Level

NAB

Float Level Switch

The KOBOLD NAB is a compact and robust float-level switch designed for point-level detection in liquids-ideal for tank monitoring and pump control. It features a polypropylene float that actuates an SPDT (tilt-based) mechanical switch, offering reliable on/off level control with high current capacity.

• Material: Polypropylene
• Pmax: 3.5 bar
• Tmax: 85 °C
• Cable length: up to 20m
• Protection type: IP 68

APC 2000 ALW/L

Smart Hydrostatic Level Transmitter

The APC‑2000 ALW/L series are intelligent, two-wire, loop-powered transmitters with built-in display and HART® communication. Available in both pressure and hydrostatic (level) versions, they offer programmable ranges, zero shifts, and damping-ideal for flexible industrial measurement tasks.

• Sensing Principle: Hydrostatic level measurement
• Accuracy: ±0.16%
• Output: 4-20 mA
• Connection: thread or flange mounted sensor
• Material: st-steel

NRM

Non-Contact Radar Level Transmitter

The KOBOLD NRM is an advanced, two-wire, non-contact radar transmitter using 25 GHz pulsed microwave (K-band) technology to continuously measure liquid levels up to 23 m in open and closed vessels. It delivers precise readings regardless of changes in dielectric constant, pressure, temperature, or vapor presence

• Measuring range: up to 23 m
• Accuracy: ±3 mm
• Pmax: 25 bar
• Tmax: +180°C
• Material: st-steel; aluminium; PP; PTFE
• Output: 4 - 20 mA

MM

Float Transducer-Reed Chain

The KOBOLD MM is a continuous level sensor and transmitter designed for liquids, based on a magnetically coupled float moving along a guide tube, with a potentiometric output. It provides reliable level indication using just one moving part-the float.

• Measuring length: up to 6 m
• Accuracy: 0.5 %
• Pmax: 30 bar
• Tmax: 130°C
• Connection: flange DN 40 - DN 125
• Material: st-steel; PVC; PPH; PTFE

SGE-25

Hydrostatic Level Probe

The SGE‑25 is a robust, submersible hydrostatic pressure sensor designed for continuous liquid level measurement in deep tanks or wells. It determines level by measuring the hydrostatic pressure at the probe tip, which is directly proportional to fluid column height.

• Measuring range: up to 20 m H2O
• Accuracy: 0.2 %
• Connection: cable up to 25 m
• Material: Hastelloy; st-steel

ERH

Float Level Switch

The ERH is a robust switch designed to detect liquid levels using a magnetic float inside a switching chamber. When the float rises or falls, magnetic actuation triggers limit switches safely through the housing-eliminating the need for wiring through the tank wall

• Explosion proof version
• Pressure: 40 bar
• Protection: IP 66/68
• Material: Aluminum or st-steel

JUMO NESOS R03 LS

Float Bypass Switch

The JUMO NESOS R03 LS is a robust point-level switch designed for liquids, featuring a built-in reference chamber. It operates on Archimedes’ principle, where the float rises or falls with the liquid level within the chamber, triggering one or two reed-contact switches.

• Capacity: Up to 250 V AC/DC; up to 1 A
• Temperature: -30 to +150 °C
• Pressure: -1 to +6 bar
• Density: 700 to 1400 kg/m³
• Protection rating: IP 66

NMT

Float Magnetostrictive

The KOBOLD NMT is a high-precision, float-controlled magnetostrictive level transmitter designed for continuous liquid level measurement. It combines a stainless steel guided-rod sensor and an integrated transmitter to convert float position into an accurate analog output.

• Measuring length: 300 - 4000 mm
• Accuracy: ±1 mm
• Pmax: PN10
• Tmax: 70°C
• Connection: G 2; 2" NPT
• Material: st-steel
• Output: 4 - 20 mA

NES

Conductive Level Switch

The KOBOLD NES is a reliable conductive level switch designed for monitoring and controlling the level of conductive liquids. Its design without any moving parts makes it suitable for applications involving critical media, such as those with solid content, negligible density, or high viscosity.

• Contact: 5 contacts via relays
• Connection: G ½ ; G 1½
• Pmax: 30 bar
• Tmax: 150°C
• Material: stainless steel; Hastelloy®; titanium

NGS- Dual Magnet Float Level Switch

Minimal signalization range: 350mm ±15%
Max. medium temperature: 85°C
Max. pressure: 0,35 MPa
Power supply: 250V AC-50/60Hz
Protection type: IP68
Cable length: 10 or 20 m
Float material: Copolymer polypropylene

NGM

Guided Radar Level Transmitter

The KOBOLD NGM is a compact guided-wave radar (TDR) level transmitter designed for continuous, non-contact measurement of liquids and light solids. This instrument excels in harsh process environments thanks to its advanced time-domain reflectometry technology and modular probe design.

• Measuring range: up to 20 m
• Accuracy: ±3 mm
• Pressure range: -1 to +40 bar
• Temperature range: -50 to +250°C
• Connection: DN 40 - DN 100
• Output: 4 - 20 mA
• Material: st-steel

NWS

Tuning Fork Level Switch

The KOBOLD NWS is a reliable vibrating fork level switch designed for detecting the presence or absence of liquids in tanks and pipelines. Utilizing the tuning fork principle, it offers accurate and maintenance-free operation, making it suitable for various industrial applications.

• Contact: 1 electronic switch
• Connection: Various
• Pmax: 45 bar
• Tmax: 130°C
• Viscosity: up to 5000 mm²/s
• Material: st-steel