407790 Datasheet, PDF (3/18 Pages) Extech Instruments Corporation. – Real Time Octave Band Analyzer

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. 2 hours
Operating Temperature/Humidity: 32 to 104^oF (0 to 40℃); 10 to 90%RH
Storage Temperature/Humidity: 14 to 140^oF (-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, adjustment screw driver, Windscreen, 3.5mm plug, and AC
adaptor
Optional accessories: Microphone extension cable (5m or 10m), Sound level calibrator
3
Model 407790 Ver. 2.1 9/07