EXTECH Manuals

The 407760 USB Sound Level Datalogger is a high-precision data logger that can record sound level data with a maximum accuracy of ±1.4 dB. It supports A and C weightings, fast (125 ms)/slow (1 s) response times, and a maximum data logging point of 129,920. It supports USB interface for quick download of sound level data to PC.

Extech 407750 is a digital sound level meter produced by Extech Company. The product can measure sound pressure level, A-weighted sound level, C-weighted sound level, sound pressure level, sound level meter decibels, time weighting, maximum sound pressure level, minimum sound pressure level, frequency response, signal-to-noise ratio.

Extech 407750 Digital Sound Level Meter with large backlit display and PC interface with background sound absorber for machine noise measurements

This user manual introduces the features and use methods of Extech 407744 and 407766 sound level calibrators.

The Extech 407735-NIST / 407736 Digital Sound Level Meter is a high accuracy Type II measurement instrument with 1.5dB or 2dB accuracy.

This document describes the features and characteristics of the 407732-KIT and 407732-KIT-NIST Type 2 Sound Level Meter Kits from Extech Instruments Corporation, including high accuracy, high and low measuring ranges, data hold and max hold functions, etc.

The Extech Model 407732 is a digital sound level meter that can measure noise levels. It features various functions and options, including frequency weighting selection, response time selection, and range selection. The device is easy to use and provides reliable measurements when properly calibrated.

The Extech 407732 Sound Level Meter is a high-accuracy, multi-function sound level meter that features high and low measuring ranges, data hold and max hold functions, backlit display for viewing in dimly lit areas.

This manual introduces the features and characteristics of the SL355 Noise Dosimeter, Datalogger, and Sound Level Meter, including how to use the device, how to calibrate it, and how to perform dose testing and data logging.

Extech 407730 Digital Sound Level Meter measures from 40 to 130 dB with ±2 dB accuracy and 0.1 dB resolution. It also features AC analog output, A and C weighting, Max/Min value recording, Auto power off and Max Hold functions. This product can be used for monitoring workplace machinery, installing audio and alarm systems, and product noise certification and reduction.

The 407703A Analog Sound Level Meter is a portable sound level meter that can be connected to chart recorders and data loggers. It features selectable ‘A’ or ‘C’ weighting and fast or slow response time, as well as a built-in 0.5” electret microphone. The instrument also provides a two-color, bright analog display with battery check and has a measurement range from 54 to 126 dB.

The Extech 407355 Personal Noise Dosimeter is a device for measuring noise exposure in accordance with OSHA, MSHA, DOD, ACGIH, and ISO standards. It can also be used as a sound level meter to monitor sound pressure levels from 70 to 140dB.

Extech 407355 Personal Noise Dosimeter/Datalogger is a low cost, lightweight and easy to use tool for measuring total sound exposure over an 8 hour period.

This document is the user guide for Extech SDL600 Sound Level Meter, which displays and stores sound level readings in the 30 to 130 db range. The meter meets ANSI and IEC 61672 class 2 standards and includes ‘A’ and ‘C’ frequency weighting and FAST and SLOW response time. Logged data readings are stored on an SD card for transfer to a PC.

The Data Logging Sound Level Meter (SDL600) is a high-precision, multi-functional sound level meter that can measure A, C, Z frequency range sound levels and has data recording and a built-in PC interface, which can record data to an SD card and can be connected to a PC via USB for analysis.