• Meets ANSI & IEC 651 Type 2 standards
• Background noise absorber for machine noise measurements filters ambient noise
• 30 to 130dB measurement range with ±1.5dB accuracy
• Large display with backlighting and analog bargraph
• MIN/MAX, Auto/Manual Ranging
• Analog AC/DC outputs for connection to a recorder
• RS-232 interface for capturing data directly on a PC
• Tripod mount ideal for field use

The 407750-NIST Sound Level Meter with PC Interface has a large backlit display, PC Interface and background sound absorber for noise measurements with high ambient noise levels. It features A/C Weighting, fast/slow response time, Min/Max, and analog AC/DC outputs for connection to a recorder. Complete with microphone wind screen, 9V battery and case. Includes certificate traceable to NIST.