Many consumers have a reverse osmosis system and how no idea if it is working properly and efficiently.  The RO filters need changed on a regular basis, but how can you tell if the membrane needs to be replaced?  The ONLY way is with a TDS Meter, like theThe HM DIGITAL TDS-3 TDS Meter is ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times!  There is no better TDS meter in the price rage of this one!  In fact, you would have to pay nearly a $100 to find one that is better.  This is a quality instrument at an outstanding price, and will last for years.

The TDS-3 water quality tester enables you to determine just how good or bad your water really is! These testers accurately measure the TDS level in your water. Ideal for testing reverse osmosis membrane performance and determining the need for replacement.  We recommend replacing the RO membrane once it tests at 80% rejection or lower.

Features:

• The TDS-3 is ideal for commercial use. Includes a carrying case with belt clip.
• The TDS-3 is highly efficient and accurate due to its advanced microprocessor technology.
• Hold Function: saves measurements for convenient reading and recording.
• Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.
• Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm.
• For water over 999 ppm, the digital display automatically switches to the X 10 mode and reads out in 10's up to 9,990 ppm.
• The TDS-3 has a built-in digital thermometer
• Display: large and easy-to-read LCD screen.
• The TDS-3 is Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution.
• Meters can be recalibrated with a mini-screwdriver.

Specifications:

• TDS Range: 0 - 999 ppm (mg/L)
• Temp. Range: 0 - 80 degrees Celsius
• Resolution: 1 ppm, 1 degree Celsius (also available in 10 ppm)
• Accuracy: +/- 2%
• ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit)
• Power source: 2 x 1.5V button cell batteries (included)
• Battery life: 1000 hours of usage
• Dimensions: 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1 inches)
• Weight with case: 76.5g (2.7 oz)
• Weight without case: 56.7g (2 oz)
• HM DIGITAL PART # - TDS-3

Instructions for Use: