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.

Features:
Sound Level Range: 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 Power Off

Specifications:
Measurement of sound level range: 30dB~130dB
level accuracy: ± 2dB (30Hz~8kHz)
Level resolution: 0.1dB
The sampling speed: fast mode 4 times per second， the slow mode 1 times / sec
Temperature measurement range: -20~60∪
Temperature accuracy: ± 0.9∪， 40 C ~60∪; ± 0.5∪， 5 C ~40 ∪; ± 1.1∪， -20 C ~5 ∪
The temperature resolution: 0.1∪
Relative humidity measurement range: 10% ~ 90% RH
Measurement precision of relative humidity: ± 2% RH (10% RH ~ 90% RH)
Relative humidity resolution: 1%

General Characteristics:
Item Weight: about 350g
Dimensions: 278 * 80 * 38mm
Power Supply: 6 * 1.5V AAA battery (not included)
Package Size: 29.5 * 16 * 7.5cm / 11.6 * 6.3 * 2.9in
Package Weight: 749g / 1.7lb

Package List:
1 * MASTECH MS6702 Digital Sound Level Meter
1 * Earset
1 * English Manual