Model407780‐ENv2.31/14
11
Specifications
General Specifications
Applicable Standards IEC 651 / 804 type 2 and ANSI S1.4 type 2
Measurement types SPL, SEL, Leq, MAX-L, and MIN-L
Measurement range 30 to 130dB
Frequency Range 31.5Hz to 8kHz
Frequency weighting ‘A’ and ‘C’
Response time FAST, SLOW, and IMPULSE selections
Linearity range 100dB
Display resolution 0.1dB
Accuracy ±1.5db (94dB @ 1kHz)
Microphone 0.5” Electret Condensor
Numeric Display 4-digit LCD
Display update rate Twice per second
Bargraph Display 4dB per step (over 100dB range) with 50 segments
Bargraph update rate 16 times per second
Display warnings ‘OVER’ and ‘UNDER’ range status indicators
Analog outputs DC: 10mV per dB; AC: 2Vrms full scale
Power supply Four (4) 1.5V ‘AA’ batteries (optional AC adaptor)
Battery life 20 hours (approx.)
Operating conditions 41 to 104
o
F (5 to 40
o
C); 90% Relative Humidity
Storage conditions 14 to 140
o
F (-10 to 60
o
C); 75% Relative Humidity
Dimensions 10.4 x 2.8 x 0.8" (265 x 72 x 21mm)
Weight Approx. 10.9 oz. (310g)
Supplied Material
Adjustment screwdriver
Batteries (four ‘AA’ 1.5V cells)
Operation Manual
CD with Windows
TM
Software and software manual
RS-232 Interface cable
Windscreen
3.5mm plug for analog output access
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