User Guide

Specifications subject to change without notice.
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www.extech.com
3/28/08 - R1
Analog bargraph with 50dB range
Updates every 40ms for viewing trends
Digital Sound Level Meter
Ordering Information:
407730....................Digital Sound Level Meter
407730-NIST ..........407730 with NIST Certificate
Features:
• ±2dB accuracy with 0.1dB resolution
• A&C weighting
• AC analog output
• Record Max/Min values over time
• Auto power off and Max Hold functions
• Utilizes 0.5"(12.7mm) condenser microphone
• Tripod mountable
• 40 to 130dB measuring range
• Fast/slow response time
• Tripod mountable
• Complete with 4 AAA batteries and
microphone windscreen
Applications:
• Monitoring workplace machinery
• Installing audio and alarm systems
• Product noise certification and reduction
Specifications
Display Counts 2000 count LCD
Range 40 to 130dB
Basic Accuracy ±2dB
Condenser Microphone 0.5" (12.7mm)
Analog Output AC
Dimensions 9 x 2.2 x 1.7"(230 x 57 x 44mm)
Weight 5.6 oz (160g)
99 Washington Street
Melrose, MA 02176
Phone [phone]
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
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