MASTECH MS6702 Digital Sound Level Meter Noise Meter dB Decible Meter Tester Temperature Humidity Meter Thermometer

MS6702 sound level meter is an instrument for the measurement of ambient sound level, temperature as well as humidity. It is widely used in such occassions as factories, workshops, schools, residential, office area, traffic, audio and other occasions of sound level. Besides, it is also applied to the noise of engineering, quality control, health prevention etc..: Sound.: 30dB~130dB Large Digital LCD Display with Bar Graph Ambient Temperature and Relative Humidity Measurement Fast/Slow Selection Weighting A/C Selection AC/DC Auxiliary Output Back Light and Auto.: Measurement.: 30dB~130dB.: 2dB (30Hz~8kHz).: 0.1 dB.: fast mode 4 times per second, the slow mode 1 times / sec.: -20~60?.: 0.9?, 40 C ~60?. 0.5?, 5 C ~40?. 1.1?, -20 C ~5?.: 0.1?.: 10% ~ 90% RH Measurement precision of relative humidity: 2% RH (10% RH ~ 90%.: 1%.: Item.: about 350g.: 278 * 80 * 38mm.: 6 * 1.5V AAA battery (not included).: 29.5 * 16 * 7.5 cm / 11.6 * 6.3 * 2.9 in.: 749g / 1.7 lb.: 1 * MASTECH MS6702 Digital Sound Level Meter 1 * Earset 1 * English Manual