The Pen pH meter Models 220 and pH Model 222 come with electrode, battery, buffer and soaking liquid is essential equipment for measuring the pH component when cheese making or any other type of “making” where accuracy is essential. • Measurement Range:0 ~ 14pH • Display LCD: 20 mm x 28 mm reversable display • Resolution:0.01pH • Accuracy: pH5~9: ±0.07pH pH4~4.9 & pH9.1~10: ±0.1pH pH1~3.9 & pH10.1~13: ±0.2pH • Temperature Compensation: Not required • Operating Temperature: 0 ~ 50 °C • Battery: DC 1.5V AAA x 4 • Accessories Included: Instruction Manual, pH electrode PE-11, pH4.00 & 7.00 buffer solutions 180mm (H) x 40mm (W) x 32mm, 220gm
