Semrad

NivoPress D - Hydrostatic Level Measurement

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61-2-9531-8474

Product Description:

NivoPress D hydrostatic level and pressure transmitters are 2-wire level transmitters that convert relative, or absolute pressure  input signal, into a 4-20mA output signal, making it perfect for coninuous level measurement applications. The piezoresistive sensor measures the hydrostatic pressure and the atmospheric pressure to give you an accurate reading of the liquid level. This sensor is protected by a stainless steel flush diaphram which transfers the pressure value through silicon oil.

The sophisticated electronics in the NivoPress D are HART programmable, through either a HART modem or a local, plug in display. Instrinsically safe and explosion proof models are available for use in hazardous areas, making the NivoPress D hydrostatic level transmitter suitable for a range of applications, such as fuel storage tanks, to the food and beverage industry.

The Pinciple of Hydrostatic Level Measurement:

The operating principle of hydrostatic level measurement is relatively simple. The NivoPress D utilises a highly accurate and precise pressure transmitter that measures the pressure at the bottom of a tank or vessel, and subtracts the atmospheric pressure from this value to give the hydrostatic pressure. The hydrostatic pressure measured by the NivoPress is directly proportional to the liquid level, however the hydrostatic pressure can vary depending on the medium, so these variables must be programmed remotely via HART or through a local plug in display for accurate continuous level measurement.

Features:

NivoPress D Features:

Two-wire compact transmitter.

Stainless steel diaphragm.
Measuring range: 0.1-400 bar, -1 bar.
Scalable analogue output.
Programmable damping.
Level and pressure management.
Secondary lightning protection.
High overload capability.
High accuracy <0.25%.
Wide temperature ranges.
HART communication.
Explosion-proof models

 

Hydrostatic Level Measurement Applications:

Most liquids and masses in tanks and vessels.
Chemicals with dense vapour or gas layers above the surface.
Foaming liquids.
Viscous or corrosive materials.

 

NivoPress D Specifications:

Power supply: 10-36V DC.
Ambient temperature: -25 °C to +70 °C.
Medium temperature: -25 °C to +125 °C.
Pressure: 0.1-400 bar, -1 bar.
Outputs: 4-20 mA, HART.
Process connection: 1/2'', 1'', 11/2'' process connection or hygienic fitting.
Ingress Approvals: ATEX II 1 G EEx ia IIC T6...T4Protection: IP 65.

Semrad Pty Ltd is a leading Australian distributor of level switches and level transmitters, designed specifically for harsh industrial applications, including caustic and chemical solutions.

Semrad is dedicated to providing customers with the most cost effective and technically advanced solutions for the measurement and control of liquid and bulksolids level.
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