Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Professional Noise Decibel Calibration Tool Measurement (Digital with LCD)

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Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Professional Noise Decibel Calibration Tool Measurement (Digital with LCD)

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Amazon Two output levels of 94dB and 114dB with Output frequency of 1000±0.1%Hz (allows calibration with A,B,C or D weighting networks or linear) Fits ½ inch and 1 inch microphones (includes ½ inch adapter) Easy One handed operation with low battery indicator Battery life approx. 100 hours and Conforms to IEC942 Class 1 Altitude Effects: Approximately0.1dB decrease for each 2000ft increase in altitude from the sea level to 12,000ft elevation or comparable atmospheric pressure change (approx. every 50mm of Hg decrease), Weight: 0.440924524 pounds, Manufacturer: Gain Express Holdings Ltd

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£ 119.99

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Two output levels of 94dB and 114dB with Output frequency of 1000±0.1%Hz (allows calibration with A,B,C or D weighting networks or linear) Fits ½ inch and 1 inch microphones (includes ½ inch adapter) Easy One handed operation with low battery indicator Battery life approx. 100 hours and Conforms to IEC942 Class 1 Altitude Effects: Approximately0.1dB decrease for each 2000ft increase in altitude from the sea level to 12,000ft elevation or comparable atmospheric pressure change (approx. every 50mm of Hg decrease), Weight: 0.440924524 pounds, Manufacturer: Gain Express Holdings Ltd