Thermo Fisher Scientific Orion Star A221 [STARA2210] pH Portable Meter

The waterproof, battery-operated Thermo Orion Star A221 portable pH meter stands up to the most demanding field applications and delivers over 800 hours of continuous operation. The meter displays pH, mV and temperature readings on a large, backlit LCD screen and automatically locks in stable readings.

Thermo Orion Star A221 portable meter provides a large storage capacity for time-stamped data points, which can be conveniently uploaded to a PC through the meter's USB and RS-232 ports. Automatic or 1 to 5 point manual calibration makes instrument setup simple, while icons provide quick updates on battery life, electrode status and calibration information. The simple button layout and on-screen messages also assist with calibration and explain setup menu choices.