Thermo Electron Orion STARA1225

Large, informative screen clearly shows the main information, including conductivity or TDS reading, temperature in °C or °F, meter mode and battery life Dont miss a reading AUTOREAD* locks in the stable reading on your screen and ready indicator alerts when readings are stable Selectable cell constant Manual calibration or automatic calibration when using a Thermo Scientific Orion conductivity standard (sold separately) Selectable reading reference temperatures of 20°C or 25°C for an accurate result Non-volatile memory holds up to 50 data points Four AA batteries (included) provide over 2000 hours of operation or purchase the universal power adapter (sold separately) to run meter on AC power Perfectly portable, waterproof and protected to take anywhere with a IP67-rated housing 3 year meter replacement warranty Certifications: CE, TUV, FCC Class A limits Range 0.1 uS/cm to 200 mS/cm Resolution 0.01uS minimum, 3 significant figures Relative Accuracy 0.5% reading ±1 digit Reference Temperature 20 °C, 25 °C Compatible Cell Constants 0.1 to 10.0 Calibration Points 1 Range 1 to 19,999 ppm Resolution 4 significant digits Relative Accuracy 0.5% reading ±1 digit TDS Factor Range Linear, 0.01 to 10.00 Range -5 to 105 Resolution 0.1 Relative Accuracy ±0.1 Number of Points 50 points Conductivity with Temperature Probe 8-pin mini-DIN AC Adapter 100-240 VAC, 50-60 Hz (sold separately) Battery Power Four AA Battery Life 2000 hours