Iiklasi zokuchanekaiimitha zobushushu ze-ultrasoniczahlulwe zaba yiKlasi yoku-1, iKlasi yesi-2, kunye neKlasi yesi-3. IKlasi yoku-1 inobuchane obuphezulu, ngelixa iKlasi yesi-3 inobuchane obuphantsi.
Ngokwe-“Heat Meters” eqhelekileyo ye-CJ 128 – 2007, ukuchaneka kokulinganisa imitha yobushushu kugqitywa sisiphumo sezibalo seempazamo eziphezulu zemiba emithathu: ukuchaneka kwesixhobo sokubala, ukuchaneka kweenzwa zobushushu ezidibeneyo, kunye nokuchaneka kwesixhobo sokuhamba kwamanzi. Iifomyula ezithile zokubala zezi zilandelayo:
- Iklasi ye-1 yemitha: E=±(2+4Δt/tmin+0.01qp/q)
- Iklasi yesi-2 yeemitha: E=±(3+4Δt/tmin+0.02qp/q)
- Iklasi yesi-3 yeemitha: E=±(4+4Δt/tmin+0.05qp/q)
Phakathi kwazo, i-Δtmin ngumahluko omncinci wobushushu (K), i-Δt ngumahluko wobushushu ngaphakathi koluhlu lokusebenza (K), i-qp ngumlinganiselo oqhelekileyo wokuhamba (m3/h), kwaye i-q ngumlinganiselo wokuhamba ngaphakathi koluhlu lokusebenza (m3/h).
Ixesha lokuthumela: Epreli-01-2025