94 dB sound calibrator for decibel meter
Features:
Generates standard levels and frequencies
Low influence of static pressure
Designed for 1″” and 1/2″” microphones
General Specifications:
Model: ND9+
Standards: GB/T15173, ANSI S1.40 CLASS2, IEC942
Sound Pressure Level: 94dB & 114dB
Accuracy: 0.3dB
Frequency: 1000Hz
Calibration Of Microphones: 1″”, 1/2″”
Power Supply:1x6F22 9V Battery (not include)
Dimensions: 142x47x47mm
Weight:275g
Package includes:
1.Main Unit
2.Carrying Case
3.Operation Manual

sound calibrator