HS6028A type multifunctional acoustic calibrator is mainly used in 1 / 2 inches and 1 inch test microphone and acoustic measuring instrument, used for pressure sensitivity calibration of them. It has small size, light weight, stable performance and convenient operation.. It meets the requirements of IEC942 "sound calibrator" grade I calibrator Technology
Technical parameters and functions | |
Sound pressure level: (2 x 10-5Pa for reference) |
1) 94 dB; 2) 114dB。 |
Pressure level accuracy |
1) 20℃ ±5℃:±0.3dB; 2) 0℃~40℃:±0.5dB。 |
Frequency ratio |
1000Hz±2% |
Harmonic distortion |
≤3% |
Delay time |
About 50s |
Power Supply |
9 volt stack battery 6F22 |
External power supply |
The 9 volt power supply socket |
Configuration content
Number
Host, adapter, battery, metrological verification certificate, handbag
1