Hydrostatic Liquid Level

Hydrostatic Liquid Level

JMI-Hydrostatic liquid level transducers and transmitters with flush diaphragm is designed for a wide variety of level measurement applications. This model pressure sensor and is protected by the stainless steel (SS) housing. Featuring the flush diaphragm makes the LV36 suitable to measure viscous media or media with small particles, so as to have diverse measurement applications.

The standard reference pressure is gauge (or relative) pressure realized through a vent tube in the cable. The reference pressure can also be absolute pressure on request.The measuring range of LV36 transmitters spans from 0~1 to 0~200 meter water column (mH2O) withmeasuring accuracy of 0.5%fs (fs = full scale). The output signal of transmitters can be configured toeither current loop (4~20mA,standard), voltage output (0.5~4.5V, 1~5V), or digital output (I2C orSPI). The millivolt signal directly from the Wheatstone ridge circuit is also available on request(transducer version).

Features :

  • Measuring ranges: 0~1m, 2m, 3m, 5m, 6m, 8m, 10m, 12m 15m Higher length on request
  • Output signal: 4~20mA (standard), other o/p optional available on request
  • Accuracy: 0.5%fs o compensated temperature range: 0~70 C
  • Construction: all stainless steel housing, rigid and robust
  • Environment protection: IP68

Technical Specification

Parameters  Units Specifications 

Measuring media
  Viscous fluid, or fluid with particles which is compatible with 316L SS
Measuring ranges* mH2O1m, 2m, 3m, 5m, 6m, 8m, 10m, 12m, 15m
Overload %fs150
Output signalfor transmitters
for transducers
mV/V4~20mA (standard).
≥ 15
Power supplyfor transmittersVdc24 (typical), 12, …, 36
Excitationfor transducersVdc
5, …, 10
0.5, …, 2
Accuracy %fs≤ ±0.5
Response time %fs/year≤ ±0.2 (standard), ≤ ±0.1 is available on request
Long-term stability ms< 1 (10%~90% of leading edge)
Input resistancefor transducersΩ2000~8000
Output resistancefor transducersΩ3500~6000
Insulation resistance MΩ @500Vdc> 500 (transducer only)
Storage temperature range °C-40~+100
Operating temperature range °C-20~+85s
Compensated temperature range °C0~70
Temperature coefficient of span %fso/°C≤ ±0.02
Temperature coefficient of zero %fso/°C≤ ±0.02
Process connection  submersible in
Electrical connection  Φ7.3mm, 4-core shielded black PVC cable with/without a vent tube
Membrane material  316L SS
Housing material  316 SS
Environment protection IP ratingIP68
Weight (without cable) gram~250


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