Frequency and Time weighting are designed to meet IEC 61672 class 2. The meter with programmable integrating time provides precise linearity over a wide range (100dB) and displays Leq and SPL measurements. Real time SD memory card Data logger, it Built-in Clock type and Calendar, real time data recorder, sampling time set from 1 second to 3600 seconds. Manual data logger is available ( set the sampling time to 0 second ), during execute the manual data logger function, it can set the different position ( location ) No. ( position 1 to position 99 ). Innovation and easy operation, computer is not need to setup extra software, after execute data logger, just take away the SD card from the meter and plug in the SD card into the computer, it can download the all the measured value with the time information ( year/month/date/ hour/minute/second ) to the Excel directly, then user can make the further data or graphic analysis by themselves
A : C weighting networks comply with standards.
0.5 standard microphone head.
Time weighting (Fast : Slow) dynamic characteristic modes.
Build External calibration VR.
Auto range : Manual range selection.
Condenser microphone for high accuracy : long-term stability.
Memory function to store the Max. : Min. value.
Hold and Peak Hold functions.
SD card capacity : 1 GB to 16 GB.
LCD with green light backlight, easy reading.
Can default auto power off or manual power off.
Data hold, record max. and min. reading.
Microcomputer circuit, high accuracy.
Power by UM3/AA ( 1.5 V ) x 6 batteries or DC 9V adapter.
RS232/USB PC COMPUTER interface.
Heavy duty : compact housing case. Leq, SEL, SPL, MAX-L, and MIN-L measurements.