For students and researchers alike, requiring a sturdy and compact pH Meter Hannah Instruments offers the HI-98103 (214-855)

Featuring a clear LCD display, buffer recognition, stability indicator, automatic shut off, low battery indicator all within a pocket sized device. This tester also boasts a thin long-reach pH electrode (included) which is easily replaced by unscrewing it from the main body. Replacement electrodes are also available from Hannah Instruments - HI-1270 (214-849)

Calibration is made simple with one or two automatic calibration, calibration buffers are automatically recognised and buffer values are shown on the display.
• 0.1 pH resolution
• Quick and easy electrode replacement
• Fast and accurate readings 0-14 pH
• Test tube sized electrode
• 1000 hours battery life