HM Digital TDS-4 Pocket-Size TDS Meter

The TDS-4 is an ideal pocket meter that can be used for any and all applications, ranging from water purification to hydroponics, to aquariums, to industrial wastewater treatment.

Features:

• Pocket size makes it ideal for portability and storage.
• Hold Function
• Auto-off Function (After 10 min.)
• Factory calibrated with 342 ppm NaCl solution.

Specification:

• Range: 0 - 9990 ppm (mg/L)
• Resolution: 0-999: 1 ppm; 1000-9990 10 ppm (indicated by a ‘x10' icon)
• Accuracy: +/- 2%
• EC-to-TDS Conversion Factor: NaCl (avg. 0.5)
• ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit)
• Power source: 2 x 1.5V button cell batteries (included) (LR44 or equivalent)
• Battery life: 1000 hours of usage
• Dimensions: 14 x 2.3 x 1.5 cm (5.5 x .9 x .55 inches)
• Weight: 34g (1.2 oz)