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JUMO NESOS R01 LS Level switch with float
JUMO NESOS R01 LS Level switch with float - Image 2

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JUMO NESOS R01 LS Level switch with float

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Description

Applications

  • Point level measurement of liquids in storage tanks, containers, oil sumps and tanks
  • Water and wastewater treatment
  • Mechanical and plant engineering
  • Shipbuilding
  • Energy technology
  • Tempering equipment
  • Possible to made for customer specific purposes

Short description
The point level measurement is carried out according to Archimedes’ principle for liquids. The float moves along the guide tube as the level rises or falls. The magnet in the float actuates the reed contact(s) installed in the guide tube with its magnetic field. The switching status of the reed contact can be evaluated and processed through downstream electronic components, relays, or contactors. Alarms, pumps, signal lamps, valves, and horns are typically switched via a contact protection relay.
In the case of applications with low filling heights and tank openings, variants with diameter from 27 mm are available. Variants with a connecting plug help to minimize mounting work. Depending on the variant ordered, various electrical connections, process connections, guide tube lengths, floats, number and positions of contacts as well as their function (SPST-NO (Normally open), SPST-NC (normally closed), SPDT-CO (Changeover contact) and bistable contacts are available.

Optional temperature sensor
With the optional temperature sensor or temperature switch, both the point level measurement and the temperature can be acquired via just one measuring point. Variants for monitoring the reed contact temperature are also available.

Explosion-proof
The JUMO Nesos R01 LS can also be delivered according to EX i (Intrinsic safety) or EX d (flameproof enclosure) standards in connection with explosion-proof environments. With an Ex d version, no Zener barrier or insulator is required in the control cabinet.

Customer benefits

  • Cost-effective installation and mounting, due to spring-cage terminals (Push-In®), for example
  • Reduced operating costs due to maintenance-free device design
  • No isolating switch amplifier required for Ex d (Flameproof enclosure) applications

Process connection2 NPT, G3/8, G2, G1 1/2, G 1/4, Pg9, M14 x 1,5, Flange, Or specific customer wishes
International protection ratingTo IP68
SensorReed contact
Liquid temperature-52 to +240 °C
FloatStainless steel AISI 316 cylinder Ø27, Stainless steel AISI 316 spherical Ø29, Titanium spherical Ø29
Cable lengthNone, 2000 mm, 5000 mm, Or specific customer wishes (Increasing steps 100 mm)
Guide tube diameter8 mm, 12 mm
Amount of floats1 to 4
CertificatesDNV-GL, EAC, EAC Ex, ATEX, IEC Ex, WHG
Guide tube length30 mm to 500 mm (Steps of 50 mm)
Electrical connectionRound plug M12 × 1, Cable socket, Terminal head Ex d, Connection housing, Cable (PVC, PUR, Silicone or RADOX), Or specific customer wishes
Switching functionSPST-NO (Normally open contact), SPST-NC (Normally closed contact), SPDT-CO (Changeover contact), SPST-NO, (Normally open contact bistable), Or specific customer wishes
Accuracy switching point±2 mm
Position of the contacts20 mm to 470 mm
Switching capacityUntil 250 V AC/DC, to 1 A
BrandJUMO
Order codeTo view the possible options, you can find the options with the relevant codes in the Data sheet documents. Or contact us if you have specific wishes that are not in the documents