Shenzhen Bestone Industrial Co.Ltd.
| Payment Terms | T/T,Western Union |
| Supply Ability | More than 500pcs per month |
| Delivery Time | 3-5 working days |
| Packaging Details | Plastic carrying case and white paper box |
| Model NO. | ND9A ND9B |
| Accuracy for ND9b | 0.3dB |
| Frequency | 1000±0.01% Hz |
| Cailbration of Microphones | Calibration of 1" and 1/2" Microphones |
| Brand Name | Bestone |
| Model Number | ND9A,ND9B |
| Certification | CE,ROHS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,Western Union | Supply Ability | More than 500pcs per month |
| Delivery Time | 3-5 working days | Packaging Details | Plastic carrying case and white paper box |
| Model NO. | ND9A ND9B | Accuracy for ND9b | 0.3dB |
| Frequency | 1000±0.01% Hz | Cailbration of Microphones | Calibration of 1" and 1/2" Microphones |
| Brand Name | Bestone | Model Number | ND9A,ND9B |
| Certification | CE,ROHS | Place of Origin | CHINA |
| High Light | 114dB Sound Level Calibrator ，1" Microphone Calibration Sound Level Calibrator ，0.3dB Accuracy Decibel Calibrator | ||
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Model |
ND9A |
ND9B |
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Standards |
GB/T15173, IEC942 |
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Sound Pressure |
94 dB and 114 dB |
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Accuracy |
0.5 dB |
0.3 dB |
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Frequency |
1000±0.01% Hz allows calibration with A,B,C or D weighting networks or linear. |
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Applications |
Calibration of 1" and 1/2" microphones |
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Temperature Coefficient |
0 to 0.01 dB/°C |
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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 50mm of Hg decrease). |
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Temperature Range |
-10 to +50°C(operating) |
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Power Supply |
1x9V 6F22 Battery |
4x1.5V AAA (UM-4) |
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Dimensions |
142x47x47mm |
137x51x51mm |
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Weight |
275g |
200g |
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Accessories:
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Standard Accessories |
Main Unit |
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Carrying Case(B07) |
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Operation Manual |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2010
Employee Number:
100~1000
Ecer Certification：
Verified Supplier
Shenzhen Bestone Industrial Co.Ltd. is equipped with modernized and standardized production lines for measuring instruments and testing equipment. We integrate precision processing, automated assembly, aging testing, calibration, and quality inspection into a complete manufacturing system. Under t... Shenzhen Bestone Industrial Co.Ltd. is equipped with modernized and standardized production lines for measuring instruments and testing equipment. We integrate precision processing, automated assembly, aging testing, calibration, and quality inspection into a complete manufacturing system. Under t...
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