Microphone
0.5'' Electret condensor
Display
Update Rate 0.5 seconds
3-1/2 digit (2000 count) LCD
Measurement Bandwidth
31.5Hz to 8KHz
Dynamic range
55dB
Measurement Range
35 to 130dB (Low: 35 to 90; High: 75 to 130dB)
Frequency weighting
''A'' and ''C'' (selectable)
Applicable standards
IEC-651 & ANSI S1.4 Type 2
Accuracy/Resolution
+/- 1.5dB / 0.1dB
Maximum Hold decay time
less than 1dB / 3min
Response time
Fast: 125 milliseconds
Slow: 1 second
Built-in calibration check
1KHz internal sine wave @ 94dB
AC Analog output
0.65VAC rms (full scale); 600 Ohms output impedance
DC Analog output
10mVDC / dB; 100 Ohms output impedance (approx).
Power
9V Battery
Battery life 50 hours (typical); Low battery indicator alerts user
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