NTC temperature sensor for solar water heater

　　Solar water heaters and electric water heaters have gradually replaced water heaters using gas. The principle of solar water heaters is a heating device that converts solar energy into heat energy, heating water from low temperature to high temperature, so as to meet people's hot water use in life and production.

　　The components of the solar water heater include the heat collector (using the radiant heat of the sun), insulated water tank (the hot water collected through the heat collecting pipe must be stored through the insulated water tank to prevent heat loss), bracket (the bracket supporting the insulated water tank and the heat collector; generally, stainless steel, aluminum alloy and steel plastic spraying), connecting pipes and control components. The solar water heater first enters the cold water into the heat storage tank, and then transfers the heat to the insulation tank through the heat collector.

　　Product features:

　　Easy to install and operate

　　Customized according to customer requirements

　　High precision NTC thermistor chip

　　Precise test can accurately reflect the temperature change

　　It can work in the high temperature range of 200 to 300 ℃

　　Nominal resistance: R25 (25 ℃): 10K, 100K

　　Suitable for various environments (high temperature, humidity, dust, corrosion, etc.)

　　Product parameters:

　　Resistance range: R 25 ° C, 1 to 230k Ω

　　Color temperature range: 3300 to 4600K

　　Operating temperature range: - 40 to 350 ° C (stainless steel hot contact parts only)

　　Withstand voltage: AC 1800V/3S without breakdown or flicker (cut-off current 1mA)

　　Insulation resistance: DC 500V resistance 100m Ω or above (between glass and lead)

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