Acoustic calibrator SC 43 PCE Instruments

Product description:

• Class II acoustic calibrator for sound level meters, with 1000 Hz frequency with sine wave and 3 reference levels.
• Its microphone connection is ½".
• It switches off automatically after 20 min.
• It measures 13 cm wide x 3.7 cm high x 6 cm deep.
• Includes 2 batteries of 1.5 V type AA.

Technical data:

• Reference level: 94 dB, 104 dB, 114 dB.
• Accuracy: ±0.4 dB.
• Frequency: 1000 Hz. For A, B, C and D frequency weighting.
• Frequency accuracy: ±1,7 %.
• Stabilisation time: 10 seconds.
• Total harmonic distortion: < 3 %.
• Power supply: 2 x 1.5 V AA size batteries (included) with an approximate life of 50 hours.