Model 407790 Ver. 1.1 7/02L
3
Display warning indicators:
OVER indicator (Input signal exceeds the upper limit)
UNDER indicator (Input signal under the lower limit)
Memory capacity: See Table below (Manual/Auto storage blocks are separate)
Storage type
Mode
Manual Auto
Sound level meter 1024 data sets 10000 data sets
1/1-octave analysis 1024 data sets 6140 data sets
1/3-octave analysis 1024 data sets 3070 data sets
AC output: 2 Vrms at FS (full scale); Output impedance approx. 600Ω
DC output: 10mV/dB; Output impedance approx. 100Ω
Power: Four (4) C size 1.5V alkaline batteries
External DC power supply: 6 Vdc, 1A
Battery life: Approx. 2hours
Operating Temperature/Humidity: 32 to 104
o
F (0 to 40℃); 10 to 90%RH
Storage Temperature/Humidity: 14 to 140
o
F (-10 to 60℃); 10 to 90%RH
Environment conditions: Altitude up to 2000 meters
Safety symbol
Complies with EMC
Dimensions & Weight: 13.6 (H) x 4.0 (W) x 2.4 (D)” (34.5 × 10 × 6cm); Approx.33.5 oz.
(950g) including batteries
Accessories: Four (4) C 1.5V batteries, hard-shell carrying case, CD-ROM Windows
TM
software, RS-232 cable, 9 pin to 25 pin adapter, adjustment screw driver, Windscreen,
3.5mm plug, and AC adaptor
Optional accessories: Microphone extension cable (5m or 10m), Sound level calibrator
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