Type: PH Tester. Accuracy: ±0.2PH; ±0.1PH (20°C). Resolution: 0.1PH. Handheld pen style and compact carrying case makes it conveniently fits in your pocket or bag and goes anywhere. Display: LCD Digital.
eBay
eBay
ORP negative potential ±1999MV. Salinity 0-20%. The specific gravity of S.G seawater is 1.000-1.222. 2, TDS value 0-200000ppm. H2 hydrogen rich 0-2400PPb. EC value 0-200000㎲/cm. 1x 7 In 1 Tester Pen. PH value 0-14.
eBay
Wide Range of Applications: Ideal for testing water in aquariums, hydroponics, pools, drinking water, and more.
eBay
♥ Before drinking a test, drinking water at ease, TDS on behalf of the total soluble solids content in the water, the lower the TDS value / the purer the water quality. ♥ PORTABLE DESIGN-- Handheld TDS tester pen style and makes it conveniently fits in your pocket or bag and goes anywhere.
eBay
Ideal for any aquarium, the fishing industry, swimming pools, spa. school laboratories, food & beverage, drinking water etc. readings are quickly display on a large lcd display.
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
The probe length is 20cm, with a total length of 33cm.
eBay