Features
* 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 ).
* DC output :1 0 m V / d B.
* Can memorize 30 groups of measurement results and measuring conditions.
* Auto range selection and digital display with no guessing errors.
* Use USB/RS-232 data output to connect with PC.
* Provide Bluetooth data output choice.
Specifications
Standards |
IEC 651.2, ANSI 1.4.2 |
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Paraments Measured |
Lp-Sound Level |
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Leq-Equivalent Continuous A Sound Level |
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Lmax-Maximum Sound Level |
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LN-Percent of All Reading Over Alarm Value Set |
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Testing Range |
Lp |
30dB~130dB(A Weighting) |
35dB~130dB(C Weighting) |
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40dB~130dB(F Weighting) |
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Leq |
30dB~130dB(10Seconds,1Min,5Min,10Min,15Min,30Min, 1Hour,8Hours,24Hours) |
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LN |
0%~100% |
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Resolution |
0.1dB |
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Accuracy |
1dB |
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Frequency Weighting |
‘A’/’C’/’F’*(Flat) |
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Time Weighting |
Fast (125 ms)/Slow (1 Second) |
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Microphone |
1/2 Inch Electret Condenser Type |
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Memory |
30 Group with Measuring Conditions |
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Calibration Signal Built in |
94dB at 1k Hz(sinusoidal) |
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Frequency Range |
20Hz~12,500 Hz |
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Alarm Value Set |
30dB~130 dB |
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Alarm Output |
LED Optional Relay Contact(NC) |
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Indicator |
Low Battery Indicator |
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Power Supply |
4x1.5V AAA Size (UM-4)Battery |
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External DC Power Supply |
6V,DC,100mA |
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Dimensions |
236mmx63mmx26 mm |
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Weight |
170 g |
Accessories
Standard Accessories |
Main Unit |
Windscreen |
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Carrying Case (B04) |
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Operation Manual |
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Optional Accessories |
ND9 Sound Level Meter Calibrator |
RS-232C Data with Software |
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Bluetooth Data Adapter with Software |