HM Digital DM-2 Commercial In-Line Dual TDS Meter

The HM Digital DM-2 Commercial In-Line Dual TDS Meter is a water quality tester that accurately measures the total dissolved solids (TDS) in your tap (feed) water and purified (product) water. You can use these readings from the meter to determine when the reverse osmosis membrane needs replacing. The DM-2 can be installed in residential, commercial and industrial applications such as car washes, window washing, manufacturing and food processing systems.
Specifications:

• Available with 1/4", 3/8" or 1/2" quick connect fittings
• Installs quickly and easily
• Diagnostic error messaging
• Shielded sensor cables
• Highly efficient and accurate due to its advanced microprocessor technology
• Auto-off function automatically shuts off meter after 3 minutes of non-use to conserve battery power
• Displays TDS levels of the feed water and product water with in and out electrode probes
• Measures from 0-999 ppm with a resolution of 1 ppm. 
• Measures from 1000 to 9990 ppm with a resolution of 10 ppm indicated by a blinking "x10" image.
• Factory calibrated with a 342 ppm NaCl solution. Meters can be digitally recalibrated.
• Comes equipped with Quick-Connect T-fittings as shown