HM Digital DM-2 Commercial Dual TDS Monitor reusable glass bottle I found both very difficult

I found both very difficult to use

SKU: 9GS-125  |  UPC: 708574001255  |  HS Code: 842121

The ZeroWater TDS Meter The Zero Water TDS Meter with temperature reading allows you to measure TDS level for the water

1 °Baumé | 0

HM Digital DM-2 Commercial Dual TDS Monitor reusable glass bottle I found both very difficultInstall on industrial systems such as car washes, window washing, manufacturing, and food processing. UPGRADED APRIL 2012! The newly upgraded model features digital calibration, low battery indicator, improved accuracy, longer battery life (2 years), longer auto shut off time (3 min), diagnostic error messaging, and shielded sensor cables. (Upgraded features below are in red.) FEATURES Highly efficient and accurate due to its advanced microprocessor