With the blue handheld digital TDS meter you could test the quality of various water ensuring you are enjoying the best quality water. The unit could provide 1000 hours of continuous usage is ideal for using in the following situations: drinking water water filters hydroponics aquariums food & coffee, pools & spas.

Product features
Hold function: Saves measurements for convenient reading and recording
Digital LCD TDS3/TEMP/PPM TDS Meter Tester Pen Stick Water Quality
Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries
Dual Range: Measures form 0-999ppm, with a resolution of 1ppm. From 1,000 to 9,990ppm, the resolution is 10ppm, indicated by drinking x 10image, Factory calibrated

Featuresï¼š
100% Brand new and high quality
This item can be used in: water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools and spas, aquariums, hydroponics

Specifications:
Hold function: Saves measurements for convenient reading and recording
Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries
Dual Range: Measures form 0-999ppm, with a resolution of 1ppm. From 1,000 to 9,990ppm, the resolution is 10ppm, indicated by drinking x10image, Factory calibrated
Range: 0-9990ppm
Accuracy: +/-2%
Battery: 2 x 1.5V Button Cell battery
Item size:156mm x 30mm x 20mm(6.1 x1.2 x0.9in)

Package Included :
TDS-3 Water Tester x1