Includes 2200 Sound Level Meter, QC-10/QC-20 Sound Calibrator, QC-10/QC-20 and 2200 Operator's Manual. Does NOT include 9V Battery
The Quest models 1200 and 2200 and their remote versions (1200R/2200R) are Impulse and Integrating Sound Level Meters for measuring frequency weighted and time averaged SPL, weighted or unweighted Peaks or frequency weighted Leq. Applications include laboratory, industrial, community and military, measurement or analysis.

The models 1200 and 2200 are easy-to-use hand held meters with an LCD display that provides a numerical readout. They are housed in an R.F. shielded injection molded case. The meter is operated with simple slide switches. An output jack on the bottom of the meter is provided for connecting to peripheral devices such as chart recorders, oscilloscopes, audio recorders, etc.

The Quest Model QC-10 and QC-20 are acoustic calibrators for calibrating precision type 1 as well as general purpose type 2 sound level meters and other instrumentation with a microphone input. The QC-10 is a single frequency calibrator which generates 1000 Hz at 114 dB SPL. The QC-20 is a dual-frequency, dual-amplitude calibrator. It generates four selectable reference tones: frequencies of 250 and 1000 Hz, each at levels of 94 and 114 dB. The calibrators are powered by a single 9 volt battery.

The calibrators consist of an oscillator to generate the frequencies, an amplifer stage, a transducer and microphone coupler. The coupler directly accepts a standard 1" (15/16") diameter microphone. Separate adapters are available to accommodate other sizes of microphones. The calibrators also provide a 1 volt RMS signal through a 1/8" phone jack

(QuestLevelingMeter)

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