Your shopping cart is empty!
Availability: กรุณาสอบถามค่ะ
Application
Handy sound source for quick and easy calibration of sound level meters and sound measuring systems. The Calibrator employs solid state integrated circuitry that provides accurate and stable performance. Sensitivity calibration of microphones. Suitable for field and laboratory use
Specification
• Sound pressure level 94 dB and 114 dB.
• Accuracy: ±0.4 dB (20°C, 760 mm Hg)
• Frequency of 1000 ± 0.01% Hz allows calibration with A,B,C or D weighting networks or linear.
• Extremely low influence of static pressure.
• Conforms to IEC 942 class 1
• Calibration of 1 ” and 1/2 ” microphones.
• Battery operated
• Temperature Range: -10 to +50°C operating.
• Storage (with batteries removed) -40 to +65°C
• Temperature Coefficient: 0 to 0.01 dB/°C
• Altitude Effects: Approximately 0.1 dB decrease for each 2000 feet increase in altitude from sea level to 12,000 feet elevation, or comparable atmospheric pressure change (approximately every 50 mm of Hg decrease).
• Dimensions 142x47x47 mm
• Weight 275g (Not Including Battery)