SENSORC Light Curtain S100-2062-PJ

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/21/2020

Avoid stepping on pits when buying air conditioners, just refer to these points!

Recently, as the temperature rises, some cities in the north have entered a continuous high temperature mode. The continuous high temperature has caused many people to complain: "The air conditioner makes my life a second spring"! The same goes for it, such a hot weather, it is really hard to imagine without air conditioning.

09/07/2020

Standard summary of threads in the pneumatic industry

Threads are used to deal with machinery every day, especially hydraulic and pneumatic. For a long time, domestic and foreign, metric and imperial, straight cone, sealed and unsealed, inner and outer, 55 degrees and 60 degrees .

07/15/2020

About the built-in pressure relief valve (IPR valve) of Copeland compressors

About the built-in pressure relief valve (IPR valve) of Copeland compressors Among the built-in protection devices of Copeland compressors ZB15-ZB48, ZF06-ZF25, there is a small pressure protection device called built-in pressure relief valve (IPR valve). Below we briefly talk about the work of the built-in pressure relief valve.

09/17/2020

Sensor basic knowledge and common terms

1. Sensor: a device or device that can sense the prescribed measurement and convert it into a usable output signal according to a certain rule. Usually composed of sensitive components and conversion components. ① Sensitive element refers to the part of the sensor that can be directly (or responded) to be measured.

08/09/2020

How to recycle Freon when the air conditioner is moved What should I pay attention to when moving the air conditioner

The price of buying an air conditioner is not low, so many people will definitely remove the air conditioner when moving. When moving the air conditioner, it is necessary to recycle the Freon.

08/09/2020

What is the reason that the temperature of the freezer cannot drop

It is a common phenomenon that the temperature of the supermarket freezer does not drop and the temperature drops slowly. Now I will briefly analyze the reasons for the slow temperature drop, hoping to bring some help to friends in the industry.

05/26/2023

How to Fix an AC Compressor?

The compressor is the most important part of the refrigeration cycle of the air conditioner.

10/14/2025

Differences between a Contactor and a Relay

The contactor and the relay are all control devices used in electric circuit. But they cannot replace each other. The followings are the main differences between the two.

07/16/2020

Why should the high and low temperature test chamber be debugged and calibrated?

In order for the high and low temperature test chamber to exert its maximum efficiency and stability in the hands of customers, the most important thing is to debug and calibrate the factory during the 15-day forward behavior period. The following are the three methods for calibrating the high and low temperature test chamber and their The advantages and disadvantages of