Aquarium TDS Meter with Digital Thermometer

Model Number: TDS-4TMA Brand Name: TLead Key Specifications/Special Features: The TDS-4TMA handheld meter is ideal for testing TDS and salt levels of freshwater aquariums and ponds, it can also be used for testing water filtration and purification systems, such as RO and DI, to know when to changes filters and membranesFeatures:Measures TDS and salt levels of freshwater up to 9990 ppmIncludes an internal digital thermometer (celsius only)Hold function: locks the reading on the screen outside of the water

Auto-off function: turns off meter after 10 minutes of non-use to conserve batteries

Dual range: measures from 0 - 999 ppm, with a resolution of 1ppm, from 1000 to 9990ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image

Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution, meters can be recalibrated with a mini-screwdriver

Recommended for fresh water aquariums, aquaculture and ponds

Includes an aquarium-specific packaging

Specifications:

TDS range: 0-9990 ppm (mg/L)

Temperature range: 0-80 degrees Celsius

Resolution: 0-999: 1 ppm, 1000-9990: 10ppm (indicated by a 'x10' icon)

Temperature resolution: 0.1 degree Celsius (Celsius only)

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)