Keyence Sensor UD-300

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.

08/16/2020

Refrigeration industry dry goods sharing How to choose air conditioning in summer to save money

The pace of summer is getting closer and closer to us, and domestic air-conditioning and refrigeration manufacturers are also preparing for market share competition.　　

06/14/2020

Working principle of inverter compressor

     The principle of inverter compressor inverter controller is to convert the alternating current in the power grid into a square wave pulse output. By adjusting the frequency of the square wave pulse (that is, adjusting the duty cycle), the speed of thﰸ2䀀
ￜ皥
䖒皦즠Ʋ娼ི㲈Ʋ
䌁皦隆
ᮔDž༬皧婆ིЀ呄ᠾ鹨់༹皧
ࠄ
00븹먱댁珵理뛐珵Љ
䕄ྦ

01/03/2021

Danfoss Sight glass

Check the stamp and the indicator color It pays to stay clear of counterfeited products. The dangers of choosing fake rather than genuine Danfoss products are significant and likely to jeopardise your reputation in the market. Go genuine. Our sigh器2䀀
ￜ皥
䖒皦즠Ʋ奌ི㲈Ʋ
䌁皦
ᮔDž༬皧奖ིЀ呄ᠾ鹨់༹皧
ࠄ
00령ꐱ댁珵뛐珵Љ
䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ
瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥
ب巠皱㙲皦忈皱੨皦柘皱
즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦
ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ
랖僧֤識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

02/28/2022

Four Things about the CT (Current Transformer)

The CT (Current Transformer) is a component used to detect current signals, which is based on a transformer.

08/15/2020

Solution to the condensing pressure of the chiller refrigeration system

1. The condenser of the chiller is dirty Computer room chillers generally use air-cooled condensers, which are composed of multiple sets of coils, and fins are added to the coils to increase the heat transfer area on the air side.

08/07/2020

Don't let the air conditioner "false malfunction" fool you

in winter, the utilization rate of air conditioners soars. On the other hand, okmarts.com, a service network owned by O&K, sometimes receives calls from citizens saying that the air conditioner at home is broken.

09/22/2020

Discussion on Calculation Method of Surge Line of Rich Gas Compressor

1 Introduction The catalytic cracking rich gas compressor is a kind of compressor, which is very representative. For this reason, the catalytic cracking rich gas compressor is taken as an example to discuss the calculation method of the surge line of the rich gas compressor control system.

06/29/2020

What is the cause of compressor pipeline vibration

07/08/2020

How to solve the problem of poor oil return of screw chiller

1. What is the cause of the poor oil return of the screw chiller? 　　 Generally speaking, the reason for the poor oil return of the screw chiller is mainly due to the phenomenon of the gas mixture of lubricating oil and refrigerant during the operation. Specifically, in the operation of the refrigeration system, encountering the miscibility of the refrigerant and the refrigerator lubricating oil will cause the lubricant in the refrigeration compressor to run and the refrigerant will be discharged into the condenser in the form of gas mist and droplets.