LH840 – Level Transmitter (316SS Sensor and Cable)
Sitron’s LH840 Hydrostatic Level Transmitters are used to measure the level of liquids in tanks, wells, and other containers. They work by measuring the pressure exerted by the liquid on the transmitter’s diaphragm, which is proportional to the liquid’s height. The external force of the process pressure induces the displacement of an electrical charge which accumulates on the opposite surface of the pressure cell. This generates an output signal which is converted to a 4 … 20 mA signal (2-wire) standard or 1 to 5V (3wires optional on request), directly proportional to the applied pressure. Hydrostatic level measurement is commonly used in various industries, including food, water/wastewater, and chemical processing, to name a few.
The LH840 models feature a 316 S.S. piezoresistive silicone filled cell and are mounted on a pre-ordered fixed length of polypropylene cable.
All of Sitron’s Hydrostatic Level Probes have a 4-20mA (2-wire) output signal, are fully temperature compensated within the stated range and are offered with surge protection. HART communication protocol is also available. Like all of Sitron’s products, the LH840 line of Hydrostatic Level Transmitters can be made in a wide variety of insertion lengths and pressure ranges.
Application: Level Measurement of clean liquid mediums free of debris or suspended solids
Operating Voltage: 12…30Vdc
Current Consumption: 22mA max.
Output: 4…20mA (2 wire) w/ Hart (optional)
Accuracy: +/- 0.5%
Sensor Material: 316SS Gauge or Absolute sensor with Silicon or Olive Oil
Pressure Range: 0 to 200 Bar (316SS piezoresistive sensor)
Electrical Connection: Fixed Cable Out
Cable: Polypropylene cable with vent tube
Body Material: 316SS
Operating/ Compensated Temperature: -10 to +80ºC / -10 to +70ºC
-0 to +80ºC / -0 to +70ºC (olive oil filled sensor)
Overpressure: 3 x F.S.
Class Protection: IP68 Sensor
- Easy to install
- Reliable measurement
- Available in several process connections such as: threaded, flange or sanitary (with Housing only)
- Hart protocol communication (LH850 without housing, upon request)
Depth/level measurements in ground water, deep wells, water towers, rivers, sewage treatment plants and other similar applications.
Calibration Certificate
Material Certificate
Certificate of Origin
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