Orion Star™ A121 Portable pH Meter (Thermo Scientific™)

Take simple, routine pH, mV and temperature measurements with the Thermo Scientific™ Orion Star™ A121 Portable pH Meter. This meter is an easy-to-use and budget-friendly instrument for basic pH analysis in the field. Perform up to a 3 point pH calibration with easy recall of calibration points and slope. Quickly navigate setup menus and ensure consistent calibrations using the simple keypad layout and on-screen text prompts. This waterproof meter has an IP67-rated housing for rugged protection in outdoor environments.

Key Features

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

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
3-year replacement warranty

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Order Codes

Code	Description
STARA1210	Catalog Number: STARA1210 Unit Size: Each Description: Orion Star A121 portable pH meter Includes: Star A121 pH meter, 4 AA batteries
STARA1215	Catalog Number: STARA1215 Unit Size: Each Description: Orion Star A121 portable pH meter standard kit with general purpose pH/ATC electrode Includes: Star A121 pH meter, 9107BNMD gel-filled epoxy-body pH/ATC electrode, 916099 pH buffer kit, protective meter armor, hard-sided carrying case, 4 AA batteries