Schneider Relay LR9F7381

08/13/2020

Several symptoms of fluorine deficiency in refrigerators in summer

In summer, the frequency of use of refrigerators is relatively high, and the intensity of use is relatively high, so fluorine deficiency is prone to occur. How to judge whether the ice water machine is lack of fluoride in summer?

07/20/2020

How to eliminate the difficult problems of the salt spray test chamber

Many people will blame the poor quality of the salt spray test box in actual use. However, the relevant departments have used statistical data to tell us that more than 50% of these problems are caused by operation. Only 5% is the quality problem of the salt spray test box itself.

06/14/2020

How to solve the problems encountered during the operation of 120KW cold air-cooled compressor

The 120KW cold capacity air-cooled compressor mainly has three related systems: refrigerant circulation system, water circulation system and automatic electrical control system.

06/29/2020

How the compressor works

06/14/2020

Carry out special inspection of centralized air conditioning and ventilation systems

Carry out special inspection of centralized air conditioning and ventilation systems Recently, the Keqiao District Sanitary Supervision Department has carried out special inspections

08/18/2020

Several issues that need attention in the cold storage verification report in the new GSP requirements

The new version of the GSP requires that pharmaceutical business and distribution companies must build a temperature and humidity monitoring system, and form a verification report after scientific testing for inspection by the drug regulatory department.

05/24/2022

Working Principle and Composition of Safety Light Curtain?

Safety light curtain is generally used in high-risk mechanical equipment such as punch press, stamping and non-standard machinery to protect workers from personal injury.

04/12/2024

Servo Motor Applications: a Complete Guide

Servo motors are widely used in various mechanical equipment. It has the characteristics of fast response, high precision and high reliability, and can achieve precise position control, speed control and force control.

07/18/2020

Maintenance method for wear of refrigerator refrigeration compressor

　The application of screw refrigeration compressors is becoming more and more common, and some of them have entered the period of frequent failures. When the abrasion of the female and male rotors, body, and exhaust end seat of the refrigeration compressor reaches above 0.65rnm, vibration will occur when the refrigeration compressor is running, the sound is abnormal, the cooling capacity is reduced, and the compressor cannot work normally.

07/31/2020

How to clean the precision air conditioner in the standby room？

The precision air conditioner in the computer room is the guarantee of constant temperature and humidity in the data center of the computer room.