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نام محصول: کالیبراتور دستگاههای صوت سنج مدل: ND9
12,350,000ريال
توضیحات محصول
کالیبراتور صوت سنج مدل: ND9 - جهت کالیبره کردن دستگاههای صوت سنج - دارای 2 خروجی صدا رنج های 94 و 114 دسی بل - ساخت LANDTEK انگلستان
ND-9 Handheld Digital Sound Noise Level Tester Calibrator for Sound Level Meter 94dB & 114dB output Class I w/ Battery +/-0.3 db Accuracy for microphone , sound measuring system for acoustics field and laboratory use
Model : ND-9
The Sound Level Calibrator is a handy source for fast & easy calibration of sound level meter, microphone and sound measuring system. Design to check the accuracy of many types of sound instruments.
Moreover, the calibrator employs a solid state integrated circuitry that provides accurate and stable performance. It is Compatible with SL-5868P sound level meter and an IEC942 Class I compliant. Applications: - Sensitivity calibration for microphones
- Suitable for acoustics field and laboratory use
Features
- Sound Pressure Level with 94 dB and 114 dB
- High Accuracy with ±0.3 db
- Generates standard levels and frequencies
- Extremely low influence of static pressure
- Sensitivity calibration of microphones
- Designed for 1" and 1/2" microphones
- Battery Operated
- Supplied with Instruction Manual and battery
Output Sound Level: 94db & 114db Accuracy: ±0.3db (20°C, 760mm Hg) Frequency: 1000±0.1%Hz (allows calibration with A,B,C or D weighting networks or linear) Temperature range: -10~50°C (14 ~ 122 °F) Design For: 1"and 1/2" microphones Storage (with batteries removed) -40~65°C (-40 ~ 149 °F) Extremely low influence of static pressure Temperature coefficient : 0 to 0.01dB/°C Altitude Effects: Approximately0.1dB decrease for each 2000 feet increase in altitudefrom the sea level to 12,000 feet elevation or comparableatmospheric pressure change (approx. every 50mm of Hgdecrease) Power Supply: 9v transistor batteries NEDA 1604. Burgess 2U6 or equivalent. Battery life approx.100 hours Dimension: 48mm x 48mm x 138mm (5.43 x 1.89 x 1.89 inch) Weight: 250g
Set Includes - 1 x Sound Level Meters Calibrator
- 1 x 9V Battery installed (FREE)
- 1 x English Instruction Manual
- Standard factory packaging box
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