Thermo Scientific Orion Star A221 pH Portable Meter; pH Mode range: -2 to 20
Large, backlit graphic LCD display shows pH/mV/RmV and temperature along with electrode status, time, date, and calibration points
Provides up to 5 point pH calibration with automatic recognition for USA/NIST and DIN buffers; non-volatile memory holds up to 1000 datapoints with time and date stamp
Four AA batteries (included) provide over 800 hours of operation or purchase the universal power adapter (sold separately) to use AC power
Perfectly portable, waterproof and protected to take anywhere with a IP67-rated housing; 3 year meter replacement warranty

Technical Details

Product Details

Package Dimensions
Width : 6.1 inch
Height : 3.5 inch
Length : 12 inch

Shipping Weight: 2.2 pounds (View shipping rates and policies)

ASIN : B006YDQHGS