Why doesn’t the TS-501B show 0 dB in a quiet environment?

The TS-501B measures from 30–130 dB and does not start at 0 dB. When sound levels are below 30 dB, it displays “UL” (Under Limit). In a quiet environment, it reads between 30 and 45 dB.

What scenarios are sound level meters usually used for?

Sound level meters are often used for measuring community or environmental noise; Use for measuring noise produced by machinery in industries; Use for calibrating audio equipment at concerts or for personal reasons.

What is the difference between A Frequency Weighting and C Frequency Weighting?

The A-weighting adjusts the sound pressure level readings to reflect the sensitivity of the human ear and is used for hearing damage risk measurements. The C-Weighting is used for Peak measurements and also in some entertainment noise measurements.

What is the difference MAX/MIN Value between A-Weighting and C-Weighting?

MAX/MIN Value of A-Weighting is Lmax/Lmin (the highest and lowest values measured by the sound level meter over a given period of time.); MAX/MIN Value of C-Weighting is Lpeak (the max/min value of the absolute instantaneous sound pressure).

Decibel Levels: Typical Scenarios

30-40 dB: Library, bedroom. 50-60 dB: Restaurant, café. 70-80 dB: City roads, factory machinery. 90-100 dB: Rock concert. 110-130 dB: Jet airplanes, front row at a concert.

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Decibel Meter, TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen, Portable SPL Tester with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - Orange

Product ID: 517493017

Details

Battery Description
AAA
Brand
TOPTES
Color
Orange
Item Weight
150 Grams
Upper Temperature Rating
50 Degrees

💡2.25” backlit LCD display

📏30-130 dB range precision

🔋Auto power-off & low battery alert

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Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔊 Measure the noise, master your space — don’t let sound control you!

CAPTURE EVERY PEAK - MAX/MIN and data hold functions let you freeze and analyze critical noise moments with ease.
ERGONOMIC READY TO GO - Non-slip design with included batteries and carry case means you’re always prepared for on-the-spot sound checks.
PRECISION YOU CAN TRUST - Accurate A/C weighted measurements from 30 to 130 dB with ±1.5 dB precision for professional-grade sound analysis.
LONG LASTING POWER EFFICIENCY - Smart auto power-off and low battery indicator keep your device ready when you need it most.
CRYSTAL CLEAR READINGS ANYTIME - Large 2.25-inch backlit LCD ensures effortless noise level monitoring even in low light.

The TopTes TS-501B Decibel Meter is a portable, highly accurate SPL tester featuring a 2.25-inch backlit LCD for easy reading, A/C weighting for professional sound measurement from 30 to 130 dB, and MAX/MIN data hold functions. Designed for home, office, and industrial use, it includes a non-slip grip, auto power-off, low battery alert, and comes factory calibrated with batteries and a carry case for immediate use.

Specifications

ASIN	B0B9BC4N2X
Battery Description	AAA
Best Sellers Rank	#1,494 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Sound & Noise Meters
Brand Name	TOPTES
Color	Orange
Customer Reviews	4.5 4.5 out of 5 stars (2,404)
Included Components	1x TS-501B Decibel Meter, 3x AAA Batteries, 1x User Manual, 1x Carry Bag
Item Weight	150 Grams
Manufacturer	TOPTES
Model	TS- 501B
Part Number	TS-501B
Smart Home Compatibility	Not Smart Home Compatible
Unit Count	1.0 Count
Upper Temperature Range	50 Degrees Celsius

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