Professional Digital Sound Level Meter Calibrator

This Sound Level Calibrator is a handy source for fast & easy calibration of sound level meter, microphone and sound measuring system. It is designed to check the accuracy of many types of sound instruments.Features• Simple & Easy Operation • Digital Display with Backlight, Clearly Shows the Chosen dB Level • Lightweight and Small Size • Removable 1/2″ Transducer Cap, Suitable for 1″ and 1/2″ Microphone Size • Conforms to IEC60942 (IEC942) Class 1 Standard • Solid Design Provides Accurate and Reliable Performance • Suitable for Personal, Field and Laboratory useSpecifications• Sound Pressure Level: 94dB & 114dB • Accuracy: ±0.3dB (20°C, 760mm Hg) • Frequency: 1000±0.01% Hz allows calibration with A,B,C or D weighting networks or linear • Microphone Size: 1″ and 1/2″ microphones  • Temperature Coefficient: 0~0.01 dB/°C • Standard: IEC60942 (IEC942) Class 1 • Altitude Effects: Approximately decrease 0.1dB per 2000 ft increase in altitude from sea level to 12,000 ft elevation, or comparable atmospheric pressure change (approximately every 50mm of Hg decrease) • Operating Temperature: -10~50°C • Storage Temperature: -40~65°C(batteries removed) • Power Supply: 2 x 1.5V AAA (excluded) • Size: 137 x x51 x 51mm • Weight: approx. 200gSet Includes• 1 x Sound Level Calibrator • 1 x English Manual • Standard Package SKU: 148 Category: Sound Level Meters Brand: AZInstruments