
Sound Level Calibrator ND9AND9B
For quick and easy calibration of sound level meters and sound measuring systems.
Features:
* Handy sound source for quick and easy calibration of sound level meters and sound measuring systems.
* The Calibrator employs solid state integrated circuitry that provides accurate and stable performance.
* Sensitivity calibration of microphones.
* Suitable for field and laboratory use.
| 
							 Model  | 
						
							 A  | 
						
							 B  | 
					
| 
							 Standards  | 
						
							 GB/T15173, ANSI S1.40 CLASS2, IEC942  | 
					|
| 
							 Sound Pressure Level  | 
						
							 94dB  | 
						
							 94dB  | 
					
| 
							 114dB  | 
						
							 114dB  | 
					|
| 
							 Accuracy  | 
						
							 0.5dB  | 
						
							 0.3dB  | 
					
| 
							 Frequency  | 
						
							 1000Hz  | 
					|
| 
							 Calibration Of Microphones  | 
						
							 1", 1/2"  | 
					|
| 
							 Power Supply  | 
						
							 1x6F22 9VBattery  | 
					|
| 
							 Dimensions  | 
						
							 142 × 47 × 47 mm  | 
					|
| 
							 Weight  | 
						
							 275g (Not Including Batteries)  | 
					|
Standard Accessories:
1. Main Unit
2. Carrying Case
3. Operation Manual