Description
* Measuring Range: 30 to 130 dB; Resolution: 0.1 dB; Accuracy: 23 ± 5°C
* Display: LCD size: 52 mm x 38 mm LCD with green backlight ( ON/OFF ); Frequency: 31.5 to 8,000 Hz; * * Microphone type: Electric condenser microphone
* Operating Temperature: 0°C to 50°C; Operating Humidity: Less than 85% R.H; Data hold: To freeze the measurement value; Sampling Time: Approx1 second
* Range selector: 30 to 130 dB; Data Output: RS 232/USB PC computer interface; Memory Card: SD memory card1 GB to 16 GB
* Power Supply: DC 1.5 V battery; Accessories: Meter, Instruction manual ( UM3, AA ) x 6 PCs, or equivalent, ADC 9V adapter input( AC/DC power adapter is optional ); Power Current: Normal operation ( w/o SD card save data and LCD Backlight is OFF): ApproxDC 12 mA