Specifications - Extech Instruments 407727 User Manual

Introduction
Congratulations on your purchase of Extech's Digital Sound Level Meter. This professional meter, with proper
care, will provide years of safe reliable service.

Specifications

Measurement ranges
Resolution
Accuracy
Display
Display update rate
Time weighting
Frequency weighting
Analog output
Microphone type
Power
Dimensions/Weight
Auto range from 40 to 130dB ('A' Weighted)
Auto range from 45 to 130dB ('C' Weighted)
0.1 dB
±2 dB at 94 dB sound level
3 1/2 digit LCD with analog bargraph
160ms (LCD), 40ms (bargraph)
Fast / Slow Response (selectable)
'A' and 'C' weighting (selectable)
AC: 0.707Vrms
Condenser Electret
Meter powered by 9V battery ;120 hour battery life
2.7x7.1x1.4" (68 x 180 x 36mm) / 5.1 oz. (160g)