Amakilasi okunembaamamitha okushisa e-ultrasoniczihlukaniswe ngeKilasi 1, Ikilasi 2, kanye neKilasi 3. Ikilasi 1 linokunemba okuphezulu kakhulu, kanti Ikilasi 3 linokunemba okuphansi kakhulu.
Ngokusho kwe-CJ 128 – 2007 “Heat Meters” ejwayelekile, ukunemba kokulinganisa kwe-heat meter kunqunywa yinani lezibalo lamaphutha aphezulu ezicini ezintathu: ukunemba kwe-calculator, ukunemba kwezinzwa zokushisa ezibhangqiwe, kanye nokunemba kwe-flow sensor. Amafomula athile okubala alandelayo:
- Imitha yekilasi 1: E=±(2+4Δt/tmin+0.01qp/q)
- Imitha yekilasi lesi-2: E=±(3+4Δt/tmin+0.02qp/q)
- Imitha yekilasi lesi-3: E=±(4+4Δt/tmin+0.05qp/q)
Phakathi kwazo, i-Δtmin umehluko wokushisa omncane (K), i-Δt umehluko wokushisa ngaphakathi kobubanzi bokusebenza (K), i-qp isilinganiso sokugeleza esijwayelekile (m3/h), kanye ne-q isilinganiso sokugeleza ngaphakathi kobubanzi bokusebenza (m3/h).
Isikhathi sokuthunyelwe: Ephreli-01-2025