Handheld TDS Meter ZT-2

The HM Digital ZT-2 Handheld TDS meter is a handheld water quality tester that enables you to determine just how good or bad your water really is! These testers accurately measure the TDS level in your water. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times! Features: Ideal For All Water Purification Applications. This meter is ideal for testing reverse osmosis membrane performance and determining the need for replacement. Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver.  Highly Efficient and Accurate. The HM Digital ZT-2 Handheld TDS Meter has advanced microprocessor technology that makes it highly efficient and accurate.  Hold function. This meter has measurements for convenient reading and recording, with the sound of a buzzer.  Automatic function. After operating three minutes in the same condition, the measurement simply stops! This meter will also turn off mete