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The WitMotion BWT901CL is a compact, high-precision Bluetooth-enabled 9-axis IMU sensor combining accelerometer, gyroscope, inclinometer, and magnetometer functions. With 0.05° angle accuracy, 200Hz output rate, and a 10-meter wireless range, it’s engineered for professional-grade motion and angle measurement. Featuring Kalman filtering for stable, low-noise data and a 4-hour battery life that supports charging during use, it’s ideal for advanced Arduino projects and industrial applications requiring reliable, real-time spatial awareness.























| ASIN | B01MYRVC1H |
| Best Sellers Rank | 85,385 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 51 in Acceleration Sensors |
| Brand | WITMOTION |
| Country Of Origin | China |
| Current Rating | 40 Milliamps |
| Current rating | 40 Milliamps |
| Customer Reviews | 3.8 out of 5 stars 119 Reviews |
| Item Weight | 0.97 Grams |
| Item weight | 0.97 Grams |
| Manufacturer | WitMotion |
| Manufacturer Part Number | BWT901CL |
| Material | Polycarbonate |
| Maximum Supply Voltage | 5 Volts (DC) |
| Maximum supply voltage | 5 Volts (DC) |
| Measurement Accuracy | 0.05 Degree |
| Measuring Range | 0.2-200 Hz |
| Model Number | BWT901CL |
| Mounting Type | Surface Mount |
| Output Type | digital |
| Sensing Distance | 10 Metres |
| Specific Uses For Product | construction levels, platform leveling, industrial environments |
| Style | Modern |
| Style Name | Modern |
| UPC | 713752277490 |
| Upper Temperature Rating | 50 Degrees Celsius |
J**F
Good device good quality
Takes some time to calibrate but does the job. Support through Skype is excellent.
B**E
great accelerometer, but loads of other stuf thrown in too
not for the faint-hearted. You will need to do some reading to set it up, but a very good product at a good price point. Bought to monitor the vibrations happening in the steel-framed building my daughter lives in and surprised to see the flux measurement moving as well.
J**A
Very good product
VEry good product, amazing support. I recommend it...
S**E
works sort of. Impossible to download and you need a massive app to open. Threw it in the trash
The thing works live and looks really good but it has proved impossible to download the data in any meaningful form. All you can get it a load of gobbledygook and TXT files. The instructions are all over the place. After several mails it turns out you have to load a '.play' app which is distinctly dodgy. Then I was sent a link to a massive 305 Mb app to read back the data - they don't bother telling you any of this though. The app caused all sorts of malware alarms and ultimately nearly caused the machine to crash. I have thrown the thing in the trash and wiped the laptop.
J**R
Fraudulent, they'll send anything they have lying around
I purchased a BWT901CL which is supposed to have bluetooth and USB Type C interface, what came has TTL interface and bluetooth doesn't really work, stuck in paired mode even though it's not paired to anything. Probably faster to just get a MPU6050 and a board of choice and go from there.
I**N
Difficult to set up does not work properly
Documentation is poor and unusable. Product claims to have stable compass when tilted it does not compass North moves by 30 degrees if device is angled up at above 45 degrees generally it does not do what the spec says it does would never recommend this device to anyone.
T**N
Bluetooth doesn’t connect to any devices not showing up in the scan
Bluetooth doesn’t connect to any devices not showing up in the scan
P**E
Software is total crap
The maker has no idea how an aircraft compass should work. I see they removed it from sale after my complaint. Can't be bothered to check if it's back again.
J**X
Super centrale inertielle
Super produit! Je l utilisé pour faire des mesures d angles dynamiques. Le support est très disponible et réactif! Ils sont a l écoute de toutes demandes! Top
B**O
Qualità prezzo eccellete
Chiaramente non stiamo parlando di uno strumento professionale, mi sembra che risenta dei disturbi di eventuali fonti elettromagnetiche. Fa egregiamente il proprio lavoro, il software a corredo è perfettamente funzionante sia quello per smartphone che quello per PC, con l'esempio in C# molto facile farsi una propria applicazione in pochi minuti. al momento considero l'autonomia della batteria soddisfacente. Per il prezzo pagato il giudizio è eccellente.
B**G
works fine, great support
I'm really happy with the sensors. I bought two and with the new software I can record with both sensors at the same time. Using it to track movements of an exoskeleton. Works really fine for that. Also support is really good, which is rare nowadays. Could solve all my issues up to now. No bot support - real humans - I really appreciate that.
C**N
Acelerometro bueno.
Falta indicar que modelo es en las indicaciones de conexión Bluetooth, de milagro di con el que era...
N**E
Le produit fonctionne correctement en Bluetooth avec un téléphone.
Fonctionne parfaitement.
Trustpilot
1 month ago
2 months ago