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Indicator: LED Indicator
Sound Pressure Level: 94dB and 114dB
Accuracy: ±0.5dB (20°C, 760mm Hg)
Frequency of 1000±0.01% Hz allows calibration with A, B, C or D weighting networks or linear.
Conforms to IEC 942: Class 2
Applications: Calibration of 1" and 1/2" Microphones
Temperature Range - Operating: -10 to +50°C
Temperature Range - Storage: -40 to +50°C
Temperature Coefficient: 0 to 0.01 dB/°C
Altitude Effects: Approximately 0.1dB 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).
Power Supply: 2 x 1.5V AAA Um-4 Battery
Size: 52 x 62 x 95mm (2.0 x 2.4 x 3.7")
Weight (Without Battery): 150g (5.29oz)
Standard Accessories: Main Unit; Carrying Case; Operation Manual
