407780 Datasheet, PDF (12/13 Pages) Extech Instruments Corporation. – Integrating Sound Level Datalogger

Specifications
General Specifications
Applicable Standards
Measurement types
Measurement range
Frequency Range
Frequency weighting
Response time
Linearity range
Display resolution
Accuracy
Microphone
Numeric Display
Display update rate
Bargraph Display
Bargraph update rate
Display warnings
Analog outputs
Power supply
Battery life
Operating conditions
Storage conditions
Dimensions
Weight
IEC 651 / 804 type 2 and ANSI S1.4 type 2
SPL, SEL, Leq, MAX-L, and MIN-L
30 to 130dB
31.5Hz to 8kHz
‘A’ and ‘C’
FAST, SLOW, and IMPULSE selections
100dB
0.1dB
±1.5db (94dB @ 1kHz)
0.5” Electret Condensor
4-digit LCD
Twice per second
4dB per step (over 100dB range) with 50 segments
16 times per second
‘OVER’ and ‘UNDER’ range status indicators
DC: 10mV per dB; AC: 2Vrms full scale
Four (4) 1.5V ‘AA’ batteries (optional AC adaptor)
20 hours (approx.)
41 to 104^oF (5 to 40^oC); 90% Relative Humidity
14 to 140^oF (-10 to 60^oC); 75% Relative Humidity
10.4 x 2.8 x 0.8" (265 x 72 x 21mm)
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
12
Model 407780 Version 2.1 09/07