Thermo Scientific™ Orion Star™ A121 Portable pH Meters are a simple, economical solution for your routine outdoor sample analysis. Featuring a highlighted measurement key, selectable read modes and measurement stability indicator, our essential Orion Star™ A121 mobile pH meters are designed to offer measurements you can trust at an affordable price.










 

Features

• Measure pH, mV or relative mV with temperature
• Perform up to a 3 point pH calibration with automatic buffer recognition or manual buffer entry.
• Simplified, easy-to-read display shows main measurement with temperature, stability indicator and electrode condition icon.
• User-friendly operation with basic calibration text prompts.
• Easily recall calibration data for procedure checks.
• Non-volatile memory preserves 50 point internal data log and meter settings, even with loss of power.
• Flexible power options with AA batteries or optional universal power adapter.
• IP67-rated housing is waterproof for rugged field operation.
• Meter kits include hard-sided field case and protective meter armor with electrode holders, adjustable wrist/belt strap and built-in meter stand.
• Meters offer CE, TUV 3-in-1 and FCC Class A certifications.