewater, sludge, and high-viscosity media. It features a capacitive ceramic sensor that provides high long-term stability and overpressure resistance. The sensor head can be detached from the cable assembly, allowing for easy maintenance and reduced downtime. Additionally, HART® communication enables digital adjustment of offset, span, and damping for enhanced process control.


Technical Specifications:

  • Output Variations: 4-20 mA (2-wire) with HART®
  • Accuracy Variations: ±0.1% FSO (≥1 bar), ±0.2% FSO (<1 bar)
  • Pressure Variations: 0.06 to 10 bar (0.6 – 100 mH2O)
  • Input Variations: 12-36 VDC (Standard) / 12-28 VDC (Intrinsically Safe)


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LMK 358H

LMK 858 – Detachable Plastic Probe for Aggressive Media

The LMK 858 is built for level measurement in aggressive chemicals, acids, and alkaline environments. It features a 99.9% pure ceramic sensor and a PP-HT plastic housing, ensuring resistance to corrosive media. The detachable sensor head simplifies servicing, while integrated lightning protection safeguards the probe from electrical surges.


Technical Specifications:

  • Output Variations: 4-20 mA (2-wire)
  • Accuracy Variations: ±0.35% FSO (Standard) / ±0.25% FSO (Option)
  • Pressure Variations: 0.04 to 10 bar (0.4 – 100 mH2O)
  • Input Variations: 9-32 VDC


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LMP 308i – Precision Stainless Steel Probe for Water & Low-Viscosity Fluids

The LMP 308i is designed for continuous level measurement in water and low-viscosity fluids. With a high-accuracy stainless steel sensor, digital signal processing, and a 16-bit A/D converter, it provides exceptional precision and active compensation for temperature fluctuations. The detachable sensor head enables quick replacement, reducing operational downtime.



Technical Specifications:

  • Output Variations: 4-20 mA (2-wire) / 0-10 V (3-wire)
  • Accuracy Variations: ±0.1% FSO
  • Pressure Variations: 0.4 to 20 bar (4 – 200 mH2O)
  • Input Variations: 12-36 VDC


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LMP 808 – Detachable Plastic Probe for Water, Fuel, and Oil

The LMP 808 is designed for water, fuel, and oil level monitoring. It features a stainless steel sensor housed in a PP-HT plastic enclosure, ensuring resistance to environmental factors and industrial contaminants. The detachable sensor head simplifies maintenance, and integrated lightning protection ensures reliability in outdoor installations.


Technical Specifications:

  • Output Variations: 4-20 mA (2-wire) / 0-20 mA & 0-10 V (3-wire)
  • Accuracy Variations: ±0.35% FSO (Standard) / ±0.25% FSO (Option)
  • Pressure Variations: 0.1 to 10 bar (1 – 100 mH2O)
  • Input Variations: 8-32 VDC


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