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thermostat is an instrument allowing the temperature to be maintained within given limits by the use of a device which cuts off the supply of heat when the required temperature is exceeded and automatically restores the supply when the temperature falls below that required. A bi-metal strip is often used to control current supply.

WK series thermostat can control on-off according to the principle of liquid which expands with heat and contracts with cold, and with the characters of extract temperature control, large capacity current, wide range control, stable performance and high sensitivity. What's more, it is applicable to electric water heater, water boiler, electric oven, warm air heater, washing machine, frier, kitchen equipment, etc. The designed temperature is 40~350ºC while on-off temperature difference is 2~12ºC.

WT series thermostat includes an LCD, with either a Fahrenheit or Celsius temperature display. Depending on the model chosen, the room thermostat can transmit sensed temperature, setpoint temperature, occupancy status, and low battery conditions to an associated router and gateway.

KST series thermostat is designed with high power in mind rated up to 16 amps and available in adjustable or fixed settings. The position of the adjustment shaft determines the desired temperature. These controls are sensing ambient heat and this heat will transfer through the metal mounting plate.

thermometer is an instrument that measures temperature. It can measure the temperature of a solid such as food, a liquid such as water, or a gas such as air. The three most common units of measurement for temperature are Celsius, Fahrenheit, and kelvin.

bimetallic thermometer consists of a bimetallic strip, which is constructed by bonding together with two thin strips of two different meta s, such that, they cannot move relative to each other. Bimetallic strips can be arranged in various forms like flat, spiral and single helix and multiple helix configurations.

capillary thermometer with capillary puts users in the position to be able to measure the process temperature, even at inaccessible points. By means of a contact bulb it can also be measured on the smallest pipelines. Another advantage is the bridging of greater distances.

heating element converts electrical energy into heat through the process of Joule heating. Electric current through the element encounters resistance, resulting in heating of the element. Unlike the Peltier effect, this process is independent of the direction of current.

liquid heating tube consists of a sealed pipe or tube made of a material that is compatible with the working fluid such as copper for water heat pipes, or aluminium for ammonia heat pipes. Typically, a vacuum pump is used to remove the air from the empty heat pipe.

Section switch refers to the switch on the main channel of a distribution line, through which the line can be divided into several sections to reduce the loss of power outages, because it is on one line, so when the substation switch is out of power, it is impossible to pass the subsection. The switch transfers the power supply to the load.

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