The compact and portable design makes it easy to carry and use wherever you need it. This allows for precise monitoring of water purity. Size:183 36 20 mm. 1 Water Quality Testing pen. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
Beats the heck out of trying to see the colors of a litmus strip.
eBay
Multiple Applications: Suitable for drinking water, aquaculture, swimming pools, and hydroponics monitoring. 1 Water Quality Tester. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
PH value sticker on the back, more quickly and conveniently understand the pH of the water. 1 Water quality testing pen. High-precision probe bulb with high sensitivity, contains a protective liquid, effectively extend the life of the electrode.
eBay
All readings are automatically temperature compensated. It is easy-to-use as you can just dip the sensor into the test solution - stir and wait. The energy saving feature shuts off the tester when it is not in use.
eBay
You do not need to consult books or manuals. Remove the test tube. Place the test tube back into the solution. LED lights will indicate the pH level. Just enter it into the solution and read the pH value.
eBay
Function: Ph; Tds; Ec; Temp. Tds Range: 0-1999ppm; 0-19.9ppt;. Model: Yy-1040 4 In 1 Hydroponic Test Pen. Ph Range: 0.00-14.00 Ph. Resolution : 0.01ph;1ppm(<1999ppm)/10ppm(>1999ppm) ; 1us/cm(<1999us/cm)/10us/cs(>1999us/cm).
eBay
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Size:40 118.25mm. 1 Water quality testing pen.
eBay