Lutron SL 4112

SL 4112, Lutron All in 1 Meter Vane Anemometer, Humidity/ Temperature Meter, type K Thermometer, Light Meter, Sound Level Meter, RS232, data logger Basic Features * 30-130 dB, auto range, manual range. * Frequency and time weighting, IEC 61672 class 2. * A or C frequency weighting. * Fast/ Slow time weighting, peak hold. * Data hold, Record ( max., min. ) . * AC output, RS-232/ USB computer interface. * Type K Thermometer : -100 to 1300C, C/ F. * Data Logger with 1, 600 no. memory, sampling time can select to 1, 2, 5, 10, 30, 60, 600, 1800 or 3600 seconds. * Optional probe ( EM-900P, EM-910P ) for Humidity/ Temp., Light and Anemometer measurement. * DC 1.5V battery ( UM-4, AAA ) x 6 or DC 9V adapter in. * Patened.