September 30, 2019 Speed control switch

Switches To Control AC Motors

Can you vary the speed of an AC motor? AC motors are constant speed devices, but their speed may vary if the output voltage or frequency is modified. Why speed control switch is needed? Some loads require variable speed. If the load requires a variable speed (e.g. in case of traction motor), speed control becomes […]

Read more
July 17, 2019

Mega Clima east Africa

The three-day annual event represents the largest industrial platform of its own region, East Africa, in the refrigeration, air conditioning, ventilation and heating sector. Manufacturers, distributors and many other brands have already reserved their place at the fair, and many companies hope to reveal the new HVACR products and the latest technology. It’s a great […]

Read more
June 25, 2019

RefriAméricas 2019 Congress

Where: In the Miami Airport & Convention Center (MAAC) When: June 26 and 27 Three fairs in one. The main actors of the security, Facility Management and HVAC / R industries will meet on June 26 and 27 in Miami to share knowledge, make contacts and update on the most innovative technologies and the main […]

Read more
June 10, 2019 Día Mundial de la Refrigeración

First World Refrigeration Day

First annual World Refrigeration Day will take place on the 26 June 2019. It will be with the support of the United Nations Environment Program (UNEP). The initiative to take place the World Day of Refrigeration has been instituted with the aim of increasing the awareness of the international community about its role in modern […]

Read more
June 4, 2019 Paraguay Expo Frio Calor

ExpoFríoCalor Paraguay 2019

International Exhibition of Air Conditioning, Heating, Ventilation, Refrigeration and Sanitary Hot Water. About to start a leading fair in hvac + r on the other side of the lake. On June 19-20, the small but known as the most important in its country, the exhibition Frío Calor of Paraguay is a fair that must be […]

Read more
May 22, 2019

CAHE exhibition 2019

China International Animal Husbandry Expo, known worldwide as CAHE, took place between May 18th and 20th. Changing of venue every year, the event held this year in WuHan, is the most notable of the sector in Asia, and covers the entire livestock chain from farm to table (swine, poultry, cattle, sheep, goats, etc …), animal […]

Read more
May 16, 2019 Temperature-Controls (1)

What is a Temperature Controller?

A temperature controller, as its name indicates, is a device that is used to control temperature. The temperature controller system has an input from a temperature sensor and has an output that is connected to a control element such as a heater or fan. How does a temperature controller works? The temperature controller reads an input […]

Read more
May 8, 2019 Single-phase-autotransformers

What is an Autotransformer?

The autotransformer are a kind of electrical transformer where primary and secondary shares same common single winding. In other words, it’s a one winding transformer. An auto transformer is similar to a two winding transformer but differ in the way the primary and secondary winding are interrelated. In an auto transformer, one single winding is […]

Read more
April 29, 2019

Barcelona Building Construmat 2019

The next appointment is at Fira Barcelona from May 14 to 17. The contest that brings together all the innovation in construction, and that this year will present Future House. This new area brings together in a five-phase cycle the construction of the houses of the future: – Advanced materials and bio. The new materials […]

Read more
April 3, 2019 Temperature-Sensor-KTY-81

What are the temperature sensors used for?

A temperature sensor or thermal sensor is a device that, by mechanical or electrical means, transmits from one place (emitter) to another (receiver) the temperature of the emitter. That is, they are used for measuring the temperature and transmitting the signal to a remote control. Mechanical Temperature Sensors A mechanical temperature sensor consists of a […]

Read more