SC2 Series
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introduction:
be used for absolute sound pressure calibration of microphone of 1/2 inch and 1 inch, sound level meter and other acoustic measuring instruments
Characteristics:
·Can meet the requirements of GB/T15173
·Be controlled by single chip micyoco,automatic temperature compensation,good stability
Product Code | SC21 | SC20 |
Nominal sound pressure level | 94Db and 114dB | 94Db |
Frequency Range(Hz) | 1000Hz±5Hz | 1000Hz±20Hz |
Accuracy of sound pressure level | 1 level±0.2Db(-23°C) ±0.3Db(-10°C-50°C) | 2 level±0.3Db(-23°C) ±0.5Db(-10°C-50°C) |
Power Supply | EF22×1 | |
Applicable Scope | φ23.77mm or 126mm microphone | |
Weight | About 40kg | |
