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ND9B Digital Sound Level Meter Calibrator Professional Noise Decibel Tool 94dB & 114dB for 1/2" and 1" inch Microphon
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 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
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 (Not included)
Size: 137 x x51 x 51mm
Weight: approx. 200g
Package Includes:
1 x Sound Level Calibrator
1 x English Manual
Details Pictures:
1624673
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