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The relay protection testing instrument is divided into two circuits, the main circuit and the auxiliary circuit. The main circuit is adjusted with a large knob, and the auxiliary circuit is adjusted with a small knob. The main circuit controls the various outputs of the circuit through the "output selection" key switch on the panel, and Each time an output is switched, the digital voltage/current meter on the instrument can automatically monitor its output value. The auxiliary circuit directly adjusts the output through the output switch control, and the measurement can be measured with an external multimeter.

Industrial vacuum cleaner is used in industrial production to collect waste on the floor, filter and purify air, and clean up production environment. Industrial vacuum cleaners provide efficient and safe cleaning assistance for industrial vacuum dust extraction system and are widely used in various fields such as chemical industry, machinery, foundry, medicine, textile and so on. ATO offers best industrial vacuum cleaner, including single-phase/three-phase industrial vacuum cleaner with HEPA filter, continuous duty industrial vacuum dust extractor, wet and dry vacuum cleaner, heavy-duty industrial vacuum cleaner, vacuum cleaner with double dust canister.

In industrial production and scientific research, the measurement of viscosity is often used to monitor the composition or quality of substances. For example, in the production of polymer materials, the application of a viscometer can monitor the viscosity of synthetic reaction products, automatic control of the reaction end point. The viscosity measurement is also required in other processes such as oil cracking, lubricating oil blending, automatic control of certain food and drug production processes, monitoring of crude oil pipelines, and quality testing of petroleum products and paints.

Heat exchanger can realize heat transfer between two or more medium with different temperatures, conducive to reducing industrial production cost. Heat exchanger transfers heat from the higher temperature fluid to the lower temperature fluid, so that temperature reaches technology standard and meet needs of process conditions. ATO provides high-quality brazed plate heat exchangers at best price. You can buy the best brazed plate heat exchanger online at the lowest cost. Brazed plate heat exchanger is vacuum brazed by copper or nickel, no gasket, high temperature resistance, high-pressure resistance, and high heat exchange efficiency.

The 3 phase variac voltage regulator is an electronic component used between the power supply and the load.  Three-phase voltage regulator can well adjust the voltage, current and power applied to the load, and ensure a good circuit. Security. Three-phase voltage regulators are also called thyristor power regulators and power regulators.

Electromagnetic brake A mechanical part that stops or decelerates moving parts in a machine. Commonly known as brakes, brakes. The brake is mainly composed of a brake frame, brake parts and a control device. Some brakes are also equipped with an automatic adjustment of the brake clearance. In order to reduce the braking torque and structure size, the brake is usually installed on the high-speed shaft of the equipment, but large equipment with high safety requirements (such as mine hoists, elevators, etc.) should be installed on the low-speed shaft near the working part of the equipment on.

A flow meter is an instrument used to measure the volume or mass of a gas or liquid. ATO.com offers you various flow meters including magnetic flow meter, vortex flow meter, turbine flow meter and portable ultrasonic flow meter, to suit your different applications. Then, how can you choose an appropriate flow meter? It can be considered from five aspects: flow meter performance, fluid characteristics, installation conditions, environmental conditions and economic factors.

The DC reactor, also known as the flat wave reactor, is mainly used on the DC side of the converter, and has more applications in general inverters. A DC current having an AC component flows through the reactor. The main purpose is to limit the AC component superimposed on the DC current to a specified value, keep the rectified current continuous, reduce the current ripple value, improve the input power factor, and suppress the harmonics generated by the converter.

The colorimeter is used to measure the color and color difference of object reflection, ISO brightness and fluorescent whitening of fluorescent whitening materials, CIE whiteness, ceramic whiteness, whiteness of building materials and non-metallic mineral products, and Hunter. System Lab and Hunter Whiteness, yellowness measurement, opacity, transparency, light scattering and light absorption coefficients, and instruments for measuring ink absorption.

The biggest difference between a permanent magnet generator and an excited generator is that its excitation magnetic field is generated by a permanent magnet. Permanent magnet is both a magnetic source and a component of a magnetic circuit in a motor. The magnetic properties of permanent magnets are not only related to the manufacturing process of the production plant, but also to the shape and size of the permanent magnets, the capacity of the magnetizer and the method of magnetization. Moreover, the magnetic flux and magnetomotive force that the permanent magnet can provide in the motor also vary with the material properties, size, and motor operating state of the rest of the magnetic circuit. In addition, the magnetic circuit structure of permanent magnet generators is various, the leakage magnetic circuit is very complicated and the leakage magnetic flux accounts for a large proportion, the ferromagnetic material part is relatively easy to saturate, and the magnetic permeability is nonlinear.

Rotary switch is a multi-circuit control electrical appliance which is composed of multiple sets of contact components with the same structure. It consists of operating mechanism, positioning device, contacts, contact system, shaft, handle and other components. The contacts are in an insulated base, which is a double-break point contact bridge structure. The movable contacts are designed to be automatically adjusted to ensure the synchronization during opening and closing. The static contacts are installed in the contact base. It relies on cams and brackets to operate and control the closing and opening of contacts.

