Product Description

【 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

 

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