What is frequency range for this device?

The SL510 has a frequency range from 31.5Hz to 8KHz.

does make 20hz to 20khz readings?

Thank you so much for your interest in our products. The 407032 model has a measurement bandwidth between 31.5Hz to 8KHz. Please check all the specifications of this meter here: http://www.extech.com/products/resources/407732_UM-en.pdf

Hello Checker,The 407760 comes with software, tripod, USB extension cable, windscreen, and 3.6-Volt Lithium battery.Best Regards

The model presented says 'Extech 407730' but in the description and image apears Extech 407732, which you are sending?

I am not sure where 407730 is appearing besides the comparison table between the different models. For simplicity, this page is for the Extech 407732. You would get the item in the pictures.

Extech 407730 Digital Sound Level Meter 40 To 130db C

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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COP 764855

Duties & taxes included

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔊 Own the soundscape — measure noise like a pro, anytime, anywhere!

SMART POWER MANAGEMENT - Auto power-off and Max Hold function extend battery life while capturing peak noise levels effortlessly.
COMPACT PORTABLE DESIGN - Lightweight (under 6 oz) and palm-sized for on-the-go sound monitoring with included windscreen and tripod mount.
PRECISION SOUND MONITORING - Accurately measures 40 to 130dB with ±2dB accuracy and 0.1dB resolution for professional-grade noise assessment.
CUSTOMIZABLE WEIGHTING MODES - Selectable A or C weighting to tailor measurements for workplace safety or audio system calibration.
DUAL DISPLAY FOR INSTANT INSIGHT - Large LCD with numeric and fast-responding analog bar graph updates every 40ms to capture real-time sound fluctuations.

The Extech 407730 Digital Sound Level Meter is a compact, battery-powered device designed for precise noise measurement from 40 to 130 decibels. Featuring a high-resolution 0.1dB digital display alongside a fast analog bar graph, it offers selectable A/C weighting modes and records max/min values. Lightweight and portable, it includes a microphone windscreen, tripod mount capability, and smart power-saving functions, making it ideal for professionals monitoring workplace noise, audio systems, or product certification.

Specifications

ASIN	B000EWY67W
Amperage	300 milliamps
Audio Output Effects	gitarreneffekte
Best Sellers Rank	#80,664 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #34 in Sound & Noise Meters
Brand	Extech
Brand Name	Extech
Color	White
Controls Type	Touch
Customer Reviews	4.4 out of 5 stars 228 Reviews
Global Trade Identification Number	00793950407301
Hardware Interface	3.5mm Audio
Included Components	Microphone wind screen, four AAA batteries
Item Dimensions	9 x 1.7 x 2.2 inches
Item Highlight	0.1dB resolution, 2dB accuracy, analog bargraph, max/min, max hold, auto power off, windscreen
Manufacturer	Extech Instruments
Manufacturer Part Number	407730
Model Name	407730
Model Number	407730
Number of Items	1
Power Source	Battery Powered
Signal Format	Digital
Style	Digital Sound Level Meter
UPC	793950407301
Unit Count	1 Count
Voltage	9 volts
Warranty Description	1 year parts and labor.

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