Laboratory&Portable pH&ORP Meter
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              Laboratory pH ORP Meter★ Model No: PHS-1705 ★ Power Supply: DC5V-1W ★ Features: LCD display, strong structure, long life time ★ Application: laboratory, Benchtop waste water, clean water 
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              Portable pH&ORP Meter Used For Field★ Model No: PHS-1701 ★ Automation: automatic reading, stable and conventient, automatic temperature compensation ★ Power Supply: DC6V or 4 x AA/LR6 1.5 V ★ Features: LCD display, strong structure, long life time ★ Application: laboratory, waste water, clean water, field etc 
 
                

