The wattage of the heater doesn't matter. What does matter is the expected temperature range of the process. This may suggest the best thermocouple type, RTD, or thermistor to use. And also how easily the sensor can interface with whatever additional instruments are controlling the process.
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i have one problem in my thermistor it was frequently failure once in a month i am using 2000W heater and the thermistor range 15A 250V ac 30-70C grishego make
The numbers 15A and 250V do not seem to apply to any thermistor that I am aware of. (They might apply to the heater, though). For the range of 30-70°C, an RTD would be a good choice of sensor.
What is the nature of the failure? Temperature a few degrees off, long way off high, or long way off low? What chemical conditions are there that might corrode the sheath of the probe? What kind of cable connects the sensor to the measuring instrument? If the cable is shielded, which end is grounded/earthed?
Please try to describe in more detail.
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Thermistor
Re: thermistor
