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The full name of OTDR is Optical Time Domain Reflectometer. An optical time-domain reflectometer (OTDR) is an optoelectronic instrument used to characterize an optical fiber. It is the optical equivalent of an electronic time domain reflectometer. OTDR is widely used in the maintenance and construction of optical cable lines, and can measure optical fiber length, optical fiber transmission attenuation, joint attenuation and fault location.

Gas detectors are usually used to detect toxic, harmful or flammable gases. Toxic gas detectors are generally used in biochemical, pharmaceutical, construction and other industries, while combustible gas detectors are often used in coal mines, petroleum, chemical, fuel and other industries. With the rapid development of the industry, the monitoring of gas in the environment is essential, so how should we choose a gas detector? At present, there are portable gas detectors and fixed gas detectors provided by manufacturers and supplies. These two types of gas detectors are divided into 1 in 1, 2 in 1, 4 in 1 and other specifications, and these products with different specifications have different application functions for gases. The detection standards for different industries and occasions are different, and the detection standards for different gases are also different.

Electric chain hoist is a hoisting and transporting machine that is used to lift or lower heavy loads and can move in the horizontal direction. It has the characteristics of small lifting weight, simple result and convenient operation, and is widely used in the installation, lifting and maintenance of small equipment in industrial and mining enterprises. Generally, electrical power chain hoists have only one constant running speed.

A transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil and the iron core (magnetic core). The main functions are: voltage transformation, impedance transformation, isolation, etc. According to different uses, transformers can be divided into several categories. Today we mainly introduce the applications and advantages of isolation transformers, toroidal Transformers, control transformers, and autotransformers, so that you can make better choices when purchasing.

The spindle motor is also called a high-speed motor, which refers to an AC motor with a rotational speed of more than 10,000 rpm/min. Mainly used in wood, aluminum, stone, hardware, glass, PVC and other industries, it has the advantages of fast speed, small size, light weight, low material consumption, low noise, low vibration, etc. It has attracted more and more attention in related industries. In the modern society with rapid technological progress, the spindle motor has been widely applied, and it couples with its meticulous workmanship, high speed and high processing quality of the motor. Besides, other ordinary motors cannot meet the technical requirements of the spindle motor or play a role as the spindle motor doe in the industrial production process.

A relay is an electrical control device, which is an electrical appliance that makes a predetermined step change of the controlled quantity in the electrical output circuit when the change of the input quantity meets the specified requirements. It has the interactive relationship between the control system and the controlled system. Usually used in automatic control circuits, it is actually an "automatic switch" that uses a small current to control the operation of a large current. Therefore, it plays the role of automatic adjustment, safety protection, and conversion circuit in the circuit.

An encoder is a device that compiles and converts a signal (such as bit-stream) or data into a signal form that can be used for communication, transmission and storage. The encoder converts angular displacement or linear displacement into electrical signals. The former is called a code wheel, and the latter is called a code ruler.

Connector is an indispensable electronic component in human life. For ordinary people, connector is relatively unfamiliar, but for technicians like electronic engineering, connector is something they often come into contact with. Although the role of the connector is relatively simple, the role it plays in human life is irreplaceable! So today we will introduce what is a connector, and two types of connectors, so that you can make the best choice when purchasing.

Gearbox is an important part widely used in the rotation of the system. It consists of two or more gears, including at least one drive gear with a certain diameter, and one smaller gear connected to the drive mechanism (electric motor, wind turbine, diesel generator, and so on).

An induction motor or an asynchronous motor is an AC motor that works on the principle of electromagnetic induction. That is, the rotor obtains torque under the action of the rotating magnetic field generated by the stator, and then the rotor rotates. Since the rotor speed is not the same as the speed of the rotating magnetic field (synchronous speed), the induction motor is also known as asynchronous motor. Induction motors are popular in the industry, since they are simple to build and economical. The following are some essential things you need to consider when buying an induction motor.

Choosing the right water chiller comes down to understanding your cooling needs, selecting the right type, considering key features, and budgeting wisely. Water chillers are systems designed to extract heat from a process or space and dissipate it to another location. Whether you need a home water chiller, a lab-grade water chiller, or an industrial cooling solution, this guide from ATO.com equips you to make an informed purchase that keeps your equipment safe, efficient, and long-lasting.

Hybrid stepper motor is a stepper motor designed by combining the advantages of permanent magnet and reactive. It is divided into 2 phase, 3 phase and 5 phase. The two phase stepping angle is generally 1.8 degrees, the three phase stepping angle is generally 1.2 degrees, and the five phase stepping angle is generally 0.72 degrees.

Digital timer relay has the advantages of accurate measurement, simple setting, multiple protection functions and high speed, etc. It is an ideal substitute for traditional electromagnetic and static relays. Digital time relay is generally used in automation equipment electrical cabinet, street lamp control, water pump timing operation control, equipment timing start and stop control and other occasions. In this article, we will experiment to see how it is set up and works.

Stepper motor is one of many motors. Although it is the same as other motors in terms of functional types, it is different from other types of motors in terms of working principle and structural design. The operation form, functional performance, applicable aspects and performance of different stepping motors are different from other types of motors.

Chain hoists are divided into air chain hoist and electric chain hoist. Air operated chain hoist is a lifting device that uses compressed air as a power source to drive internal mechanical parts to lift and heavy loads. It is composed of a lifting mechanism, a walking mechanism and a gas distribution system. Pneumatic chain block hoist has the characteristics of high frequency, infinitely variable speed and safety. Electric chain hoist is a special lifting equipment powered 3 phase full copper motor to move heavy loads.

The position control mode of the servo motor is very common in the precision movement of industrial automation. The principle is that the servo motor drive carries out precise control of the motor movement after receiving the position pulse and direction pulse of the pulse generator (PLC, single chip microcomputer). Servo motor has three control modes: speed control, position control and torque control. This time we will introduce the position control mode of ATO new servo motor, using PLC to pulse.

There are three commonly used non-contact liquid level sensors, namely capacitive liquid level sensors, ultrasonic liquid level sensors, and separate photoelectric liquid level sensors. The non-contact liquid level sensor can detect the liquid level without contacting the liquid. With this advantage, the application field of the non-contact liquid level sensor has been greatly expanded. The common feature of these three types of non-contact liquid level sensors is that they are not affected by liquid color, corrosiveness, pressure, density, etc., and because the sensor does not directly contact the liquid, it is more hygienic, and it is convenient for users to clean the container, add liquid, etc.

Servo motor can control speed, position accuracy is very accurate. It can convert voltage signals into torque and speed to drive control objects. Servo motor rotor speed is controlled by the input signal, and can respond quickly, in the automatic control system, used as an executive element, and has the characteristics of mechanical and electrical time constant is small, high linearity, can receive the electrical signal into the motor shaft angular displacement or angular velocity output.

Temperature controllers are very common field display instruments and are used in various industrial occasions. Our Dual Channel PID Temperature Controller has an RS485 interface, which can transmit temperature control information to the upper computer through the Modbus RTU protocol for unified information management.

In this blog, we are gonna explain how to connect a Pt100 sensor to the PID temperature controller. To let this happen, we'll use a humidity sensor, a solid state relay and a conventional relay as well as the Pt100 sensor. Follow us to learn the detailed steps.