I.Summary:
The LRDG series pressure transmitter use the sensor components with high precision, high stability diffusion silicon segregation type, by amplifying circuit with high reliability and precision temperature compensation, transformed the
*For dangerous and explosive fields and places
*High reliability and anti-interference performance
Wooden Case
Fter processing by the control instrument and convert into the quantities, so as to realize the continuous measurement of material level, improve the reliability and makes it very easy to installation and debugging
Iii.Product features:
*simple calibration: can use any of the two points of any warehouse height automatically complete the calibration
*strong adaptability:can work reliable under high temperature, high pressure, strong corrosion, strong adhesion and strong dust environment.
*no maintenance: because simple structure of the sensor and no moving parts, so once put into operation , it no need to maintenance.
*widely used: liquid, solid, interface mixture, material etc.
*lcd display: adopt lcd, display rich and comprehensive content.
*no drift: no drift because the medium of the temperature or density changed.
*reliable life: unique technology ensures the long service life of the instrument to15 years
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I.Measurement principle:
Transmit very low energy and very short microwave pulse then transmitting and receiving by the antenna system.Radar wave are running at the speed of light.Running time can be transformed into material level signal by electronic parts.A special type of time extension method can guarantee the stability and accurate measurement in a very short time. Even if the condition is complex , has false echo, can accurately analyze the level of the echo with the latest micro-processing technology and debugging software.
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Power supply: two lines(dc24v) four lines(dc24v/ac220v)
The scene display: four figure lcd(programmable)
Shell: optional
Process connection: screw thread/flange(optional)
The antenna:bellmouth (stainless steel 316l)
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The ball float liquid level controller output 4 ~ 20 ma stadard current signal and matching with the iii type electric instrument, which can realize the automatic detection , control and record for the liquid level. The liquid level transmitter is suitable for oil refining industry, chemical industry, paper making, food and pharmaceutical industries, and applicable for the medium liquid level measurement such as sewage and all kinds of exposure or pressure containers, for underground storage tanks and high-level water tank level measurement are ideal. Liquid level
Working temperature:¡ª40~+60¡æ
Load resistance:620¦¸
Voltage supply:24vdc
Outlet joint: internal screw thread m20¡á1.5
Connecting flange:hg20592~20635£97 dn150 pn1.6¡¢2.5mpa,
Other flange standards such as gb£¬hgj£¬ansi of the users indicate.
Anti-explosion sign: flameproof type diibt4
Material of the float ball:0cr18ni9, ptfe
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