Extech Sound Level Meters

Model	Description or Specification
407355	Noise Dosimeter with PC Interface Measure total sound exposure over an 8-hour period
407706	Analog Sound Level Meter Check noise level economically
407730	Digital Sound Level Meter Analog bargraph with 50dB range updates every 40ms
407732	Sound Level Meter with Backlit Display High accuracy meets ANSI and IEC 651 Type 2 standards
407732-KIT	Sound Level Meter Kit with Backlit Display Includes Models 407732 & 407744
407732-KIT-NIST	Certified Sound Level Meter Kit with Backlit Display Includes Models 407732-NISTL & 407744-NIST
407736	Sound Level Meter (1.5dB), Type 2 Choose General purpose or high accuracy Type 2 meter
407738	Sound Level Meter with Memory Type 2 meter with manual data store and recall of up to 99 readings
407735	Sound Level Meter (2.0 dB) Choose General purpose or high accuracy Type 2 meter
407740	3 Range, Big Digit Sound Level Meter Type 2 meter with large LCD display
407744	Sound Level Calibrator 94dB, 1kHz Professional Calibrator for 0.5" or 1.0" Microphones
407750	Sound Level Meter with PC Interface Big backlit display, PC interface & background sound absorber
407760	USB Sound Level Datalogger High accuracy sound-level datalogging of up to 129,920 records
407760-NISTL	USB Sound Level Datalogger with NIST Certificate (single point) High accuracy sound-level datalogging of up to 129,920 records
407764	16,000 point Datalogging Sound Level Meter Type 2 meter with datalogging memory for 16,000 records plus PC interface and software
407766	Sound Level Calibrator 94dB/114dB, 1kHz Professional Calibrator for 0.5" or 1.0" Microphones
407768	Sound Level Meter with PC Interface Includes Windows compatible software
407780	Integrating Sound Level Datalogger Leq and SEL measurements with built-in datalogger and PC interface
407790	Real Time Octave Band Analyzer Type 2 integrating sound level meter with Octave and 1/3 Octave Band real time display
HD600	Data Logging Sound Level Meter High accuracy datalogging of up to 20,000 records
HD600-NIST	Data Logging Sound Level Meter w/NIST Certificate High accuracy datalogging of up to 20,000 records
SL130G	Sound Level Alert With Alarm Built-in LEDs alert user when sound level is too high or too low
SL130G-NIST	Sound Level Alert With Alarm w/ NIST Certification Built-in LEDs alert user when sound level is too high or too low

Model	Discontinued Items
407354	Noise Dosimeter Measure total sound exposure over an 8-hour period
407727	Digital Sound Level Meter with Bargraph Economical meter designed for general purpose sound level surveys - Discontinued - Replaced with 407730
SL120	Sound Level Monitor and Alarm - Discontinued - Replaced with SL130
SL130	Sound Level Alert With Alarm - Discontinued - Replaced with SL130G
SL130-NIST	Sound Level Alert With Alarm w/ NIST Certification - Discontinued - Replaced with SL130G-NIST

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