Special device from Easy Test
Application
This Sound Level Meter has been designed to meet the measurement requirements of safety Engineers, Health, Industrial safety offices and quality control in various environments.
Ranges from 30dB to 130dB at frequencies between 31.5HZ and 8 KHZ .
Display with 0.1dB steps on a 3 1/2 digits LCD.
With two equivalent weighted sound pressure levels, A and C.
Both AC and DC signals output is available from both standard 3.5mm coaxial socket suitable for a frequency analyzer, level recorder, FFT analyzer, graphic recorder ; etc.
Features
MAX/MIN hold
Frequency weighting select A / C
Time weighting: Fast (125ms) ,Slow (1sec)
1/2 inch electret condense microphone
AC / DC output
OVER is showing when input is more than upper limit of range UNDER is showing when input is less than lower limit of range
Specifications
| Display | 3½digits LCD,resolution:0.1dB |
| Standard applied | IEC61672-1 Class2, ANSI S1.4 Type2 |
| Frequency range | 31.5Hz~8KHz |
| Measuring level range | 30~130Db |
| Measurement item | SPL (sound pressure level) |
| Frequency weighting | A/C |
| Microphone | ½inch electret condense microphone |
| Time weighting | Fast (125ms) ,Slow (1sec) |
| Level ranges | Lo:30~80dB Med:50~100dB Hi:80~130dB |
| Accuracy | ±1.5dB (under reference conditions) |
| Dynamic range | 50dB |
| Alarm function | •OVER is showing when input is more than upper limit of range •UNDER is showing when input is less than lower limit of range |
| MAX/MIN hold | hold readings the Maximum or Minimum value |
| AC output | 1Vrms at FS (full scale) |
| DC output | 10Mv/dB output impedance Approx. 100Ω |
| Output impedance | Approx. 50Ω FS: means the upper limit of each level range |
| Low battery indication | replace battery as LCD display |
| DC adapter | voltage 9V DC (8~13 VDC Max) |
| supply current | >30m ADC |
| Dimension | 280x80x32mm (LxWxH) |
| Weight | about 300g (including battery) |
| Manufacturer | .... |
|---|---|
| Dimensions | .. × .. cm |
| Weight | 00gm |
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