Durable meters feature a 100% waterproof and easy-to-clean keypad. Silicone rubber keys provide tactile feedback for error-free operation. The large graphic display allows for excellent readability even under difficult lighting conditions. A built-in calibration timer ensures more reliable results.

pH 3310 meters add extended data memory for logging up to 5000 GLP-compliant data sets. Time-controlled datalogging function offers adjustable data collection intervals—ideal for long-term field monitoring. A special “sleep” mode saves power and extends battery life when performing long-term monitoring. Nonvolatile-memory saves all stored data even if battery power is lost. Data transfer to a PC is made simple via the unique waterproof mini-USB interface.

Meters include: four AA batteries.

Meter kits add: specified probe, calibration solutions, and hard carrrying case.

Meters with drinking water kit further add: Sentix® 81 probe, stand, beaker, measuring vessel, and CD-ROM.