ph pen tester online manufacture

Yieryi pH Meter with Backlit Display for Aquarium Pocket Acidimeter Water Analysis Device Specification: Range 0.00~14.00pH Resolution 0.01pH Accuracy 0.1pH Battery 2 3V(CR1632) Temperature Compensation 0C~50C ... 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

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

YIERYI PH Meter Digital 0 to 14.00 pH Waterproof Ph Tester Aquarium Laboratory Water Checker Backlight Pen CT-6021A Tool Features: 1. The electrode can be replaced. 2. Low power consumption, high accuracy, wide ... 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

Aquarium Water Quality Salt Pool Water Salinity Meter Pen Type Range 0.0% To 10.0% Features: * 0.0 to 10.0% * LCD with indicates both % & temp. * Pen type digital tds meter, all in one, salt electrode included, ... Read More

YIERYI Portable Digital ORP Meter CT-8022 Pen Type Waterproof Handheld Redox Potential Meter Features: intelligent instrument High-performance CPU chip AD conversion technology and high percision SMT chip ... 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

100 Strip Two Color Saliva Slaver For Urine Pregnancy Test Paper PH 4.5 9.0 1 box =100 strip, test range 4.5-9.0 Precision PH test paper use method: test liquid ready, take out a test paper, the 2 color blocks ... Read More