Dwyer Switch A3008

03/25/2024

What Parts Does the Servo System Consist of? (Basic Components, Working Principle, Application)

A servo system refers to a system that can perform desired movements according to external instructions, achieving automatic control of output quantities including position, direction, status, etc.

08/17/2020

Temperature has a great influence on refrigeration and air-conditioning systems, don’t you know

The relevant temperature of the components of the refrigeration and air-conditioning system has a normal temperature range, and it is an abnormal state if it exceeds this range.

08/27/2020

Maintenance method and practice of air compressor electrical equipment

There are many commonly used electrical equipment, such as circuit breakers, contactors, relays, thermal relays, switches, etc., these are hard circuits, in addition to PLC, etc., these equipment is very widely used in air compressors and station rooms, it can be said to be necessity.

10/16/2021

How to Use a Rotary Encoder

A rotary encoder converts the angular position or motion of a shaft or axle to analog or digital output signals, so it is also called a shaft encoder. Absolute encoder and incremental encoder are the two main types.

07/31/2024

Revealing the Secrets of Excavator Hydraulic Control System and Troubleshooting

The excavator hydraulic system is an assembly that organically connects various hydraulic components with pipelines according to the transmission requirements of the excavator's working devices and various mechanisms.

08/04/2020

HVAC people, have you made these mistakes?

As a HVAC person, constantly summing up experience and accumulating knowledge in the work can be said to be a necessary quality, but as the saying goes, failure is the mother of success.

08/11/2020

The temperature status and failure causes of the unit components of various commercial central air conditioning systems

As we all know, refrigerators are divided into screw refrigerators and other different types of refrigerators, but this is classified by compressors, and by the heat dissipation method and cooling system,

08/24/2020

Why does the cooler temperature drop slowly

1. The cold storage has a large loss of cold due to poor heat insulation or sealing performance. 　　 Poor thermal insulation performance is due to insufficient insulation thickness of pipes, warehouse insulation walls, etc.,

07/07/2020

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

08/20/2020

No kidding, which three leaks of air conditioning in summer will kill you

Summer is the peak time for the purchase of air conditioners. In addition to buying the right air conditioner, the installation of the air conditioner, from the author's point of view, requires more effort than the product itself.