• Ideal for general lab, quality control, and analysis applications!
• IP54 dustproof and splashproof rating

These single-channel pH meters are easy to operate using the built-in Quick-Start Guide and SMART STABILITY™ and SMART AVERAGING™ functions to automatically optimize precision, accuracy, and response time. Record and store up to 10 methods with password protection.

Other features include automatic or manual pH calibration with 1 to 5 points; auto-buffer recognition of DIN and US/NIST buffers; bright LCD display with ready indication; 200 point datalogger, downloadable to printer or computer via RS-232 or USB interface; advanced self-tests; BNC connectors; and universal power adapter. CE- and CSA-approved, UL-listed.

Model 44310 offers the meter with benchtop electrode stand.

Model 4431A includes an epoxy body Triode™ pH/ATC electrode.

Model 4431R includes a temperature probe, and a ROSS Ultra™ combination electrode with a virtually drift-free reference and optimum stability, even in samples varying in temperature. Electrode is compatible with tris buffers and offers a two-year warranty.

Both 4431A and 4431R come with pH 4.01, 7.01, and 10.01 buffers (475 mL); and pH electrode storage solution (475 mL).