NTC weather resistance.Stage lens sales

　　1. NTC sensor cold resistance

　　ΔR/R25≤±3% Continuously placed in the air at the specified minimum operating temperature for a specified time. After the test, it was left to stand for 1 hour in a standard state, and then the measurement was performed.

　　2. NTC probe heat resistance

　　Continuously placed in the air at the specified maximum operating temperature for a specified time. After the test is completed, the measurement is carried out after standing in the standard state for 1 hour.

　　3. Temperature Probe Temperature Cycling

　　Within the operating temperature range, keep the specified minimum operating temperature, maximum operating temperature and normal temperature for the specified time respectively, and repeat the specified number of times. After the test, it was left to stand for 1 hour in a standard state, and then the measurement was performed.

　　4. Thermal shock of temperature probe

　　–20℃×30min→normal temperature×10min→100℃water×30min→normal temperature×10min, a total of 10 cycles back and forth, within the operating temperature range, keep the specified minimum operating temperature and maximum operating temperature for the specified time respectively, repeat the regulations frequency. After the test, it was left to stand for 1 hour in a standard state, and then the measurement was performed.

　　5. Moisture resistance

　　Place at the specified temperature and relative humidity for the specified time. After the test, it was left to stand for 1 hour in a standard state, and then the measurement was performed.

　　6. NTC high temperature load

　　Within the operating temperature range, at the specified maximum operating temperature, apply the specified electrical load and leave it for a specified time. After the test is completed, the measurement is carried out after standing in the standard state for 1 hour.

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