3 In 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool

Product Features: 
Accurate AND Reliable: To achieve high accuracy, equipped with premium quality titanium alloy probe, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures.
Easy and Instantly: Just turn PH meter on and stir water gently, then stabilized readings will be showed on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 5 minutes.
Hold Function & Auto-off function: Freeze the measurement to view it out of the water. Turns off meter after 5 minutes of non-use to conserve batteries.
Wide Use: Pocket Size TDS PH TEMP Meter is the ideal test kit for home and laboratory uses. Ideal use to test for water, pools, aquariums, spas, hydroponics, food, wine and beer making and more.

Specifications:
Range
PH: 0.00-14.00pH
TDS: 1-19999ppm
TEMP: 0-60.0°C / 32°-140.0°F
Resolution
PH: 0.01pH
TDS: 1ppm
Accuracy(@25°C/77°F)
PH: ±0.05pH
TEMP: ±0.5°C
TDS: ±2%
Calibration
PH 6.86point Accuracy: ±0.1pH
6.86/4.00（6.86/9.18）points: Accuracy ±0.05pH
6.86/4.00/9.18 points: Accuracy ±0.02pH
TDS calibrated by factory 1413μs/cm
Temp. compensation
ATC 0-60°C
Battery
3 X Button Batteries 1.5V
Auto Power off
5 minutes
Low power protection
Battery Indicator
Display
Supports backlight
Environment
0-60.0℃ (32.00-140 ℉); 100% RH
Size
Approx. 183 x 37 x 37mm / 7.2 x 1.5 x 1.5in

Package Contains:
1x 3 In 1 PH TDS TEMP Water Quality Meter Tester