Chinese factory manufacturing capacitor level gauge
The Capacitance level gauge is a standard two-wire or three-wire instrument. The power (signal) terminal is located on the wiring side of the instrument casing. The signal wire should use shielded wire or two twisted pairs twisted together. It is recommended not to pass through the conduit or open wire slot with other power lines, nor should it pass near high-power equipment.
Description
Shandong Aipuxin Automation Instrument Co., Ltd. is one of leading manufacturers and suppliers of chinese factory manufacturing capacitor level gauge in China, also supports customized service with low price. Please rest assured to wholesale cheap chinese factory manufacturing capacitor level gauge in stock here from our factory.
Technical Parameter
Product Introduction:
Capacitance level gauge is a standard two-wire or three-wire meter. The power (signal) terminals are located on the wiring side of the instrument housing. Signal wires should use shielded wires or two twisted pairs twisted together. It is recommended not to pass through conduits or open wire troughs with other power cords, nor should it pass near high-power equipment.
Features:
1. Simple structure, without any moving or elastic parts, extremely high reliability and minimal maintenance. Generally speaking, no daily major, medium or minor maintenance is required.
2. Multiple signal outputs, convenient for configuring different systems.
3. This instrument is suitable for measuring the liquid level of high temperature and high pressure vessels. The measured value is not affected by the temperature, specific gravity, shape and pressure of the liquid being measured.
4. Especially suitable for measuring highly corrosive liquids such as acids and alkalis.
5. Perfect over-current, over-voltage, and power polarity protection.
Working principle
Capacitance level gauges are also called radio frequency capacitance level gauges and their working principle is based on radio frequency (RF) capacitor technology. Radio frequency is applied to the probe and the effects of the surrounding environment are determined through continuous analysis. Since all materials have different dielectric constants and conductivities than air, the total impedance reflected by the small capacitance shift changes when the sensor probe comes into contact with the material. Since the energized probe and the container walls form the two plates of a capacitor, the insulator of the probe and the surrounding air become dielectric materials. When air (dielectric constant 1.0) is replaced by any other material (dielectric constant >1), the change in capacitance value causes a change in impedance. This effect is measured after comparing the circuit to a reference established by the sensitivity device settings (circuit).
This liquid level gauge is suitable for measuring the liquid level (material level) of conductive and non-conductive liquids (solids) under pressure in pressure vessels. It adopts two-wire power supply, outputs 4-20mA, superimposes HART digital signal, and displays the liquid level locally at the same time. It can convert various changes in liquid level parameters into standard current signals, transmit them to the operating room, and perform centralized display, alarm or automatic control through secondary instruments or computer devices.
This instrument can be used for continuous detection of liquid level, material level or material level under special conditions such as high pressure, high temperature, strong corrosion, easy crystallization, anti-clogging, anti-freeze, solid powder and other special conditions. Granular materials. It can also be widely used in the detection and control of various industrial processes.
Product Features
4-20mA/RS-485 multiple signal outputs to facilitate different system configurations.
Capacitance level gauge is suitable for liquid level measurement in high-temperature and high-pressure vessels. The measured value is not affected by the temperature, specific gravity, shape, and pressure of the liquid being measured. It also has complete over-current, over-voltage functions and power supply polarity protection.
Anti-adhesion: Advanced anti-adhesion circuit design eliminates material adhesion and generates false error signals.
Strong adaptability: It can detect solid and liquid materials under high temperature, high pressure, large dust and high viscosity, and is not affected by the dielectric constant of the measured medium.
One-click calibration: Due to the use of digital circuits, users can complete the calibration in one go in the short position state
Simple installation and debugging: fully sealed integrated installation structure, no mechanical moving parts, high reliability, and basically maintenance-free. Once installed, no need for multiple commissioning.
Product Details
Product Application
Capacitance level gauge is widely used in petroleum, chemical industry, metallurgy, electric power, papermaking, pharmaceutical and other fields. Chemical plant: testing polyester, spandex, acid, alkali, ETC; Environmental protection: sewage liquid level testing; Boiler plant: testing the liquid level of media in pressure vessels; Hydraulic machinery: lubricating oil level testing; Grain department: edible oil grade testing; Oil fields : Detect the liquid level of finished oil.
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