Gold Line is pleased to offer a Professional Quality Microphone Calibrator from ACO Pacific to satisfy your calibration needs.

• 1000 Hz ± 1%
• 0 dB Reference Point for: A, B, C, D Weighting
• 94 dBSPL = 1 Pa
• Accuracy - Meets IEC60942:2003 Class 1
• ± 0.3 dB @ 23 C°
• ± 0.5 dB 0 to 50 C°
• Power 9Vdc Alkaline Battery (NEDA 1604A)
• Cavity Diameter 0.525 inch
• 1/2 inch microphone compatible