NTC Thermistor Calculators (XIXITRONICS)
Gbakọọ uru B ma ọ bụ okpomọkụ site na iji Steinhart-Hart Equation
Ihe Ngụkọta Uru B
Uru B ga-apụta ebe a
Ihe mgbakwụnye Steinhart-Hart
Okpomọkụ ga-apụta ebe a
Banyere NTC Thermistor
NTC (Negative Temperature Coefficient) bụ ihe mmetụta okpomọkụ nke iguzogide ya na-ebelata ka okpomọkụ na-arị elu.
Usoro uru B
Uru B na-akọwa mmekọrịta dị n'etiti iguzogide na okpomọkụ:
B = [ln(R₁/R₂)] / [(1/T₁) - (1/T₂)]
Ebe okpomọkụ ga-adịrịrị na Kelvin (K = °C + 273.15)
Nha Steinhart-Hart
Ụdị ziri ezi karị maka ịgbanwe iguzogide na okpomọkụ:
1/T = A + B·ln(R) + C·[ln(R)]³
Ebe T dị na Kelvin, R bụ iguzogide na ohms, ebe A, B, C bụ ihe ndị metụtara thermistor kpọmkwem.
Usoro uru B na-eji ihe nlereanya dị mfe nke na-eche na uru B na-agbanwe agbanwe n'ofe oke okpomọkụ. Usoro Steinhart-Hart na-enye izi ezi ka elu site na iji ihe atọ na-akọwa maka omume na-abụghị nke ahịrị.
