Honeywell Sensor HIH-4602-L

09/08/2020

Advantages and disadvantages of closed motor and open motor of air compressor

Air compressor enclosed motor: Protection grade: IP44, IP54, IP55 　　 Advantages: 　　1) Wide application range. The air compressor driven by a closed motor can be used in places with poor environment. For example, there is a lot of dust and the fibers are flying. Factories and mining industries with corrosive gas and other surrounding areas.

08/27/2020

When is the best time to change the bearing oil?

Under normal circumstances, it is very common to replace the lubricating oil in a short period of time, and more grease is often added. Let me explain to you the relevant knowledge below, I hope it will be helpful to you

01/23/2024

Single Fan and Dual Fan for Household Central Air Conditioning Outdoor Unit: How to Choose?

Central air conditioning generally includes indoor units and outdoor units. For the selection of outdoor units, there are generally single fan and double fan types to choose from. So which one is better to choose?

06/25/2020

Talking about the working process and working principle of screw compressor

Screw compressors, also known as screw compressors, are divided into single screw compressors and twin screw compressors. The single-screw compressor was developed by Sinn of France in the 1970s. Because its structure is more reasonable, it is quickly applied to the field of national defense and protected by the developing country.

08/02/2020

How to solve the problem of high radiation in the refrigerator

Although the radiation of the refrigerator cannot be said to be large, the radiation protection cannot be ignored. Many people think that although the electric refrigerator has radiation, the radiation is not large, and it should not have an impact on the human body.

07/23/2020

Do you know the causes, hazards, treatment and prevention methods of compressor liquid strike?

Liquid hammer refers to the situation in which the refrigerant liquid or wet vapor is sucked into the compressor by the compressor due to the failure or insufficient heat absorption and evaporation of the refrigerant, which is called liquid hammer.<br></br> <br></br>

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.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/16/2020

The old method of repair and maintenance of screw chiller

With the development of economy and the improvement of production process requirements, screw chillers have become an important aspect of most enterprises’ production cooling needs.

07/22/2020

The refrigerator is not cooling, and the compressor ‘buzzes’ after turning on the battery for a few seconds. What's the matter?

A few days ago, I received a call from a customer asking for repairs, saying that her refrigerator had suddenly stopped cooling in the past two days. The light bulb in the plug-in fresh-keeping room was on, and no movement was heard.