Extech Instruments 407790A, User Manual

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407790A-EN_V2.4 1/20
Data recall: Allows viewing of the manually stored data.
AC output: 1 Vrms at FS (full scale); Output impedance approx. 5kΩ; Load impedance ≥100kΩ
DC output: 10mV/dB; Output impedance approx. 5kΩ; Load impedance ≥100kΩ
External trigger input: Detection of 0 to 5V logic- level signal, falling edge trigger, pulse width
1ms or more
USB: Allows connection to a computer as storage device, or use a communication device for unit
control via communication commands.
Power: Four (4) C size 1.5V alkaline batteries
Battery Life: Approx. 2 hours
External DC power supply: 6 VDC, 1A
Operating Temperature/Humidity: -10 to 50 o C ( 14 to 122 o F); 10 to 90%RH
Storage Temperature/Humidity: -10 to 60
o
C
(
14 to 140
o
F); 10 to 75%RH
Environment conditions: Altitude up to 2000 meters
Dimensions & Weight: 34.5 × 10 × 6cm (13.6 (H) x 4.0 (W) x 2.4 (D)”); Approx. 950g (33.5 oz.)
including batteries
Accessories: Four (4) C 1.5V batteries, hard-shell carrying case, CD-ROM, USB cable, 4GB micro SD
card, Windscreen, 3.5mm plug, and AC adaptor
Optional accessories: Microphone extension cable (4.7m (15ft), p/n 407764-EXT), Sound level
calibrator, Tripod