MSL-388SD SD card real time data recorder 4 to 20 mA output SOUND LEVEL DATA RECORDER

* Frequency and Time weighting are designed to meet IEC 61672 class 2.

* A & C weighting networks comply with standards.

* LCD is dot-matrix with backlight and easy reading.

* Data-logger and Sound level meter.

* 0.5" standard microphone head.

* Time weighting (Fast & Slow) dynamic characteristic modes.

* Condenser microphone for high accuracy & long-term stability.

* Memory function to store the Max. & Min. value.

* Hold functions.

* Real time Datalogger

Records device of an external memory device (SD memory card ) ,Real time Datalogger, it Built-in Clock and Calendar, real time data recorder, sampling time set from 5,10,30,60,120,300,600,1800,3600 seconds.

* Manual datalogger is available ( set the sampling time to 0 second ).

* Innovation and easy operation, computer is not need to setup extra software, after execute datalogger, just take away the SD card from the meter and plug in the SD cardinto 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.

* SD card capacity : 1 GB to 16 GB.

* Can default auto power off or manual power off.

* 4-20 mA analog output.

* Microcomputer circuit, high accuracy.

* Power by UM4/AAA ( 1.5 V ) x 6 batteries or DC 9V adapter.

* RS232/USB PC COMPUTER interface.

* Heavy duty & compact housing case.