407750 Sound Level Meter with PC Interface

• 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
• Optional Certificate of Calibration, traceable to N.I.S.T. with data at multiple points

Aplications of the 407750 Sound Level Meter

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

• 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 ±1.5 dB @ 94dB for a 1kHz sine wave
• Microphone Electret Condensor .24"(6mm dia.) type
• Frequency Weighting “A” and “C” type
• Time Response Slow/Fast
• Sampling time updates every 0.5seconds
• 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 10 x 3.1 x 1.5"(256 x 80 x 38mm)
• Weight 8.5oz. (240g)
• Warranty 1 year