* Mini vane with 35mm Dia., low-friction ball bearing mounted wheel design provides high accuracy at high and low air velocity. * Telescope Probe extension length 620 mm max. * Air velocity/Temp. measurement, professional. * Air flow : CMM, CFM. * Separate probe, high reliability. * Type K/J Thermometer * Data hold, Record ( Max., Min. ). * RS232/USB computer interface.
