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Alat kalibrasi untuk perangkat Sound Level Meter Sesuai dengan standarisasi IEC60942 (IEC942) Class 1
== FEATURES: Conforms to IEC60942 (IEC942) Class 1 Standard Solid Design Provides Accurate and Reliable Performance Suitable for Personal, Field and Laboratory use Simple & Easy Operation Digital Display with Backlight Clearly Shows the Chosen dB Level Removable 1/2" Transducer Cap Suitable for 1" and 1/2" Microphone Size
Includes: 1 x Sound Level Calibrator 1 x English Manual Standard Package
SPECIFICATIONS: 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