How to turn off automatic shut down as holding h button before turning on seems doesn't work

Thank you for your interest in TS-501B. To cancel the auto shutdown feature, please follow the steps below: 1. Press and hold the "H" key before turning on the device. 2. Simultaneously, press and hold the power button. Please note that both buttons should be pressed simultaneously. 3. Release both buttons. Following these steps should result in the disappearance of the auto shutdown symbol on your screen, indicating that the auto shutdown feature has been successfully disabled. We hope this information is helpful in resolving the issue.

Does it store readings?

Hi, thank you for your interest in our product. I'm sorry, the TS-501B decibel meter does not have the functionality to maintain a historical record of sound levels.

Does it measure in hz looking for something to measure sound frequency’s but In hertz

Hi, thank you for your attention! TS-501B does not have the function of measuring sound frequency, it measures the sound level, and the measurement result is in decibels.

Does this need to be calibrated? If so does anyone know how? Or do we trust it out the box?

Hello, thank you for your interest in the TS-501B. This product has been calibrated before leaving the factory and is ready to use right out of the box. Additionally, we do not recommend individuals to perform any self-calibration.

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🔊 Measure your world, master your space!

MAX MIN TRACKING - Instantly capture peak and lowest noise levels to monitor dynamic sound environments
PORTABLE READY - Compact, lightweight orange ABS body with carry case—noise control on the go
POWER SMART DESIGN - Includes 3 AAA batteries with auto power-off and low battery alert for uninterrupted use
CRYSTAL CLEAR DISPLAY - Large 2.25-inch backlit LCD ensures easy reading anytime, even in low light
PRECISION SOUND CAPTURE - Advanced condenser mic with A/C weighting for accurate 30-130 dB readings ±1.5 dB

The TopTes TS-501B Decibel Meter is a professional-grade sound level meter featuring precise A and C weighting measurements from 30 to 130 dB with ±1.5 dB accuracy. Its 2.25-inch backlit LCD display offers clear readings in any lighting, while Max/Min functions track noise extremes. Battery-powered with smart auto-off and low battery alerts, it’s designed for portability and ease of use in diverse environments like offices, workshops, and home theaters.

$85

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Manufacturer	TOPTES
Part Number	TS-501B
Package Dimensions	18.11 x 8.89 x 5.89 cm; 272 g
Batteries	3 AAA batteries required. (included)
Item model number	TS- 501B
Colour	Orange
Material	ABS
Power Source	battery_powered
Item Package Quantity	1
Measurement Accuracy	‎+/- 1.5 dB
Display style	LCD
Certification	CE, RoHs
Included Components	1x TS-501B Decibel Meter , 1x User Manual, 1x Drawstring Pouch, 3x AAA Batteries
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Item Weight	272 g

Decibel Meter, TopTes TS-501B Sound Level Meter with A/C Weighting, Measuring Range 30 to 130 dB, SPL Tester for Noise Control, 2.25-inch Backlit LCD Display, MAX/MIN, Data Hold - Orange

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