RANGE : 0-9990 ppm. Used to test the purity of the water quality of the filter. ACCURACY : +/- 2%.
eBay
1 tester+1 instruction+3 bags of pH test powder. Ph value test pen; OEM customization. Ph test pen. Display mode; Digital display. Accuracy; zero point zero one. Probe type; Glass probe. Temperature compensation range; 0-50(℃).
eBay
PH: pH range 0-14, acidic if tested between 0-7, neutral if tested at 7, alkaline if tested between 7-14. Applications: pure water, electroplating solution, boiler water, fish tank water, swimming pool water, photographic rinsing solution, well water, deep diving, laboratory, aquaculture, food processing and other production and drinking.
eBay
pH Calibration Buffers Kit Colour Coded Essential Buffers for Two Point Calibration of pH Meters pH 4.01 (Red), pH 7.0 (Yellow) Simply select your required pH Value and Bottle Size from drop down - Product Code: PHCB - Various pH - Pack Size: 250ml, 500ml, 1L, 5L Description Highly accurate pH Buffer solutions for calibration of pH meters. pH Buffers used for calibrating pH meters need to be a known value of a certain pH, our buffers (manufactured in Manchester) are tested to a pH accuracy of 0.01 pH.
eBay
pH Meter Tester Pen Digital LCD & 2 Solution Aquarium Water Hydroponic Test Kit.
eBay
Ideal for all water purification applications, wastewater regulation, aquaculture and hydroponics. 1 x PH test pen. - Advanced microprocessor technology allows you test the water. - Portable unit - includes a carrying case with belt clip.
eBay
First rinse the electrode with distilled water and suck it with filter paper. Total concealed fit in your bag or pocket for easy, casual carrying. Users can use it directly. If the data is about 6.86 or the deviation is relatively small, no correction is required; if the value deviates from 6.86 relatively large, press and hold the CAL button for three seconds, let go after the screen flashes, and the automatic correction is in progress.
eBay
Resolution: 0.1PH. Size:155mm×31mm. Display: LCD Digital.
eBay