Do not leave your measurements to chance when analyzing samples outside the laboratory. Orion Star™ A221 Portable pH Meters are designed to offer the reliability you need for your specific pH testing needs in a user-friendly package. Display critical data about your measurement, including temperature, date and time, reading type, measurement stability, active calibration information, and power supply status with this waterproof, portable meterr.











 

Features

• Measure pH, mV, relative mV or ORP with temperature
• Perform up to a 5 point pH calibration using automatic buffer recognition of NIST or DIN buffer groups with choice to manually enter custom buffer values
• Informative, easy-to-read backlit graphic display with clear onscreen instructions simplifies operation
• Capture your critical readings with measurement stability indicator and selectable read modes — Auto-Read holds a stable reading and Continuous shows changing readings with hold option
• Data log collects and date/time stamps up to 1000 measurement sets
• Non-volatile meter memory ensures your data and settings are protected, even with loss of power
• Orion Star Com software facilitates data transfer to a computer via USB or RS232 connections
• 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

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