Star A221 pH Portable Meter Only

Durability and depenability make it the ideal choice for every sample, every day, anywhere|Multilanguage interface supports Engliah, Spanish, French, Italian, German and Chinese|Improved stability algorithm provide better measurement accuracy|Ensure temperature accuracy with ATC temperature calibration|Nonvolatile memory holds up to 1000 data points with time date stamp|Individual method passwords provide better security|Four AA batteries provide over 800 hours of field use, or order optional AC adapter for lab use|Thermo Scientific Orion Star A221 pH, mV, RmV and temperature meter features an intuitive user interface with plain language screen prompts. A large, backlit graphic LCD, shows measurement and temperature along with electrode status, time/date, sample ID, user ID, and calibration data. Up to five point automatic calibration with USA/NIST and DIN buffers, auto-buffer recognition buffers, and recailbration feature to fix calibration errors. GLP-related features include 2000 data points with time/date stamp and electrode verification. Meter utilizes RS-232 or USB for connectivity and includes data analysis software. |Meter only includes: four AA batteries.