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Essential safety guidelines to prevent damage and ensure proper operation of the sound level meter.
Details the microphone, display, and hand strap on the front of the sound level meter.
Explains the function of each key on the sound level meter for user interaction.
Covers battery types, insertion, life, and the use of the optional AC adapter for power.
Steps for calibrating the unit using its internal oscillator.
Procedure for acoustic calibration using external sound calibrator or pistonphone.
Details the various indicators, readings, and graphical elements shown on the device screen.
Step-by-step procedure for basic sound level measurement using the device.
Guides on how to measure and display the equivalent continuous sound level.
Procedure for measuring and displaying the sound exposure level of a sound event.
How to measure and display the peak maximum and minimum sound levels recorded.
Explains how to set up and perform percentile sound level measurements (L1-L99).
Details measurement of peak, impulse, and other auxiliary sound level processing values.
Procedure for manually saving sound level and processed data to internal memory or card.
Instructions for accessing and viewing data stored in the unit's internal memory.
How to use Auto 1 mode for continuous sound level waveform recording on a memory card.
Using Auto 2 mode for long-term storage of processed values at preset intervals.
Describes electrical and acoustic calibration methods using the built-in oscillator or calibrator.
Essential safety guidelines to prevent damage and ensure proper operation of the sound level meter.
Details the microphone, display, and hand strap on the front of the sound level meter.
Explains the function of each key on the sound level meter for user interaction.
Covers battery types, insertion, life, and the use of the optional AC adapter for power.
Steps for calibrating the unit using its internal oscillator.
Procedure for acoustic calibration using external sound calibrator or pistonphone.
Details the various indicators, readings, and graphical elements shown on the device screen.
Step-by-step procedure for basic sound level measurement using the device.
Guides on how to measure and display the equivalent continuous sound level.
Procedure for measuring and displaying the sound exposure level of a sound event.
How to measure and display the peak maximum and minimum sound levels recorded.
Explains how to set up and perform percentile sound level measurements (L1-L99).
Details measurement of peak, impulse, and other auxiliary sound level processing values.
Procedure for manually saving sound level and processed data to internal memory or card.
Instructions for accessing and viewing data stored in the unit's internal memory.
How to use Auto 1 mode for continuous sound level waveform recording on a memory card.
Using Auto 2 mode for long-term storage of processed values at preset intervals.
Describes electrical and acoustic calibration methods using the built-in oscillator or calibrator.
General| Type | Sound Level Meter |
|---|---|
| Frequency Range | 20 Hz to 8 kHz |
| Measurement Range | 30 to 130 dB |
| Frequency weighting | A, C |
| Time weighting | Fast, Slow |
| Microphone | 1/2 inch electret condenser microphone |
| Weight | Approx. 300 g |
| Power Supply | 2 x AA batteries |
| Applicable standards | IEC 61672-1 |
| Measurement time | Fast, Slow |
| Linear operating range | 30 dB to 130 dB |
| Display | LCD |
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