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.

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

Help Track order

Account Cart

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

Help Track order

Account Cart

Extech 407730 Digital Sound Level Meter 40-130dB | 0.1dB resolution, 2dB accuracy, analog bargraph, max/min, max hold, auto power off, windscreen

Extech 407730 Digital Sound Level Meter 40-130dB | 0.1dB resolution, 2dB accuracy, analog bargraph, max/min, max hold, auto power off, windscreen

Product ID: 1097642

Details

Amperage
300 Milliamps
Brand
Extech
Color
White
Style
Digital Sound
Voltage
9 Volts

📊0.1dB resolution for precision

🔇Auto power off saves battery

🎚️Fast analog bar graph updates

₨91459

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

Secure transaction

Description

🎧 Hear every detail, own every moment.

MAX HOLD MASTERY - Never miss peak noise levels with Max Hold storing the loudest decibel moments.
PORTABLE POWERHOUSE - Lightweight, palm-friendly design with auto power-off for all-day monitoring without battery drain.
DUAL DISPLAY DYNAMICS - Large LCD plus lightning-fast analog bar graph captures sound trends in real-time.
PRO READY VERSATILITY - Includes windscreen, selectable A/C weighting, and tripod mount for professional-grade sound analysis.
PINPOINT SOUND ACCURACY - Measures 40-130dB with ±2dB precision and 0.1dB resolution for crystal-clear readings.

The Extech 407730 Digital Sound Level Meter delivers professional-grade sound monitoring with a 40-130dB range, ±2dB accuracy, and 0.1dB resolution. Featuring a dual digital and analog display, Max Hold, auto power-off, and a windscreen, it’s designed for precise, portable, and reliable noise measurement in any environment.

Specifications

ASIN	B000EWY67W
Amperage	300 Milliamps
Best Sellers Rank	#72,992 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #33 in Sound & Noise Meters
Brand Name	Extech
Color	White
Customer Reviews	4.5 4.5 out of 5 stars (227)
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
Manufacturer	Extech Instruments
Manufacturer Part Number	407730
Model Name	407730
Model Number	407730
Power Source	Battery Powered
Signal Format	Digital
Style	Digital Sound Level Meter
UPC	793950407301
Unit Count	1.0 Count
Voltage	9 Volts
Warranty Description	1 year parts and labor.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

₨91459

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

View all Trustpilot reviews