I want to measure infrasound--- from 1 to 20 hz. Will it do it? also does it have an output to a computer?

It can not connect with computer and it is the sound meter to measure the db of the sound not the frequency. If there is anything else we can do for you in the future, you can just contact us and we are glad to serve you, and our mail address is amazon@protech-instruments.com

Does this device have an auto power off feature? I am looking for an item that does not automatically turn off after only 10-15 minutes.

Yes, this item have the auto power off function

What is the highest dB this device can read ?

Thank you for your question. Our PT6708 decibel meter has a measuring scope from 30 to 130 dB and an automatic shifting function.

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

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Protmex PT6708 Sound Level Meter - Digital Decibel Reader Measurement

Product ID: 31673214

Details

Brand
Protmex
Item Weight
190 g
Item dimensions L x W x H
7.24 x 2.36 x
Material
Plastic

📊±1.5 dB accuracy, 0.1 dB resolution

🔇30-130 dB range coverage

⏱️0.5s ultra-fast response

E£ 8621

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔊 Measure Like a Pro, Hear the Difference!

TRUSTED SUPPORTED - IEC651 Type 2 certified with 24/7 Protmex support—because your peace of mind matters.
TAILORED NOISE TRACKING - Switch between fast (0.125s) and slow (1s) response modes to capture every sound nuance.
BUILT FOR REAL WORLD USE - Anti-slip, drop-resistant design with energy-saving backlight for day or night monitoring.
HUMAN EAR MODE MACHINE MODE - A/C weighting lets you measure ambient noise or industrial sound pressure with expert accuracy.
PRECISION AT THE SPEED OF SOUND - Responds in just 0.5 seconds for instant, reliable readings.

The Protmex PT6708 is a professional-grade digital sound level meter featuring a high-quality AD636 chip for rapid 0.5-second response and ±1.5 dB accuracy across a 30-130 dB range. It offers versatile fast/slow measurement modes and A/C weighting to simulate human hearing or capture precise machine noise. Designed with durability and energy efficiency in mind, it includes an anti-slip body and auto-off backlight. Certified to IEC651 Type 2 standards and backed by 24/7 support, it’s ideal for environmental noise monitoring, industrial sound analysis, and quality control.

Specifications

ASIN	B01F74C722
Best Sellers Rank	#104,183 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #46 in Sound & Noise Meters
Brand Name	Protmex
Customer Reviews	4.4 4.4 out of 5 stars (397)
Item Dimensions	7.24 x 2.36 x 1.14 inches
Item Highlight	Range 30-130 dB, Accuracy 1.5dB Noise Meter with Large LCD Screen Display, Fast and Slow Selection (Batteries Included)
Item Weight	190 g
Manufacturer	PROTMEX
Material Type	Plastic
Model	PT6708 Sound Level Meter
Number of Items	1
Part Number	PPM-SM001
UPC	762640504941

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