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Application: it is used to calibrate the sound level meters.
.It is widely used to test the sound level of environment, mechanic, vehicle,ship and other noise.Fit for industry environment protecting,working,sanitation, teaching search and other departments.
Standard: GB/T3785, IEC651 Type2, ANSIS1.4Type2
Function: SL LEQ
Measuring: A .40 to 125dB C. 40 to 125dB Line. 40 to 125dB
Filter
Detection characteristics: fast/slow
DC output: 10mv=1dB
Resolution:0.1dB
Accuracy: 1dB
Display: LCD display
Power supply:1x9V 6F22 battery
Dimensions: 195x72x31mm
Weight (not including probe): 195gram
