Extech 407750 Sound Level Meter with PC Interface

Features

• Auto/Manual ranging from 30 to 130dB in 6 ranges
• Meets ANSI and IEC Type 2 standards
• A and C selectable frequency weightings
• Fast and Slow selectable response times
• Background noise absorber mode for machine noise measurements filters ambient noise
• Large 3 1/2 digit display with 0.1dB resolution with backlighting and analog bargraph
• Electret condenser microphone provides 1.5dB accuracy
• Min/Max plus analog output and tripod mount
• Max Hold latches maximum value on display
• RS-232 interface for capturing data directly on a PC, optional Windows compatible software
• Complete with batteries and carrying case

Applications

• Machine noise evaluation
• OSHA compliance testing
• Community noise measurement
• Noise ordinance
• PC interface for data collection

Specifications:

• Digital Display: 3-1/2 digit (1999 count) Autorange LCD
• Bargraph Display: 50dB display range (1dB resolution)
• Measurement Range: 30 to 130dB (35 to 130dB for "C" weighting)
• Resolution: 0.1dB
• Accuracy: +/-1.5dB @ 94dB for a 1kHz sine wave
• Microphone: Electret Condensor .24" (6mmdia.) type
• Frequency Weighting: "A" and "C" type
• Time Response: Slow/Fast
• Sampling time: updates every 0.5 seconds
• Measurement frequency range: 31.5Hz to 8KHz
• Analog output: AC: 0.707Vrms (full scale); DC 10mVDC/dB
• Applicable Standards: IEC 651 Type 2, ANSI S1.4 Type 2
• Power Supply: 9V battery, optional AC adaptor
• Dimensions: 10x3.1x1.5" (256x80x38mm)
• Weight: 8.5oz (240g)