Digital Sound Pressure Level Meter Class 1

by Castle

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The GA116B gives simultaneous sound pressure level (Lp), max (Lmax) and peak (Cpeak) measurements for initial spot-check assessments for Noise at Work Regulations and is designed for engineers and industrial safety officers and anyone with a need for simple and accurate sound measurements.


• Level range:

- Measuring Range: 35-140
- Linear Operating Range (IEC61672-1): 65dB
- 3 Measurement Ranges (IEC61672-1): 35-100, 55-120 (Reference Range), 75-140

• Frequency Range:

- 20 Hz - 8 kHz (including microphone)
- 1 Hz - 20 kHz (electrical characteristics)

• Noise Floor: Typical: 'A' Weighting 23 dB(A) rms,
• Frequency weighting: 'A' and 'C' to IEC 61672-1:2002 and IEC 60651:1979+A1+A2
• Instrument Response: Simultaneous Peak and RMS
• Calibration: Software controlled 91.0 to 120.0 dB (1kHz) in 0.1 dB steps
• Memory: 2100 Data Intervals Maximum
• Power Requirements: Batteries: 1 x 6LR61 (size PP3), Life: >12 hours (alkaline batteries, continuous operation)

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