Features: Simple & Easy Operation Digital Display with Backlight Lightweight and Small Size Removable 1/2" Transducer Cap Conforms to IEC60942 (IEC942) Class 1 Standard Solid Design Provides Accurate and Reliable Performance Suitable for Personal, Field and Laboratory use 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 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. 200g Set Includes: 1 x Sound Level Calibrator 1 x English Manual Standard Package
