Overview magnetic sub-level gauge is based on GB / T 25153-2010 designed and manufactured to the Level Meter "chemical pressure vessels magnetic sub-level gauge" standard, and its structure is based on the principle of buoyancy and magnetic design and production. Float with a magnet (the magnetic float) affected by buoyancy in measured media in place. Changes lead to changes in the level of magnetic float position, static magnetic coupling magnetic float and magnetic sub-led magnetic sub flip angle (different color magnetic sub-surface coating), and thus reflect the level of the container. The gauge also can be used with the sensor (reed switch, etc.) and other sophisticated electronic components and other sensor module and transmitter modules can signal transmitter output resistance value, the current value (4 ~ 20mA) signal, switching signal and other electrical signals. Enabling remote control of field observations and a perfect combination. The level gauge can be applied to almost all kinds of industrial automation and process control in the opening or pressure vessel level measurement and control of various media. Can be widely used in petroleum processing, food processing, chemical, water treatment, pharmaceutical, power, papermaking, metallurgy, shipbuilding and boiler liquid level measurement, control and monitoring. Gauge machine made of stainless steel, with explosion-proof models, it can be used for corrosive, toxic, flammable, explosive and other places. A specialized unit for level measurement principle of magnetic sub-level gauge is based on the principle of magnetic coupling, Archimedes (buoyancy) and other principles cleverly combines the characteristics of mechanical drive and developed. On this basis, expanding its scope to extend a variety of types of products in the detection level, while we give them more practical function. This type of instrument has a float receiving cavity (referred to the main body tube or casing), which form a flange or other communication via the interface and the container; such surface and the liquid surface of its cavity within the container is the same height, so the cavity of the container with the liquid level float will lift and the lift; this time we can not see that level, so we installed a turned column display outside the cavity in, because we are in the manufacturing When the float in the float and sink into the liquid portion of the junction of floating magnets installed, when it float with the surface lift, it passes through the magnetic shell to turn the column display, push magnetic sub-flip 180 °; Because magnetic sub is red, white and two semi-cylindrical composite cylinder, so flip 180 ° turn back toward the outside of the column display changes color (below the surface of the red, white above), that is, at the junction of two color liquid surface height. In order to expand the scope of its use, can also increase the level transmitter apparatus according to relevant standards and requirements to export a variety of electrical signals. Of which, 4 ~ 20mA current signal is more commonly used. For example: while monitoring the level of magnetic switch signals can be used for level control or alarm; on the basis of level gauge turned column adds 4 ~ 20mA transmitter sensors, liquid level monitoring in the field at the same time, the liquid change in bit by transmission sensors, cables and reached the control room instrumentation, remote monitoring and control. Figure 1 is a block diagram level gauge works two remote device electrical schematics Features measuring range, clear and intuitive readings; less seal the joint surface, easy to leakage, safe and reliable; indicating portion with the measured medium completely isolated; easy to install, easy maintenance. Scope With the changes in market demand to achieve the company's products are constantly upgrading and improving the quality and technology of the production process, broaden the application of the gauge field and scope. In addition, the output signal level meter diverse achieve remote level indication, detection, control and recording. The level gauge can be applied to almost all kinds of industrial automation and process control level measurement and control. Can be widely used in petroleum processing, food processing, chemical, water treatment, pharmaceutical, power, papermaking, metallurgy, shipbuilding and boiler liquid level measurement, control and monitoring. Basic technical parameters measuring range: 300 to choose within 10000mm range indication error: ± 10mm medium density: ≥0.40g / cm3 medium temperature: -80 ~ 400 ℃ Working pressure: PN1.0,1.6,2.5,4.0MPa medium viscosity : ≤150cP wetted: 1Cr18Ni9Ti Flange: PN≤2.5MPa JB / T81-94 / PN≥4.0MPa JB / T82.2-94 DN20, DN25 loose flanges sewage takeover: G1 / 2 (inside) insulation jacket fitting: G1 / 2 internal thread, pressure <0.3MPa overhead Measuring range: 500 ~ 3000 (mm) indicates the error: ± 10mm medium density: ≥0.45g / cm3 medium temperature: -80 ~ 400 ℃ Working pressure: PN1.0,1.6,2.5,4.0MPa medium viscosity: ≤150cP wetted materials: 1Cr18Ni9Ti Flange: PN1.6 DN150 JB / T81-94 alarm contact capacity: 24V 0.2A Output Type: normally open, normally closed switching signal working life:> 105 times the power supply: DC 24V Ambient temperature: -40 ~ 60 ℃ and outlet: M20 × 1.5 (within) remote device Remote Range: 0 ~ 6000mm Accuracy: ± 10mm output signal: DC 4 ~ 20mA load resistance: 500Ω (when powered at DC 24V) Power supply: DC 24V Ambient temperature: -40 ~ 60 ℃ and outlet: M20 × 1.5 (within) proof in the form: flameproof ExdⅡBT4