Yieryi Protable LCD Digital PH Meter Pen electrical PH Tester Aquarium Pool Water Wine Urine

Specifications:

• Accuracy: 0.01
• Resolution: 0.01
• Measuring Range: 0.00~14.00
• Operating Temperature: 0~80°C
• Power Supply: 2*1.5V Batteries
• Size:155*29*16mm

Features:

• 100% brand new and high quality
• Calibration Method: 2 points automatic calibration
• Probe Type: Precision glass bulb electrode
• Display: LCD Digital

Packing List:

• 1*PH Tester With The Retail Box
• 2*PH Powder

PH acidity meter calibration powder instructions:

• PH pH standard liquid preparation powder, 4.01, 6.86, two specifications,
• 250ML standard liquid can be prepared for each package. (be sure to change the water according to the required proportion, otherwise it will affect the accuracy of the calibration and make the error increase)​