Checker® pH Tester, Electron Microscopy Sciences
- Large and easy-to-read LCD
- High accuracy with 0.01 pH resolution
- Battery life: 3,000 hours of continuous use
Modern Substitute for Litmus Paper with Replaceable Electrode. The Checker® electrode can be changed and any pH electrode of different shape or size can used. Checker® is also suitable for checking electrodes in pipes, tanks and various laboratory applications. The extended family of Checker® pH testers now includes standard gel-filled electrodes with built-in BNC or screw type connectors.