Digital Sound Level Meter – Datalogging – Sper Scientific (840013)
- Frequency Range: 31.5Hz ~ 8KHz
- Decibel Range: 30 ~ 130dB
- 4 digits resolution: 0.1dB
- Accuracy: ±1.5dB
- Time Weightings: Fast (125ms), Slow (1 sec.)
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Internally log up to 32,000 records and later download, view, and graph them. The bi-directional RS232 port and software (which come with the meter) also enable control of the meter via its on screen image. Also provides AC or DC recorder output. Accurate within ±1.5dB and meets all other specs for an ANSI S1.4 and IEC 651 Type 2 meter. Features A/C and fast/slow weighting scales, min-max, over/under alarms, and auto power off. The user may select from 4 ranges between 30 ~ 130 dB, or auto ranging. Test parameters are simultaneously displayed on a large backlit display featuring 0.1 dB resolution and a bar graph. Calibrate in compliance with OSHA using Acoustical Calibrator 850016. Comes in a foam lined, protective carrying case, complete with a windscreen, RS232 computer connection cable, software, instructions, calibration tool, recorder output plug, and a 9V battery which provides about 50 hours of use.
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Analog bargraph with 50dB range updates every 40ms • ±2dB accuracy with 0.1dB resolution • A+C weighting • AC analog output • Record Max/Min values over time • Utilizes 0.5″(12.7mm) electret condenser microphone • 40 to 130dB measuring range
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