- Percentile level(Lx) - any 5 selectable values
- Measure equivalent continuous A-weighted sound pressure level capability(Leq)
- Measure environmental noise required for securing occupational health capability
- Wide linearity range of 100dB
- Equipped with an RS-232C function, allows for processing of data by PC
- Equipped with memory function, allows for storing up to 15,000 bits of data
- Backlite LCD screen for high-visibility and easy-on-the-eye display
- Excellent cost/performance ratio overpowers comparably priced products
Thông số kỹ thuật
- Applicable standards :
+ IEC 60651 Type 2
+ IEC 60804 Type 2
- Measurement functions :
+ Lp : Sound pressure level
+ Leq : Equivalent continuous A-weighted sound pressurelevel
+ Le : Sound exposure level
+ Lmax : Maximum sound level
+ Lmin : Minimum sound level
+ Lx : Percentile level(5 values of free select)
+ Lpeak : Waveform peak hold(C weighting selectable)
- Max. Measurement Level : 137 dB rms, 130 dB at c.f.3
- Measurement Range
+ 28dB to 130dB (A)
+ 33dB to 130dB (C)
+ 38dB to 130dB (F)
- Time weighting : Fast, Slow
- Microphone : 1/2 Electret condenser microphone
- Battery : Four 1.5V alkaline cells IEC type LR6, optional AC adapter
- Dimensions and weight : 85(W)x284(H)x46(D). Approx.420g
- Display
+ Type : Liquid crystal and Back light(128x64 points)
+ Digital display : 4 digits, Display Period:1s
+ Bar display : Display Period:1s