Thermo Scientific Orion Star A325 pH/EC Portable Multiparameter Meter Item No. STARA3250

Obtain measurement results at the source with our advanced portable meter series. The Thermo Scientific Orion Star A325 Portable pH/Conductivity Meter offers an informative screen and user-friendly operation. This durable, portable, waterproof meter meets all your basic application needs. The Orion Star A325 Portable pH/Conductivity Meter, as an easy-to-use, reliably designed field meter, provides advanced features and functions, including 5000-point date logging with sample ID and user ID options, calibration and high/low limit alarms, and measurement methods with password protection.

Combining pH and conductivity meters into one easy-to-use system offers greater convenience and benefits

Measure pH, mV, relative mV, or ORP and temperature on channel one, and conductivity, TDS, salinity, or resistivity and temperature on channel two

Full-screen display for easy viewing of a single measurement result, or quickly switch to split-screen display to view multiple measurements simultaneously

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

Perform up to 5-point conductivity calibration

Calibration edit option allows for single-point correction without full recalibration

Automatic conductivity measurement range setting supports continuous readings across the full range without recalibration

Use linear, nonlinear, EP (USP), or turn off conductivity temperature compensation (reference temperatures 5°C, 10°C, 15°C, 20°C, or 25°C)

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

Obtain critical readings with measurement stability indicators and optional reading modes—Auto Read holds stable readings, Continuous Read with hold option shows reading changes, Timed Read records data at specific intervals

Data logging with date/time stamp for up to 5000 measurement sets with optional sample ID and user ID

Calibration log stores the 10 most recent calibration results

Non-volatile meter memory ensures your data and settings are protected 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, rugged, and suitable for field operation

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