Test Tube Ph Pen, Each

Details

Ph Pen For Test Tubes^ Ph Pen For Standard Test Tubes 16X50 Mm Or Larger. Range: 0 - 14, Accuracy: /- 0.2, Designed For Simple One-Hand Operation. Automatically Calibrates To Ph 4, 7 And 10 Buffers And Can Be Adjusted To Recognize Any Buffer. The Case Is Ip65 Waterproof. Probe: 120 Mm 12 Mm