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QA Instruments electrode cleaning solution is a soft laboratory detergent used to clean both polycarbonate and glass electrodes. Make up a 2% to 5% solution with water and soak electrodes for 2 to 24 hours depending on the degree fouling. Use stronger concentrations with hard to remove product. Alwa...

QA Instruments pH 7.0 buffer manufactured to high standards. Used to calibrate pH meters of all types. For best practice do not re-use test buffers as they can become contaminated over time affecting the accuracy of the pH measurement. Always use fresh buffers and never return test buffers to original bottle.Long shelf if maintained in optimal conditions.

- Easy SINGLE-Button Operation, Smallest Pen-Style design with a replaceable probe (good for test tube measurements)- AUTO Calibration with auto buffer recognition; Auto Temperature Compensation (ATC) ensures accuracy in variant temperatures 0-60℃ (32-140°F)- COMPLETE KIT with READY-TO-USE calib...

Features: - APERA's unique Replaceable BPB (Brush-resistant Platinum Black) probe ensures high accuracy and consistency in a wide-range conductivity measurement- EASY Auto Calibration with auto buffer recognition; Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50.0°C)- LA...