Auto Calibrated: Features in-built calibration with 2 buffer powders (included). Just press a button to finish the calibration. This pH meter is factory calibrated.
PH Tester Pen Specifications:
- Material: ABS plastic
- Color: Yellow
- Power supply: DC 1.5V, 3 x AG13 battery (included)
- Range: 0.0 - 14.0pH
- Resolution: 0.1pH
- Accuracy: ± 0.1pH( at 20°C/ 68°F)
- Trimming: by potentiometer
- Working temperature: 0C – 50C/32F – 122F
- Dimensions: 152 x 29 x 15mm/5.98" x 1.14" x 0.67"
1x Digital pH meter
1x User instruction (English)
2x pH 6.86 & pH 4.01 @ 25 celcius Buffer Powder packets
1x Plastic Protective Case.