Pocket-sized TDS Meter

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A TDS tester that's ideal for all water purification applications, drinking water testing, pools and spas, fresh water aquariums, hydroponics, and colloidal silver
Perfect for both consumer or commercial use
Carry one in your pocket at all times
The smallest and lightest TDS meter on the market
Sleek design is perfect for personal or consumer use
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 0-999ppm, the resolution is in increments of 1ppm, 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
Recommended for fresh water aquariums and aquaculture, horticulture and hydroponics, and pools and spas
Factory calibrated: our meters are calibrated with a 342 ppm NaCl solution, meters can be recalibrated with a mini-screwdriver
Range: 0 - 9990 ppm (mg/L)
Resolution: 0-999: 1 ppm; 1000-9990 10ppm (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°C (33 to 122°F)
Power source: 2 x 1.5V button cell batteries (included) (LR44 or equivalent)
Battery lifespan: 1,000 hours of usage
Dimensions: 14 x 2.3 x 1.5cm (5.5 x .9 x .55 inches)
Weight: 34g (1.2oz)