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Description

407766 Extech Calibrator NewFeatures Calibrates and verifies Sound Level Meter operation LED indicator lights up when power is on Level position to select 94dB or 114dB For use on Sound Level Meters with 0. 5" or 1. 0" microphones Durable die cast, aluminum housing 1kHz sine wave at 94dB 114dB is generated to an accuracy of 5% (frequency) and and 0. 5dB (94dB) 1. 0dB (114dB) Specifications Frequency: 1000 Hz Sound Pressure Level: 94dB 114dB Distortion: <2% Total Harmonic

20 A: ±(3% rdg + 3 dgt) AC Accuracy 400 µA - 400 mA: ±(1

What is the Extech 407780A used for

MSO for analog plus 16 digital channels)

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35 mV/9 mV

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Set display results for Metric or Imperial

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