A soldering station is a hand tool commonly used in the electronic soldering process. The two workpieces are welded by heating the solder (usually referred to as tin wire) to melt it. The soldering station has a wide range of uses. From common electronic home appliance repairs to electronic integrated circuits and chips, it will be applied to the soldering station as a welding tool, but it is most commonly used for soldering of PCB circuit boards in electronics factories.

ATO single-phase to three-phase converter adopts AC-DC-AC circuit structure and adopts SPWM modulation control technology, which can convert ordinary single-phase power to industrial three-phase power. After the single-phase to three-phase inverter power conversion, the three-phase power output is a standard pure sine wave, and the harmonic distortion rate (THD) is less than 2%, which is suitable for all types of loads.

A wind turbine converts wind energy into mechanical work, which drives the rotor to rotate and finally outputs AC power equipment. Wind turbines generally consist of blades, generator tails, towers, swivels, and energy storage devices. The blade is used to receive the wind and turn it into electricity through the nose. The tail makes the blade always face the direction of the wind to obtain the maximum wind energy. The rotation can make the nose rotate flexibly to achieve the function of adjusting the direction of the tail. The rotor of the nose is permanent. Magnets, stator windings cutting force lines generate electrical energy.

ATO specialize in providing water quality tester including hydrometer, salinometer, TDS meter, brix refractometer, alcohol refractometer, and coolant refractometer. Digital hydrometer, salinity meter and TDS tester have high precision and various measurement range, very suitable for measurement of liquid specific gravity in aquarium and alcohol products brewing production. Hand-held portable refractometer use optical principle, with digital high-definition display, automatically detect brix and specific gravity of liquids such as sugar solution, beer, wine, honey, coolant, antifreeze and so on. Products have the advantages of low price, complete functions, exquisite appearance, high precision, easy maintenance and long service life.

Here is the price list of ATO water quality tester for your reference. You can view the water quality tester directory for more information.

Slip ring can be used in any electromechanical system that requires 360° rotation and continuous transmission of power and data signals. Common slip rings are electrical slip ring, pneumatic slip ring, rotary joint, miniature slip ring and through hole slip ring. Principle of the slip ring is a precision transmission device that realizes current, data signal or image and power transmission of two relative rotating mechanisms. It is often used in equipment that requires unrestricted continuous 360° rotation and transmit electrical signals and data signals from a fixed position to a rotating position.
Here is the price list and key specifications of ATO slip ring for your reference. You can view the slip ring directory for more information.

The mig welder has no welding current output.
Fault reason: There is no voltage input at the input end of the welder, the internal wiring is disconnected or broken, the internal coil is burnt out.
Treatment method: Check the switch, wire, fuse and connection part from the distribution box to the input end of the welder. Check that the wiring of the internal switch and coil of the welder is intact. Check if the internal components of the welder are burnt out (it is obvious that the burnt marks are usually burnt, and a special smell will be smelled when burned). If it burns out, it should be replaced.

Welding fume extractor is easy to install, and requires no extra pavement of the smoke pipeline nor professionals' control. The large-power brushless electric machine is equipped to lengthen the service life of the equipment. When the equipment is operating, the noise volume is low, and the air flow is high. The triple filtration design is adopted, including the basic effect filter, intermediate effect filter and primary filter. The multilayer protection has achieved an ideal purification effect, which is above 99%, so the air after purification can be directly discharged indoor. The large-scale basic effect filter can effectively filter out dust of large particles to lengthen the service life of the main filter.

The magnetic particle brake is a magnetic powder chain formed by the braking component and the moving component relying on the electromagnetic attraction of magnetic power. The magnetic particle brake is a high-performance and multifunctional automatic control component, which has been, so far, widely applied to unwinding and unrolling tension control of the paper-making industry, printing industry, plastic industry, rubber industry, textile industry, printing and dyeing industry, cable and wire industry, metallurgy industry, tablet press industry and other reeling processing industry. Characterized by the linear relationship between the exciting current and the transfer matrix, the magnetic powder brake can deliver certain torque, and has the advantages, including fast response, simple structure, non-pollution, non-noises, non-impact vibration, and energy conservation under the condition that the same slip is irrelevant.

The DC hi-pot tester, though with a higher test voltage, is found with insulation weaknesses, but the insulation of electric appliances is mostly composite dielectrics, whose voltage is distributed by resistance under the effect of DC voltage. Therefore, the DC hi-pot test might not find out the weaknesses of the DC electric appliances under the AC electric field. On the contrary, the AC hi pot tester is in line with the electric conditions imposed on the electric appliance during its operation process. Meanwhile, the AC hi-pot tester is generally higher than the operating voltage. Therefore, after passing the test, the appliance can gain a larger safety margin, so this test has been a major method to guarantee operation safety.