Extech 407790A Real Time Octave Band Analyzer

Overview

The Extech 407790A is a real-time octave band analyzer designed for comprehensive sound and vibration analysis. With a wide 100dB measurement range (30–130dB) and 160×160 dot matrix backlit LCD display, it provides detailed analysis with multiple statistical parameters including Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, and L95. Data can be stored on microSD cards and transferred to a PC for further analysis.

Key Features

• Wide 100dB measurement range from 30 to 130dB
• 160×160 dot matrix backlit LCD display
• A, C, and Z frequency weighting with Fast or Slow response
• 25Hz to 10kHz frequency response
• Detachable 0.52" (13.2mm) diameter condenser microphone
• Stores readings on microSD card
• Multiple statistical parameters: Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95
• Analog AC/DC recorder output
• Real-time clock with Year, Month, Day, Hour, Minute and Second display
• Tripod mount on rear
• Optional microphone extension cable for remote measurements
• Meets ANSI and IEC Type 2 standards

Applications

• Industrial noise level measurement and monitoring
• Acoustic environment assessment
• Machinery and equipment noise analysis
• Environmental compliance testing
• Research and educational applications

Included Accessories

• Detachable 0.52" (13.2mm) condenser microphone
• Tripod mount
• PC software for data analysis
• USB cable