HM Digital TDS-4 Total Dissolved Solids Pocket Size Meter

• HM Digital TDS-4 TDS Tester with Advanced Microprocessor Technology:
• This TDS tester is ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver.
• This TDS-4 Pocket Size Meter is the smallest and lightest TDS meter in the market.
• The Sleek design of the TDS-4 is perfect for personal or commercial use.
• The TDS-4 Tester comes with 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 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking 'x10' image.
• Display: Large and easy-to-read LCD screen.
• Factory Calibrated: The meter is calibrated with a 342 ppm NaCl solution and can be recalibrated with a mini-screwdriver.

• HM Digital TDS-4 Pocket Size TDS Meter with Automatic Temperature Compensation Specs:
• Range: 0 - 9990 ppm (mg/L).
• Resolution: 1 ppm.
• Accuracy: +/- 2%.
• Conversion Factor: NaCl (avg. 0.5).
• 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) (357A).
• Battery Life: 1000 hours of usage.
• Dimensions: 5.5" H x 0.9" W x 0.55" D.
• Weight: 34 g (1.2 oz.)

• Manufacturer: HM Digital TDS-4

The TDS-4 is also known by the following part numbers:

• TDS-4, TDS4