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Home | Products | Level | Level Transmitters | Hydrostatic (Submersible) | 404392

404392 – Level Probe for liquids - Critical applications

Measuring ranges: 250mbar to 10 bar.

Jumo 404392 Submersible Level Probe

JUMO 404392 Features:

  • Level probe for continuous level measurement in liquids
  • Measuring ranges: 250 mbar to 10 bar (2.5 to 100 mH2O)
  • Medium temperature: 0 to 50 °C
  • Piezoresistive silicon sensor
  • Accuracy: 0.3 % MSP (linearity)
  • Excellent long-term stability
  • High overload resistance
  • Integrated overvoltage protection
  • Reverse-polarity protection
  • Drinking water approval
  • Integrated temperature sensor Pt100 also available
  • Suitable for indoor and outdoor installations
Brand: JUMO
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  • Product Details
  • Technical Specs
  • Ordering Information
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The JUMO MAERA S28- 404392 level probe is used for the continuous hydrostatic level measurement in liquids. Filling heights from 2.50 to 100 mWS (water column) can be achieved in ventilated tanks.

When the level probe is immersed into a liquid, a liquid column emerges above the probe. The liquid column increases as the probe is immersed deeper into the liquid and creates a hydrostatic pressure on the measuring system by the force of its weight. The measured pressure is transmitted as a standard signal. The signal is linearly proportional to the rising liquid column.

The surrounding pressure is achieved through a special cable with integrated pressure equalization hose. Any variations in air pressure are therefore automatically compensated and the surrounding pressure is taken into account. The installation can be performed in both indoor and outdoor areas.

The level probe is equipped as standard with an integrated overvoltage protection, which protects the level probe against damage in the event of lightning strikes in surrounding water. With regard to the temperature-dependent density of a liquid, the medium temperature can be recorded with an integrated temperature sensor Pt100 during level measurement. This temperature value can then be used for compensation.

The level probe is designed for use in drinking water (ACS – “Attestation de Conformite Sanitaire”).

Further information on our level probes from the JUMO MAERA series can be found in the brochure “Level Probes – Hydrostatic Level and Filling Level Measurement” in the Documentation category.

Connection example: 

 

Jumo 404392 Specifications
General information
Reference conditions DIN 16086 and DIN EN 60770
Measuring principle Piezoresistive sensor with stainless steel separating membrane
Pressure transfer means Synthetic oil
Admissible load changes >10 million, 0 to 100 % measuring range
Mounting position Vertical/hanging from the cable
Output
Analog output Current 4 to 20 mA, two-wire
Voltage DC 0.5 to 4.5 V, three-wire, ratiometric 10 to 90 % of the voltage supply
Step response T90 ≤ 10 ms
Burden Current RL (UB-10 V) ÷ 0.02 A (Ω)
Mechanical features
Ensure the medium durability of the material!
Process connection Material Stainless steel 316 Ti
Measuring membrane Material Stainless steel 316 Ti
Case Material
Standard Stainless steel 316 Ti
Seals FPM, standard EPDM, NTS 917
Weight 400 g (without cable)
Diameter 25 mm
Environmental conditions
Admissible temperatures
Medium/environment 0 to 50 °C. The device must not freeze in the medium! A restriction may be required depending on the medium.
Storage -20 to +80 °C, dry
Electromagnetic compatibility
Interference emission* Class B
Interference immunity** Industrial requirements
Overvoltage protection*** Integrated overvoltage protection. Rated leakage current: 1 kA
Protection type**** IP68, submersible to 16 m
* According to EN 61326-2-3
** According to EN 61326-1
*** According to EN 61000-4-5
****According to EN 60529

  • Level Probes Brochure from Jumo 1.56 MB
  • Jumo 404390 Series - Installation Instructions 1.81 MB
  • Jumo Level Probes - Installation Schematic 98.86 KB

Product Range

Product Range:
CodeSpecificationsPriceQuantity
404392-451

0~2.5m H2O with 10m of PUR cable.
(404392/0-451-405-659-20-14-010)

$1,320.00
404392-452

0~4m H2O with 10m of PUR cable.
(404392/0-452-405-659-20-14-010)

$1,320.00
404392-453

0~6m H2O with 10m of PUR cable.
(404392/0-453-405-659-20-14-010)

$1,320.00
404392-454

0~10m H2O with 15m of PUR cable.
(404392/0-454-405-659-20-14-015)

$1,448.00
404392-456

0~25m H2O with 30m of PUR cable.
(404392/0-456-405-659-20-14-030)

$1,767.00
404392-457

0~40m H2O with 50m of PUR cable.
(404392/0-457-405-659-20-14-050)

$2,596.00
404392-BOX

Terminal box with built in pressure equalization filter

$165.00
404392-FILT.

Pressure equalization filter for cable

$29.00

Note: Other ranges and cable lengths are available on request. Please contact us.

All prices are in NZ$, and GST exclusive and are subject to change without notice.

Intech Instruments Ltd are the New Zealand distributor for JUMO products. Please contact the JUMO distributor in your country if you require sales or service support for JUMO products.

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