NTC Thermistor Tshuab xam zauv (XIXITRONICS)
Xam B-tus nqi lossis Kub siv Steinhart-Hart Equation
B-Value Tshuab xam zauv
B-tus nqi yuav tshwm sim ntawm no
Steinhart-Hart Tshuab xam zauv
Kub yuav tshwm ntawm no
Hais txog NTC Thermistors
NTC (Negative Temperature Coefficient) thermistors yog qhov ntsuas kub ntsuas uas nws tsis kam txo qis thaum kub nce.
B-Value Formula
B-tus nqi qhia txog kev sib raug zoo ntawm kev tiv thaiv thiab kub:
B = [ln(R₁/R₂)] / [(1/T₁) - (1/T₂)]
Qhov twg kub yuav tsum nyob rau hauv Kelvin (K = ° C + 273.15)
Steinhart-Hart Equation
Tus qauv tseeb dua rau kev hloov ua haujlwm rau qhov kub thiab txias:
1/T = A + B·ln(R) + C·[ln(R)]³
Qhov twg T yog nyob rau hauv Kelvin, R yog kuj nyob rau hauv ohms, thiab A, B, C yog coefficients tshwj xeeb rau lub thermistor.
Txoj kev B-tus nqi siv tus qauv yooj yim uas xav tias qhov B-tus nqi tas li thoob plaws qhov kub thiab txias. Qhov sib npaug Steinhart-Hart muab qhov tseeb dua los ntawm kev siv peb cov coefficients uas suav nrog tus cwj pwm tsis zoo.
