[ Test Function]: With the advanced (TDS, EC, Temperature) conductive pen, the tester can not only detect TDS, but also EC and temperature in the water. It can also be used to distinguish drinking water from non-potable water.
eBay
[ Test Function]: With the advanced (TDS, EC, Temperature) conductive pen, the tester can not only detect TDS, but also EC and temperature in the water. It can also be used to distinguish drinking water from non-potable water.
eBay
[ Test Function]: With the advanced (TDS, EC, Temperature) conductive pen, the tester can not only detect TDS, but also EC and temperature in the water. It can also be used to distinguish drinking water from non-potable water.
eBay
[ Test Function]: With the advanced (TDS, EC, Temperature) conductive pen, the tester can not only detect TDS, but also EC and temperature in the water. It can also be used to distinguish drinking water from non-potable water.
eBay
【High Accurate】: Digital TDS tester pen for drinking water test, high sensitivity, results in seconds, accurate, easy readings. Auto off function for easier use, save energy. We'd like to settle any problem in a friendly manner.
eBay
[ Test Function]: With the advanced (TDS, EC, Temperature) conductive pen, the tester can not only detect TDS, but also EC and temperature in the water. It can also be used to distinguish drinking water from non-potable water.
eBay
[ Test Function]: With the advanced (TDS, EC, Temperature) conductive pen, the tester can not only detect TDS, but also EC and temperature in the water. It can also be used to distinguish drinking water from non-potable water.
eBay
[ Test Function]: With the advanced (TDS, EC, Temperature) conductive pen, the tester can not only detect TDS, but also EC and temperature in the water. It can also be used to distinguish drinking water from non-potable water.
eBay