Extech 407703A Analog Sound Level Meter

by Extech
Extech 407703A Analog Sound Level Meter


Measurement range from 54 to 126 dB in 7 ranges
Accuracy: +/- 2dB @ 94dB, 1000Hz
Analog output for connection to chart recorders, dataloggers, etc.
Selectable weighting (`A` or `C`) and response time (Fast or Slow)
Tripod mount and 9V battery powered
Ideal for field use including: noise ordinance violations, community/traffic noise measurements, acoustic studies and stereo balancing

- Identify noise ordinance violations
- Traffic noise measurements
- Community noise measurements
- Theater acoustic studies
- Stereo balancing


Range 54 to 126 dB
Accuracy +/- 2dB @ 94dB, 1000Hz
Weighting `A` and `C` (Selectable)
Response time FAST and SLOW (Selectable)
Microphone 0.5" Electret Condenser type
Analog output AC: 0.707Vrms
Power Supply 9V Battery
Dimensions 2.7 x 7.1 x 1.4" (68 x 180 x 36mm)