Specifications - Extech Instruments 407706 User Manual

Introduction
Congratulations on your selection of the Extech Analog Sound Level Meter, a versatile device which measures
sound pressure level in any acoustic environment. Sound/Noise Levels that are loud or soft, high or low -pitched,
broadband, intermittent, or continuous can easily be measured in factories, schools, offices, airports, sound
studios, theaters, auditoriums, automobiles, and in the home. This precisely calibrated meter features a large,
easy-to-read analog indicator and is battery powered for portable use.

Specifications

Ranges
Resolution
Accuracy
Microphone type
Analog output
Power
Dimensions/Weight
50 to 126dB in 7ranges of 12dB, referenced to 0.00002 bar
Analog Continuous
±2 dB at 94 dB sound level
Condenser Electret
AC: 0.707Vrms (@ full scale)
Meter powered by 9V battery ;120 hour battery life
2.7x7.1x1.4" (68 x 180 x 36mm) / 5.1 oz. (160g)