Keterangan
Integrating Sound Level Datalogger 407780
Mfg : EXTECH
Features:
Meets ANSI and IEC 651 Type 2 standards
30 to 130dB measurement range with ± 1.5dB accuracy
Datalogging function records up to 32, 000 records
Programmable integrating time, real time calendar/ clock
Display modes: SPL, SEL, Lmax/ Lmin and Leq
Linearity over wide range ( 100dB)
Includes RS-232 serial cable and Windows compatible software
Specifications
Applicable Standards IEC 651 And 804 Type 2, ANSI S1.4 Type 2
Accurancy ± 1.5dB ( ref 94dB@ 1KHz)
Resolution 0.1dB
Digital display 4 digital LCD
Measurement Parameters SPL, Leq, SEL, Maxl, Minl
Measurement Range 30dB to 130dB
Linearity Range 100dB
Measurement Frequency range 31.5Hz 8KHz
Frequency Weighting A and C
Response Imulse, Fast and Slow
Microphone 1/ 2" Electret condeser microphone
Sampling time update every 0.5s
Bargraph 4dB steps, 100dB range, 100ms update
Display Warning Function
Overrange indicator diplayed at the upper limit
underrange indicator Dispalyed at the lower limit
Power supply 2Vrms( at full scale) , optional AC adapter
Battery life Approximately 20 hours
Dimensions 10.4× 2.8× 0.8" ( 265× 72× 21mm)
Weight 10.9oz ( 310g)
SMS Indotrade