EXTECH 407732: Low/High Range Sound Level Meter
Extech 407732: Low/High Range Sound Level Meter
The Extech 407732 is a compact and reliable Type 2 sound level meter designed for a wide range of noise monitoring applications. This device meets ANSI and IEC 651 Type 2 standards, making it suitable for industrial noise surveys, fire alarm testing, speaker installations, and noise ordinance enforcement.
It offers dual range functionality (Low and High) with accurate sound measurement from 35 to 130 dB. The built-in Data Hold and Max Hold functions allow users to freeze and review readings for efficient noise assessment in various environments.
Key Features EXTECH 407732: Low/High Range Sound Level Meter
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Type 2 compliant, meets ANSI and IEC 651 standards
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Two sound ranges: Low (35–100 dB) and High (65–130 dB)
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High accuracy of ±1.5 dB
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A and C weighting filters for versatile sound measurement
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Fast/Slow response time settings for dynamic or steady noise levels
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Data Hold and Max Hold functions for capturing readings
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Backlit LCD display for clear viewing in low light environments
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Ideal for occupational noise monitoring, alarm testing, and public area noise control
Specifications
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Sound Range:
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Low: 35 to 100 dB
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High: 65 to 130 dB
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Accuracy: ±1.5 dB (Type 2)
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Weighting: A and C
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Response Time: Fast/Slow
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Microphone Type: 0.5″ (12.7 mm) condenser microphone
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Power Supply: 1 × 9V battery
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Display: Backlit LCD
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Certifications: CE
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Dimensions: 8.2 × 2.1 × 1.25 inches (210 × 55 × 32 mm)
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Weight: 8.1 oz (230 g)
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Warranty: 2 years
Summary
The Extech 407732 is a user-friendly and versatile sound level meter suitable for a wide variety of noise measurement tasks. With its dual range mode, A/C weighting, and fast/slow response options, it delivers dependable performance in occupational, industrial, and environmental noise monitoring. The lightweight, battery-powered design makes it easy to use in the field or on the go.
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