Generic Waterproof Interchangeable Electrode Pen PH Meter PH-033 Precision PH Meter

"033 Waterproof pH meter, you can change the electrodes, large screen display, high resolution and accuracy, the reading can be maintained, convenient, fast and accurate. Measurement accuracy, simple, rugged and durable, economical and practical, fully in line with a variety of industry testing needs, according to customer requirements supporting calibration fluid (liquid solutions or powder) and a variety of packaging. Waterproof rating of IP55 Measuring range:0.00 ~ 14.00PH Resolution:0.01PH Accuracy:± 0.1PH Automatic temperature compensation:0 ℃ ~ 50 ℃ Battery:4 × 1.5V (AG13 button battery,not included) Operating temperature:0 ℃ ~ 50 ℃ Calibration methods :Manual single-point calibration Size:188mm × 35mm × 35mm Weight:98g"