Extech Model SDL600 Sound Level Meter SD Card Real-Time Datalogger

Specifications:

Range: 30 to 130dB (3 ranges) Basic Accuracy: ±1.4dB
Frequency Range: 31.5 to 8000Hz Weighting: A and C
Response Time: Fast (125ms)/Slow (1s)
Memory: 20M data records using 2G SD card
Analog Output: AC
Dimensions: 9.8'' x 2.9'' x 1.9" (250 mm x 73 mm x 48 mm)
Weight: 18.3 oz (520 g)