Specifications - Extech Instruments 407736 User Manual

Specifications

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Display 3-1/2 digit (2000 count) LCD
Display update rate 0.5 seconds
Microphone 0.5" Electret condensor
Measurement Bandwidth 31.5Hz to 8KHz
Dynamic range 55dB
Measurement Range 35 to 130dB (Low: 35 to 100; High: 65 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 <1dB / 3min
Response time Fast: 125 milliseconds / Slow: 1 second
Built-in calibration check 1KHz internal sine wave @ 94dB signal is electrical
and is injected after the microphone
AC Analog output
0.65VAC rms (full scale); 600 output impedance
DC Analog output
10mVDC / dB; 100 output impedance (approx).
Power 9V Battery
Battery life 50 hours (typical); Low battery indicator alerts user
Operating temperature 0 to 40
Operating humidity 10 to 90% RH
Dimensions/weight 240 x 68 x 25mm (9.45 x 2.68 x 1")/ 210g (6.75oz)
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