EXTECH 407780A Integrating Sound Level Datalogger

EXTECH 407780A Integrating Sound Level Datalogger

Features :

4-digit multifunction LCD with analog bargraph
Precise linearity over wide range (100dB)
Display modes: SPL, SPL MIN/MAX, SEL, and Leq
Programmable integrating time
A and C Frequency weighting
Impulse/Fast/Slow response settings
Datalogging function records up to 32,000 records
Real time calendar/clock
Analog and alarm output features can be used to connect with Frequency analyzers, chart recorders, external dataloggers, and sound level alarms
Built-in USB interface with included Windows® datalogging software
Tripod mount
Meets IEC 61672-1, 60651/60804 Type 2 and ANSI S1.4 Type 2 specifi cations
Complete with windscreen, adjustment screwdriver, USB cable, Windows® compatible software, battery, and case

Specifications :

Applicable Standards    IEC 651 And 804 Type 2,ANSI S1.4 Type 2
Accuracy    ±1.5dB (ref 94dB@1KHz)
Bandwidth    0.1dB
Digital Display    4 digital LCD/s
Measurement Parameters    SPL,Leq,SEL,MaxL,MinL
Measurement Range    30dB to 130dB
Linearity Range    100dB
Measurement Frequency Range    31.5Hz to 8KHz
Frequency Weighting    A and C
Response    Impulse,Fast and Slow
Microphone    1/2 ” Electret condenser microphone
Sampling time    updated every 0.5s
Bargraph    4dB steps,100dB range,100ms update
Display Warning Function
Overrange Indicator
Underrange Indicator    Displayed at the upper limit
Displayed at the lower limit
Analog AC/DC Output    2Vrms (at full scale),10mVDC/dB
Power Supply    Four 1.5V AA batteries,Optional AC adapter
Battery Life    Approximately 20 hours
Dimensions    10.4×2.8×0.8″ (265x72x21mm)
Weight    10.9oz (310g)

What’s Included : 

(1) Sound level meter
(1) USB cable
(1) Windows compatible software
(1) Windscreen
(4) AA batteries
(1) Carrying case