HM Digital ZT-2 Basic TDS Tester COM-80 Power Source: 3 X 1

Power Source: 3 X 1

999 gallons or liters Accuracy ±10% Flow Rate Resolution 0

The DM-2EC features digital calibration

Power source: 2 x 1

The HM Digital TDS Tester is a compact

HM Digital ZT-2 Basic TDS Tester COM-80 Power Source: 3 X 1The ZT 2 is the first of HM Digital's new HMD line. It's a low cost TDS meter that's perfect as a promotional item. Though inexpensive, this meter does not skimp on quality, features and design. Features Economy model that is ideal for end users and retail products. Highly efficient and accurate due to its advanced microprocessor technology. Auto off function: the meter shuts off automatically after 10 minutes of non use to conserve batteries.