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.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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407730 Digital Sound Level Meter, 40 to 130dB, A/C Weighting

Product ID: 1097642

Details

Amperage
300 milliamps
Brand
Extech
Color
White
Style
Digital Sound
Voltage
9 volts

📊0.1dB resolution

🔇Auto power off

🎚️Fast analog bar graph

NZ$366

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Hear every detail, measure every moment.

COMPACT READY TO GO - Lightweight, palm-sized design with included windscreen and tripod mount for on-the-move accuracy.
DUAL DISPLAY DYNAMICS - Large LCD with numeric and ultra-responsive analog bar graph updates every 40ms for real-time insights.
SMART POWER MANAGEMENT - Auto power-off and max hold functions extend battery life and capture peak noise effortlessly.
PRECISION YOU CAN TRUST - Measures sound from 40 to 130dB with ±2dB accuracy for professional-grade monitoring.
VERSATILE WEIGHTING OPTIONS - Selectable A/C weighting adapts to diverse sound measurement standards and environments.

The Extech 407730 Digital Sound Level Meter is a compact, battery-powered device designed for precise sound monitoring 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, max/min recording, and smart power-saving functions. Ideal for professionals needing reliable noise measurement in industrial, audio, or safety settings.

Specifications

ASIN	B000EWY67W
Amperage	300 milliamps
Audio Output Effects	gitarreneffekte
Best Sellers Rank	#49,440 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #19 in Sound & Noise Meters
Brand	Extech
Brand Name	Extech
Color	White
Controls Type	Touch
Customer Reviews	4.5 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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