Sound Level Meter Calibrator ND9B

Sound Level Meter Calibrator ND9B
Sound Level Meter Calibrator ND9B Sound Level Meter Calibrator ND9B Sound Level Meter Calibrator ND9B
Brand: Landtek
Product Code: ND9B
Availability: In Stock
Price: Rp.2,600,000
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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

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