【 Product Application 】
The handheld sound calibrator is suitable for fast and easy calibration of sound level meters and sound measurement systems. The calibrator adopts application-specific integrated circuit to improve the stability and reliability. Can be used to calibrate the sensitivity of the microphone. Suitable for field and laboratory use.
【 Product parameters 】
Sound pressure levels: 94dB and 114dB(based on 20µPa)
Level: DB10-4221:1Level DB10-4222:2Level
Frequency of output sound level: 1000+0.1% Hz (thus correctable on A, B, C, D or linear frequency meter weight)
Compliant with standards: GB/T15173 and IEC942
Scope of application: Calibration of Φ12.7mm(1/2 in) and Φ23.77mm(1 in) microphones and acoustic measuring instruments
Power supply: 2*1.5V AAA
Working conditions: Working temperature: -10~+50°C Storage temperature: -40~+65°C
Temperature coefficient: 0~0.01dB/°C
Height effect: For every 60 m rise from sea level, the sound pressure decreases by 0.1dB
Size: 61x52x93mm
Net weight: about 200g
