HygroWin USB temperature and humidity probe system monitoring programs based PC systems. Including probes 3 m cable and USB plug. HW4 software included. Application server rooms, laboratories, testing equipment and paper industries. Features * can be connected PC / laptop · range of applications directly through the USB interface: 0 ... 100% / - 10,35,80% RH calibration Order No. HC2-WIN-USB probe type 50 ... 100 ℃ · 23 ℃ when 3 m USB cable with probe accuracy ± 2% rh / ± 0.3 ℃, 3.2 ... 5VDC power supply at 23 ℃ ± 5 ℃, the recommended 3.3VDC sensor type ROTRONIC HYGROMER? IN-1, Pt100 Class A standard filter types of polyethylene under 20 micron filter, gray response time is not loaded filter case, <15s polycarbonate shell material weight 110g Compatible Accessories ? Factory calibration certificate · Calibrator ER-15 · HW4 software (only for use HygroWin USB probe) · 10% humidity standard solution EA10-SCS · 35% humidity standard solution EA35-SCS