Application: It is used to calibrate the sound level meters.
Standard: GB/T3785, IEC651 Type2, ANSIS1.4Type2
Function: SL
Measuring: A .40-125dB
Filter
Detection Characteristics: Fast/slow
Resolution:0.1dB
Accuracy: 1dB
Display: LCD display
Power Supply:1x9V 6F22 battery
Battery Indicator: Low battery indicator
Dimensions: 195x72x31mm
Weight (not including probe): 195g