Star A221 Portable Orion pH Acidity Meter is suitable for on-site use.

Orion Star A221 Portable pH Meter for On-Site Applications

When analyzing samples outside the laboratory, do not rely on guesswork for measurements. The Orion Star A221 Portable pH Meter is designed to provide the reliability you need in a user-friendly, all-in-one package to meet your professional pH testing requirements. This waterproof portable meter displays key data alongside measurement results, including temperature, date and time, reading type, measurement stability, active calibration information, and power status.

Features:

Measures pH, mV, relative mV or ORP, and temperature

Automatic buffer recognition using NIST or DIN buffer sets for up to 5-point pH calibration, with the option to manually enter custom buffer values

Informative, easy-to-read backlit graphic display with clear on-screen indicators to simplify operation

Obtain critical readings with measurement stability indicator and optional reading modes — Auto Read holds stable readings, Continuous Read with hold option shows changing readings

Data logging with date/time stamp for up to 1000 measurement sets

Non-volatile memory protects your data and settings even during power loss

Orion Star Com software transfers data to a computer via USB or RS232 connection

Flexible power options using AA batteries or an optional universal power adapter

IP67-rated housing is waterproof and durable for field use

Meter kit includes: Hard-surface field case and meter guard with electrode holder, adjustable wrist/waist strap, and built-in meter stand

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