water meters for sale
water quality test
ph water meter
Weight: 42g; Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,Paypal; Meauring Range: 0.00~14.00pH; Supply Ability: 5000 Piece/Pieces per Week ,ph orp ec meter; Accuracy: ± 0.05pH; Place of Origin: Guangdong China; Type: Pen type ph meter; Port: shenzhen port; Product name: PH meter; Warranty: