HS6028A Multi functional Sound CalibratorDetailed product description：

1、 Application scope and characteristics:
The HS6028A multifunctional sound calibrator is mainly suitable for testing 1/2-inch and 1-inch microphones and acoustic measuring instruments, used for calibrating their sound pressure sensitivity. It is small in size, light in weight, stable in performance, and easy to use. It meets the technical requirements of Level I calibrator in IEC942 "Sound calibrator".

2、 Main technical parameters and functions of HS6028A multifunctional sound calibrator:
1. Sound pressure level: (based on 2 × 10-5Pa as reference)
1) 94 dB；
2) 114dB。
2. Sound pressure level accuracy:
1) 20℃ ±5℃：±0.3dB；
2) 0 ℃~40 ℃: ± 0.5dB.
3. Frequency: 1000Hz ± 2%;
4. Harmonic distortion: ≤ 3%;
5. Delay time: about 50 seconds;
6. Power supply: 9-volt laminated battery 6F22;
7. External power supply: 9-volt power socket.

3、 Other:
1. Size: 75mm × 75mm × 65mm;
2. Quality: Approximately 268 grams (including battery and adapter);
3. Basic configuration: host, adapter, battery, metrological verification certificate, handbag