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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 | |
| Paraments Measured |
Lp-Sound Level | |
| Leq-Equivalent Continuous A Sound Level | ||
| Lmax-Maximum Sound Level | ||
| LN-Percent of All Reading Over Alarm Value Set | ||
| Testing Range |
Lp | 30dB~130dB(A Weighting) |
| 35dB~130dB(C Weighting) | ||
| 40dB~130dB(F Weighting) | ||
| Leq | 30dB~130dB(10Seconds,1Min,5Min,10Min,15Min,30Min,1Hour,8Hours,24Hours) | |
| LN | 0%~100% | |
| Resolution | 0.1dB | |
| Accuracy | 1dB | |
| Frequency Weighting | ‘A’/’C’/’F’*(Flat) | |
| Time Weighting | Fast (125 ms)/Slow (1 Second) | |
| Microphone | 1/2 Inch Electret Condenser Type | |
| Memory | 30 Group with Measuring Conditions | |
| Calibration Signal Built in | 94dB at 1k Hz(sinusoidal) | |
| Frequency Range | 20Hz~8kHz | |
| Alarm Value Set | 30dB~130 dB | |
| Alarm Output | LED Optional Relay Contact(NC) | |
| Indicator | Low Battery Indicator | |
| Power Supply | 4x1.5V AAA Size (UM-4)Battery | |
| External DC Power Supply | 5V,DC,100mA | |
| Dimensions | 236mmx63mmx26 mm | |
| Weight | 170 g | |
Accessories
| Standard Accessories | Main Unit |
| Windscreen | |
| Carrying Case (B04) | |
| Operation Manual | |
| Optional Accessories | ND9 Sound Level Meter Calibrator |
| RS-232C Data with Software | |
| Bluetooth Data Adapter with Software |
