He aha ka papa pololei o ka mika wai ultrasonic?

ʻO nā papa pololei onā mika wai ultrasonicua māhele ʻia i Papa 1 a me Papa 2.

1. No nā mika wai Papa 1 (pili wale nō i nā mika wai me Q3​≥100 m3/h), i loko o ka pae mahana wai o 0.1∘C a i 30∘C, ʻo ka hewa nui loa i ʻae ʻia o ka mika wai ma ka ʻāpana kahe kiʻekiʻe (Q2​≤Q≤Q4​) he ±1%; a ma ka ʻāpana kahe haʻahaʻa (Q1​≤Q
2. No nā mika wai Papa 2 (pili i nā mika wai me Q3<100 m3/h, a pili pū i nā mika wai me Q3≥100 m3/h), i loko o ka pae mahana wai o 0.1∘C a i 30∘C, ʻo ka hewa nui loa i ʻae ʻia o ka mika wai ma ka ʻāpana kahe kiʻekiʻe (Q2≤Q≤Q4) he ±2%; a ma ka ʻāpana kahe haʻahaʻa (Q1≤Q