Brand New and High Quality.
Excellent meter, very accurate and durable.
With protective plastic case and 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; recalibrate it
It was used too often; recalibrate it
Need High Accuracy. recalibrate it
Note: You will Need calibrate after you get it.
*Measuring pH Range: 0.0 – 14.0 pH
*Resolution: 0.1 pH
*Accuracy: ±0.1 pH (at 20°C/68°F)
*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 (5.9×1.2×0.6″)
*Trimming: By potentiometer
*Battery: 3*1.5v (AG-13 button battery) (not included)
*Net Weight: Approx. 50g
The way of Calibrate:
Immerse the electrode in pH6.86 (under 25°C) standard buffer solution of phosphate, and gently shake the electrode.
*1 x Digital PH Meter Tester Pen
*1 x Calibration Adjustment Screwdriver
* 2 x Pouches of calibration buffer solution
*1 x User Instruction Manual (English)
*1 x Sturdy Plastic Case