3505: Simple to use laboratory pH/mV/°C meter for use in general purpose and educational applications. It utilises rotary controls for mode selection and pH calibration. A novel design feature ensures that inadvertent movement of the calibration controls has no effect during sample measurement.

- For educational applications
- Large display, clear LCD readout
- Manual 2-point pH calibration
- Manual or automatic temperature compensation
- Calibration controls locked during measurement
- Battery or mains operated

3510: Versatile unit, which utilises the best of modern technology to simplify operation without sacrificing accuracy or reliability. Ideal for routine laboratory applications.

- For routine laboratory applications
- Simultaneous readout of pH and temperature (pH resolution to 3 decimal places)
- User-selectable 1, 2 or 3-point pH calibration
- Automatic or manual buffer selection
- Storage of up to 32 results
- RS232 connection to printer or PC via DataWay software

3520: Dynamic pH/mV meter offering research grade specifications with a comprehensive range of features and functions, making it suitable for the broadest range of research, general laboratory, QC and GLP based applications.

- Research grade
- Up to 3 decimal place resolution
- User-selectable 1, 2 or 3-point pH calibration
- Automatic or manual buffer selection
- Storage of up to 500 results
- RS232 connection to printer or PC or infrared (IrDA) communication