Bante TongAo YUEFENG JingQi NOBOTECH QiWei

Portable desktop

0 ~ 50NTU 0 ~ 200NTU 0 ~ 1000NTU 0 ~ 2000NTU 0 ~ 4000NTU

0.001 0.01 0.1

±0.5% ±1% ±1.5% ±2%

beer bacteria