China Digital USB Noise Meter Sound Level Meter Decibel Meter Blueteeth Optional, Find details about China Sound Level Meter, Noise Meter from Digital USB Noise Meter Sound Level Meter Decibel Meter Blueteeth Optional
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 | 30~130dB(A Weighting) |
35~130dB(C Weighting) | ||
40~130dB(F Weighting) | ||
Leq | 30~130dB(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 | 20~12,500 Hz | |
Alarm Value Set | 30~130 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 | 6V,DC,100mA | |
Dimensions | 236x63x26 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 |