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- Tilt Sensors
Product Description

Highlights
SINDT’s scientific name is AHRS IMU sensor. A sensor measures 3-axis angle, angular velocity, acceleration. SINDT is employed where the industrial-level measurement accuracy is required. Its strength lies in the algorithm which can calculate three-axis angle accurately.
- Ground breaking bias stability, low noise level and good vibration robustness
- Persued for best data accuracy and stability: WTMOTION patented zero-bias automatic detection calibration algorithm and R&D dynamic fusion algorithm outperforms traditional accelerometer sensor
Technical Specifications:
- Current: <40mA
- Voltage: 5-36V (requiring a power source of 5-36V)
- Data output frequency:0.2-200Hz
- Baud Rate: 4800-230400 (adjustable)
- Working Temperature: -40℃ ~ +85℃
- Output Content: 3-axis Acceleration+Angle+Angular Velocity+Quaternion
- Range: Acceleration (±16g), Gyroscope (±2000°/s), Angle (X, Z-axis: ±180°, Y ±90°)
- Resolution: Acceleration (0.005g), Gyroscope (0.61°/s)
- Angle Accuracy(after calibrated): X, Y-axis: 0.05° (Static) , X, Y-axis: 0.1° (Dynamic)
Note: There will be acculated error on Z-axis angle by time when moving. It is required to calibrate.
If you need a stable and accurate Z-axis tilt angle sensor, please search military-grade HWT901B (ASIN: B071WF1DP9 ), HWT905 (B07G21XRV6 ), Z-axis angle sensing module HWT101 (ASIN: B07VD5Z5WH),
Highly-integrated MEMS Sensor
Embedded Highly-integrated MEMS Sensor
- High sensitivity
- Low noise level and linearity
- Stable & accurate 3-axis gyroscope and acceleration data output
32-bit MCU Processor
Built-in low-power Cortex-M0 core processor
- high-performance reaching 168MHZ
- faster in data processing
WITMOTION Algorithm Advantages
WITMOTION products are derived from the aerospace Satellite Attitude Determination Algorithm.
Built-in core algorithm:
- R&D Dynamic Fusion Algorithm
- Kalman filtering (program filter)
- Digital filtering
- State estimation algorithm
Time and energy saving: No need to study the complicated protocol of MPU6050/ 9250 to analyze the attitude angle.
Premium Casing and Cable
- Casing Size: 55*36.8*24mm / 2.165*1.14*0.95"
- Robust aluminum housing
- Dust-resistant
- IP67 Waterproof
- Premium cable (1 meter)
Certification
- SINDT is CE certified, meets EU standards for health, safety, and environmental protection
- WitMotion Shenzhen Co.,Ltd is in conformity with Quality Management System Standard: GB/T19001-2016 idt ISO9001:2015.
Tutorial
- Manual & Datasheet
- Free software for Windows PC (Minimu.exe)
- Instruction video (search WITMOTION on Youtube)
- CH340 & CP2102 serial Drivers
- Sample code including 51 serial, C+, STM32, Arduino, and Matlab
Packing List
- 1 x SINDT-232 inclinometer
- 1 x 3-in-1 UART converter
- 1x Instruction card printed with QR code of document center
Our Promise:
- 30 days return refund policy for any quality issue
- Quality secured, 100% inspected & tested at factory before shipping
- Remote diagnostics and lifetime technical support by Witmotion engineering team

Free & Genuinely Useful Software
Compared with traditional sensor's simplied serial software, WITMOTION software offers several advantages over competing sensor:
- configurations setting
- dashboard, 3D DEMO, data curve & chart display in real-time
- data record and playback, raw data reviewing, and more
Notice: There is no software for the Linux, Python, or Mac system at present. Witmotion software is provided as free, compatible with the Windows system only, including Win 10, 8, 7, XP.

3D DEMO
More intuitive to view the sensor's motion state. There are 4 types of simulation, car, head, plane, cube. The source code of 3D can be provided if customers have needs.
Use Instructions with Windows PC:
- Download the complete tutorial and unzip the file, follow the instructions of the manual or video demo (There will be an instruction card printed with two QR codes indicating the document download link, one is Google Drive, another is Github. )
- Wiring Connection: USB-RS232 serial converter cable (included in the package) PIN instruction: VCC-5-36V, GND-GND, RS232 RX crossly connecting with RS232 TX.
- Install the driver of CH340, open the software (Minimu.exe) , connection succeeds after auto-search finishes

Rock-solid data measurement in real-time
The motion changing of the sensor will show on the data curve in real-time.
Much easier and convenient for data collection and application.
- The data can be recorded by simply click the "record" button.
- Able to record and export the data to TXT format, offering you a clear data-changing track.
- For data analysis please refer to the Chapter Data Format of the datasheet. There will be a complete communication protocol provided on the datasheet.

Config Menu
Compared with traditional acceleration sensors, by simply changing its setting on software, various kinds of the configuration of the WitMotion sensor can be easily done. Configuring the device enables the customer to address a broad variety of use cases by applying the sensor data filtered by WITMOTION algorithms.
- Acceleration calibration, reset Z-axis angle to 0 degree
- Output rate, bandwidth setting( sensitivity adjustable ), measurement range selectable
- Algorithm swift freely: easily change to 6-axis algorithm if there is strong magnetic field interference
- Placement Direction, and more

PC software for Windows

3D Display

Data Curve Display

Configuration

About WITMOTION
Established in 2014, WitMotion Shenzhen Co.,Ltd aims to become a global leader in attitude sensor, AHRS IMU. Foud out more here in our Witmotion Brand Store on Amazon.
The company is dedicated to make attitude measurement and tilt angle sensing solutions more accessible and easier for engineers around the world. Widely used every day by customers in over 50 countries for energy and electric power, tower control, Monitoring, engineering machinery, medical, academic, integrated system, more developing projects.
WITMOTION' s R&D Dept.
- 20+professional engineer industry's top R&D team, and has a long-term collaboration with the Beihang University PhD team.
- WitMotion R&D protocol and Dynamic Fusion Algorithm
- over 50+ patents and software program
Research and Development Facilities:
- World's top-level of triaxial nonmagnetic turntable: All finished items will be calibrated through the turntable, ensuring the X Y Z angle's accuracy.
- High& low temperature test chamber, making sure that the sensor can actually work well under -40℃ ~ +85℃ environment
- Vector Network Analyzers(VNA): Bluetooth antenna impedance matching
- 6 degrees of freedom vibration test bench: sensor's high performance and stability secured under vibration and dynamic environment
Premium Components & QC System: All components are selected and certified under a strict quality control system from the procurement, manufacturing process to assembly, inspection.
Automatic Production&Assemble line of Factory:
- Automatic Solder Paste Printing, Imported Placement Machine, Multi-temperature Reflow Soldering, Fully Automatic Inspection
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