handy ph meter online manufacture

Yieryi Protable LCD Digital PH Meter Pen electrical PH Tester Aquarium Pool Water Wine Urine Features: 100% brand new and high quality Calibration Method: 2 points automatic calibration Probe Type: Precision ... Read More

Professional Digital PH Meter , Handy Pen Type Ph Meter Automatic Calibration Feature: . Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems.Automatic temperature ... Read More

Water Quality Analysis Digital Ph Meter Device / Hydroponic Ph Tester For Aquarium Pool Water Portable Pen-Type digital pH Meter pH-006 Water Quality Analysis Device Hydroponics Aquarium Pool Water ph Tester ... Read More

AZ8690 Portable Acidity Meter Water Quality Digital Ph Meter Handheld Precision Laboratory Industrial Test Features 45 degree tilt LCD pH pen 8690 >45 degree angle shape LCD with dual display >Easy read design ... Read More

YIERYI Digital PH Meter ORP Meter 0.0--14.0pH 500mV protable PH tester ORP tester Potential meter ATC CT-6821 Specifications: Measuring range 0.0 ~ 14.0pH; 500mV Accuracy 0.1pH; 5mV Resolution 0.1pH; 1mV ... Read More

Waterproof Digital Handheld Ph Meter Automatic Water Analyzer Control Range 0.0~14.0ph +/-500mv Professional Water Analyzer Control Range 0.0~14.0pH +/-500mV Pen Type Waterproof Digital pH & ORP Meter Automatic ... Read More

YIERYI Digital PH Meter Portable Tester Filter Water CT-6021A Tool Measurement Range Of 0.00 ~ 14.00PH Features: The instrument housing waterproof design of acidimeter LCD display. Small size, portable, ... Read More

Electrode Probe Aquarium Ph Controller Meter Sensor Gib Digital Ph Sensor Electrode Feature: 100% Brand new and high quality BNC connector, suitable for most pH meter and controller with BNC connector. Suitable ... Read More

Yieryi Professional 3 in 1 Multi-parameter PH Tester Pen Type pH EC TEMP for Drink Water Specifications: Range: pH: 0.00 ~ 14.00p EC: 0.00 ~ 19990us/cm Temperature: -50 degrees~ 70 degrees (-58 Fahrenheit~ ... Read More

Precise Test Paper Water Litmus Testing For Gardening Aquarium Plant 6.4-8.0 Ph Test Paper High-precision More accurate note: Can not indicate the Acid or alkali solution when its density was lower than 0.01%. ... Read More