Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

Description

Digital PH Meter Tester Hydroponic Pool Water Aquarium Pocket Portable Wine New
Free Batteries and Free PH Buffer Solution
Features：
Brand New and High Quality.
Excellent meter, very accurate and durable.
With calibration screwdriver.
An ideal instrument for aquarium, fishing industry, swimming pool, school laboratory, food & beverage etc.
In addition, you must calibrate this tester whenever the following happens:
If the tester was used or lay aside long time;  re-calibrate it
It was used too often;  re-calibrate it
Need High Accuracy.   re-calibrate it
Note:
You will Need calibrate after you get it.
Specification:
*
Measuring pH Range: 0.0 - 14.0 pH
*
Resolution: 0.1 pH
*
Accuracy: ±0.1 pH (at 20°C/68°F), ±0.2 pH
*
Operating Temperature: 0 - 50°C (32 - 122°F)
*
Calibration: Manual, 1 point
*
Relative Humidity: <95%
*
Life: Approx.700 hours of use
*Size: 152mm x 30mm x 15mm (5.9x1.2x0.6
")
*Trimming: By potentiometer
*Battery: 3*1.5v (AG-13 button battery)
(included)
*Net Weight: Approx. 57g (after installed batteries)
Package:
*
1 x Digital PH Meter Tester Pen
*
1 x Calibration Adjustment Screwdriver
*
3 x Button Cell Batteries
(included)
*
1 x User Instruction Manual (English)
The way of Calibrate:
Immerse the electrode in pH6.86 (under 25°C) standard buffer solution of phosphate, and gently shake the electrode.