0.5'' Electret condensor

Update Rate 0.5 seconds

3-1/2 digit (2000 count) LCD

31.5Hz to 8KHz

55dB

35 to 130dB (Low: 35 to 90; High: 75 to 130dB)

''A'' and ''C'' (selectable)

IEC-651 & ANSI S1.4 Type 2

+/- 1.5dB / 0.1dB

less than 1dB / 3min

Fast: 125 milliseconds

Slow: 1 second

1KHz internal sine wave @ 94dB

0.65VAC rms (full scale); 600 Ohms output impedance

10mVDC / dB; 100 Ohms output impedance (approx).

9V Battery

Battery life 50 hours (typical); Low battery indicator alerts user

32 to 104 Degrees F (0 to 40 Degrees C)

10 to 90% RH

9.45 x 2.68 x 1'' (240 x 68 x 25mm) / 6.75oz (210g)