Accredited calibration/NIST traceable calibration certificate for REED SL-4022 Decibel Level Meters (Discontinued) might be available on request (for an extra charge). Please contact us for more info.
This REED SL-4022 Sound Level Meter has been discontinued. Information shown here is for reference only.
We recommend Reed C-322 Noise Decibel Meter (Datalogging) available for sale in Toronto, Canada.
For the instant display reading select the "Instant" position by sliding the SL-4022's "Max. hold & Instant display selector". Slide the A/C weighting selector to "A" or "C" position for sound level measuring. Now minimize the tolerance of readout and determine proper measuring range by selecting the "Range selector" The instrument will shows the dB range selection is upper or lower setting. In this case, slide range selector to other range for measuring. According on various measuring sound source, select the "Time weighting selector" to "F" or "S" position. Typically select the "Time weighting selector" to "F" position. Hold the instrument in hand and point the microphone at measured noise source, the sound level will be displayed on "dB" (decibel) unit.
You can hold the maximum (peak) value on display during the sound level measurement. To activate this function, slide "Max. hold & Instant display selector" to the " Max. hold " position.
The instrument is provided an 3.5 mm Dia. "Phone signal output terminal" for connecting with analyzer, level recorder, tape recorder, controller. Output Signal : AC output - AC 750 mVrms corresponding to each range step.
The sound level meter is built in the internal calibration "Calibration VR " on the front panel. Please according the following procedures to calibrate the instrument accurately, if it is necessary.
As a canadian distributor of REED Instruments products we stock most of these Decibel Meters for same day shipping. To enquire on the REED SL-4022 Decibel Level Meters (Discontinued) availability and current list price please contact us.