Data logger for PV applications 91700-002-CA

'TEMPERATURE & HUMIDITY RECORDER Internal sensor - IP66 waterproof Range : -35+80°C / -31+176°F / 0-100% RH Resolution: 0.1°C / 0.2°F and 0.1% RH Thermometer accuracy: ±0.3°C / ±0.5°F Hygrometer accuracy: ±3% RH Memory capacity: 32000 readings Interval of points: 10 sec to 12h USB Connection - Light alarm Results in txt, xsl, csv, bmp, jpg format CD-ROM supplied with DGraphTM software and USB driver Compatible with Windows XP, Windows Vista, Windows 7 / 8. Battery life: ± 3 years In box with instructions.