The water quality of drinking water can be found in test paper in just 35 seconds. Drinking water is indispensable in our lives! Polluted water sources can cause many health problems, so it is important to regularly test the quality of drinking water.
eBay
[NOTE: EPA suggests that the TDS of drinking water should be below 500 ppm]. A compact design with a case bonus can let you take it anywhere you need. [AUTO-OFF AND HOLD FUNCTION] The TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries.
eBay
Pen type ORP tester, compact and portable carry. Made of plastic material, it is lightweight, sturdy and durable. Suitable for testing drinking water, water conditioning, reverse osmosis, cooling towers, waste water, laboratories, agriculture, etc.
eBay
> 1000: Not suitable for drinking. 0-50: high purity. 50-100: high purity. 100-300: for general purity. [Living] - Take care of your family's health, good water makes them healthier. Open the pen cover and turn on the ON switch.
eBay
TDS&EC Tester. Applications: Production and drinking of purified water, electroplating solution, boiler water, fish tank water, swimming pool water, photographic rinse solution, well water, deep water, laboratory, aquaculture, food processing, etc.
eBay
This unit is not water-tight and is not covered under the warranty if water enters the unit. This item can be used in: water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools and spas, aquariums, hydroponics.
eBay
8 In 1 Digital Tester Pen Pool Water Quality Monitor. 102PCS Tubeless Vacuum Tyre Puncture Repair Kit Screw Nail Tire Patch Plug Fix. LR073684 AJ813393 Piston Oil Cooling Valve For Range Rover Sport Evoque Jaguar.
eBay
7 In 1 Detecting Function: This multi-functional tester can test PH, total dissolved solids, EC, ORP, Salinity, S.G and temperature for you. 1 X Water Quality Tester. Colour: Blue+White. ATC&Data Hold Functions: Automatic temperature compensation function and data hold function can help you to get more accurate data.
eBay