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The TS-501B sound level meter, with weighting, ranges from 30 to 130 dB. In a quiet environment, it reads between 30 and 45 dB.
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Precision Microphone
The microphone of decibel meter converts the sound signal to an equivalent electrical signal.
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Protective Film
With a screen protector to avoid scratches on the screen of the decibel meter during transportation.
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Anti-slip Design
The durable plastic anti-slip strips on both sides of the noise meter TS-501B, increase friction.
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Easy to Carry
The velvet cloth pouch with bungee cord is easy to store and protect SLP meter TS-501B.
Low Battery Indication
The SPL meter TS-501B has a low battery reminder function to know when the battery needs to be replaced.
Data Hold Function
The TS-501B sound level meter has a data hold function that can freeze readings.
Max/Min Measurement
The TS-501B decibel meter can record the maximum and minimum values of sound over a period of time.
Fast/Slow Time Weighted
Fast weighting(125 ms) is approximate to the ears’ time response.
Slow weighting(1 s) is used to indicate the average level of fluctuating noise.
Scott Heffner
2025-08-08 19:20:42
I tested the accuracy of this sound meter on my HP Envy x360 laptop fan and a Handheld Mini Fan. The spec on the Handheld Mini Fan says noise level 60 db but doesn’t say distance from fan to get this reading. I measured 60 dba with fan on high speed with sound meter 2.5 inches from fan. Did a google search to see what is the max noise level on the HP Envy x360 fan and it said the maximum fan noise on an HP Envy x360 can reach around 50-55 decibels (dB) when under heavy load or in performance mode. I measured 55.7 dba with fan on max speed. I was not able to get 30 dba in a silent room like some reviews on Amazon said. When turned on it read 33 dba then would slowly rise to 38 dba and stay their. Tried it in several silent rooms in house with same result. I contacted TopTes tech support and asked why.They replied back saying: Standard room environments with real-world conditions, even in seemingly "silent" conditions, often contain residual noise sources, such as air movement, electrical hum, and vibrations. Certain electronic devices, including power supplies or household appliances, can generate low-frequency sounds that may be picked up by the meter.Why the Reading Starts at 33 dBA and Rises to 38 dBA: Upon powering on, the sensor stabilizes, which can lead to slight variations in initial readings.As the environment subtly changes (e.g., temperature, air currents), the meter may detect minor fluctuations.In most homes, background noise levels rarely drop below 30 dBA due to factors like distant traffic, HVAC systems, or even the natural sound of air moving.Accuracy & Expected Performance in Quiet Rooms:While some customer reviews mention readings above 30 dBA in quiet spaces, this aligns with real-world conditions where absolute silence is rarely achieved outside a specialized anechoic chamber. A reading of 33-38 dBA in a quiet room is within the expected range for this type of device. Our sound level meters are tested and rigorously calibrated before leaving the factory, including anechoic (soundproof) room. Just realize you will not get 30 dba in a silent room like they explained. Their are very low noises you can’t hear that the meter will pickup. The meter needs to be in a soundproof room like they use when testing to get their spec of 30 dba, Their tech support is excellent replying to 2 emails I sent within 1 to 3 days. They gave a detailed reply both times answering all my questions. The temperature reading is within 1 degree and the % humidity reads about 5 % higher compared with my accurate ThermoPro TP55 Digital Indoor Hygrometer Thermometer. I highly recommend this sound meter.
Sam G
2025-07-11 18:58:51
Really nice decibel meter, I recently bought Honda's smallest industrial generator. As hurricane Milton put a lot of strain on my decade old smaller inverter generator, that never missed a beat. This particular Honda generator I bought to replace it, is a tank, but it's a fair bit noisier than Hondas notoriously quiet consumer generators. So I picked up a generator exhaust extension kit. This kit stated, (not claimed, 'up to') but verbatim stated it "reduces generator operating noise by 60%". Installed it on the generator and I noticed little, if any noise reduction. (To be fair, it did a great job of rerouting my exhaust, but I got it to primarily reduce noise) Being a retired aviation engineer, I shook my head at the manufacturers claims & needed to know exactly how much this reduced the sound levels, as it seemed exactly as loud as it was before. Using this well made and simple to use decibel meter, It confirmed the exhaust kit did little to reduce the noise level. (maybe the manufacturer's testing methodology was to take decibel readings 100 feet from the generator, but they mistated the product by a LOT) -This Sound Meters manual is easy to follow, and the meter itself is excellent. Reading the manual is important as it gives excellent advice on how to accurately compare apples to apples with testing methodology. This decibel meter came with three Duracell AA batteries which was appreciated. It also was calibrated properly and they explain what to do if you need it recalibrated down the road if needed)Very happy with this product.
Sherry Brinkmann
2025-07-05 19:48:59
Add plastic legs to tilt meter backwards. Cannot see meter db level when standing and meter is on a table. I use the meter to check sound level when playing musical instruments. Other than that, it works fine. Good meter.
Brian B
2025-06-11 17:59:10
high quality decibel meter that is very accurate compared to more expensive products ...easy to use and set up required settings. Comes with Easy to understand User Manual, Duracell batteries and nice carrying pouch
Graf von Foto
2025-05-25 18:58:42
This is a very well thought-out and executed sound level meter. It offers function and usefulness way beyond what I would have expected for the price. The use is straight-forward. It offers both slow and fast sampling; both A and C sound level weighting; a capture and hold of a moment of meaurement; and a Max and Min function that updates as the levels change in time. It also fits a little stand that I use to hold an iPhone. Note: The frequency response stated in the specs to be 30 Hz to 8 kHz relates to the 3 dB down points of the Type C weighting. That is a requirement of the C weighting, not a defect of the instrument.Could not ask for more!
Customer
2025-04-11 13:36:11
Does what it should a pretty good price point
JR
2025-03-14 18:39:00
Lo he comprado para medir los niveles de sonido de mi sistema de sonido.Creo que por el precio que tiene el sonómetro cumple con mis expectativas al 100%.Un saludo.
patrice anselmino
2025-03-04 13:25:20
Vérification des bruits de sortie d’un récupérateur de chaleur à l’intérieur de la maison pour pouvoir en diminuer le volume
Alex
2025-02-26 20:13:40
Seem accurate compared to other meters and is a very resonable price.
Duccio Niccolini
2024-12-29 10:29:08
Ottimo fonometro per misure non professionali, il manuale è ben fornito ed anche in italiano, le pile incluse sono Duracell, nella scatola c'è anche una bella custodia a sacchetto. Raccomandato
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