| Customization: | Available |
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| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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Guangzhou Amittari instruments Co., LTD. specialize in manufacturing coating thickness gauge, ultrasonic thickness gauge, hardness tester, surface roughness tester, vibration meter, gloss meter, whiteness meter, reflectance meter, tint meter, lux meter, stroboscope, tachometer moisture meter, tension meter, sound level meter, anemometer, force gauge etc..
Product Description
The Sound Level Meter is divided into two types: ( AS-156A Accuracy : ±2dB), (AS-156B Accuracy : ±1dB ). Can memorize 30 groups of measurement results and measuring conditions. Permits choice "A" / "C" / "F" weighting and "Fast" / "Slow" response times. Offers 4 measurement parameters: Lp ( soundlevel). Leq (Equivalent Continuous A Sound Level). Lmax (Maximum Sound Level) and LN (Percent of all readings over alarm value set).
Product Feature
* DC output :1 0 m V / d B.
* Auto range selection and digital display with no guessing errors.
* Can memorize 30 groups of measurement results and measuring conditions.
* Permits choice "A", "C" , "F" weighting and "Fast" / "Slow" response times.
* Offers 4 measurement parameters: Lp (sound level); Leq (Equivalent Continuous A Sound Level ); Lmax ( Maximum Sound
Level) and LN (Percent of all readings over alarm value set ).
* Use USB data output with connection PC.
* Provide Bluetooth data outputchoice.
Product Parameters
| Resolution |
0.1dB |
| Accuracy |
AS-156A: ± 2dB |
| AS-156B: ± 1dB | |
| Measurable Parameters | Lp (sound level) |
| Leq (Equivalent Continuous A Sound Level) | |
| Lmax (Maximum Sound Level) | |
| LN (Percent of all readings over alarm value set) | |
| Measuring Range | Lp: 30~130dB |
| Leq: 35~130dB | |
| LN: 0~100% | |
| Frequency Weighting | "A" / "C" / "F" (Flat) |
| Time Weighting | "Fast" ( 125ms ) / "Slow" ( 1 second ) |
| Microphone | 1/2 inch electret condenser type |
| Memory | Store 30 group measurement conditions and data |
| Built In Calibration Signal |
94dB at 1kHz (sinusoidal) |
| Alarm Value Set | 30~130 dB |
| Frequency Range |
AS-156A:: 20~8,000Hz AS-156B: 20~12,500 Hz |
| Alarm Output | LED and optional relay contact (NC) |
| Size | 140x70x30 mm |
| Power Supply | 4x1.5vAAA Um-4 Battery |
| Weight | 130 g (Not including batteries) |
Product Accessories
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Standard Accessories |
Main Unit |
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Windscreen |
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| Carrying Case | |
| Operation Manual | |
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Optional Accessories
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Sound Level Meter Calibrator |
| USB data output | |
| RS-232 data output | |
| Bluetooth™ data output |
Buying Guide When you choose the model number of Amittari instrument, the default is standard delivery. If you need other optional accessories, please tell our customer -service worker.
The following three items are basic optional accessories choices
Standard Accessories+USB data output
Standard Accessories+Bluetooth data output
Bluetooth Accessories
Amittari instruments generally can be supplied with Bluetooth data output function ( except few instruments ) . As Bluetooth data output is included in optional accessories, not standard delivery, it needs to be indicated when choose 10 meters to 100 meters distance can be chosen. Please kindly contact with the customer-service worker if you need Bluetooth data output.
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