Your match
Castor IMU 1100
Miniature Tactical 6DOF IMU with RS422 Interface
- InterfaceRS422, External Trigger Input, Time of Validity (TOV), Auxiliary Input
- Accelerometer range±10 g
- Inclinometer range±1.7 g
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Show this modelCastor IMU
Inertial Measurement Unit
- Gyro Bias Instability0.7°/hr
- Power Consumption< 1.3W
- Update Rate2,000Hz
- Shock Survival1,500g
- Bias Instability0.6°/hr
- Power Consumption1.2W
- Update Rate2,000Hz
- Shock Survival1,500g
Miniature 6DOF IMU (OEM PCB Mounted) with SPI Interface
CSTR-IMU1640
- Gyro Bias Instability< 1°/hr
- Power Consumption< 1W
- Update Rate4,250Hz
- Shock Survival1,500g
Which Castor fits?
Two short questions on what it measures and how it connects, and the model that fits.
Compare all our IMUsWhat must it measure?
How will it connect?
Your match: Castor IMU 1100
Your match
Castor IMU 1640
Miniature 6DOF IMU (OEM PCB Mounted) with SPI Interface
- InterfaceSPI, 4 × Digital I/Os
- Accelerometer range±16 g (±40 g Overrange)
- Update rateUp to 4250 Hz
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Castor GYR 1200
Tactical Grade 3-Axis Gyro Module
- Gyro bias instability0.6 °/hr
- Angle random walk0.1 °/√hr
- InterfaceRS422, External Trigger Input, Time of Validity (TOV)
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Show this modelCastor IMU 1100
- Model
- CSTR-IMU1100
- Interface
- RS422 · Up to 2000 Hz
- Gyro Bias Instability
- 0.7°/hr (typ.)
- Compliance
- IP65 · MIL-STD-883F
The Castor series CSTR-IMU1100 is a high-end tactical class inertial measurement unit consisting of high-performance tri-axial accelerometer, tri-axial gyroscope, and tri-axial inclinometer sensors based on the latest MEMS technology, delivering control-grade inertial measurement data over an RS422 interface.
Its rugged and modular design, with output available over an RS422 interface, makes the IMU 1100 suitable for integration with control computers and other application hardware in guidance, navigation, and control systems, robotics and gimbal control, unmanned ground vehicles, and flight control systems.
How Castor IMU 1100 Processes Sensor Data
Raw accelerometer, gyroscope, and inclinometer signals are calibrated, temperature-compensated, and digitally filtered in real time before being delivered as control-grade inertial data over RS422.
In
Out
- ACCELEROMETERTriaxial MEMS · ±10 g
- GYROSCOPETriaxial MEMS · ±480°/s
- INCLINOMETERTriaxial · ±1.7 g
Digital Signal ProcessorCalibration & compensation engine
- CALIBRATED SENSOR DATARS422 · Up to 2000 Hz
- DIAGNOSTICSBuilt-In-Test (BIT)
Everything Built for Tactical-Grade Reliability
High-end Tactical Gyro Performance
Excellent 0.7 deg/hr (typically) in-run bias instability, thermal compensation, and good short-term turn-on to turn-on repeatability.
Digital Software Filtering
IMU1100 features configurable filters with programmable taps optimising the IMU for best performance.
Fully Calibrated
Factory calibrated for misalignment, offsets, and scale factor errors and temperature compensated.
High Shock Survival
IMU1100 is designed for shock survival up to 1500g making it suitable for high dynamics applications.
Communication
RS422 Interface, external trigger, diagnostics, and data ready options for integrated communication with user controller.
High Update Rate
Offers update rates of up to 2000Hz and configurable bandwidth as per customer application requirements.
Operating Voltage
Low supply voltage requirement making it possible to power up the IMU with low voltage battery systems.
Low Noise Sensors
Low noise and highly stable accelerometer and gyroscope sensors for high performance sensor data.
Operating Environment
Wide operating temperature range and temperature compensation of sensors for useful performance across operating range.
Technical Specifications
Angular Rate
| Range | ±480 °/s |
|---|---|
| Bias Instability | 0.7 °/hr (typ.) — 0.5 to 1.2 °/hrAt 25°C |
| Angle Random Walk (ARW) | 0.13 °/√hr (typ.) — 0.09 to 0.2262 Hz LPF, at 25°C |
| Bias Repeatability | ±100 °/hr |
| Bandwidth | 262 Hz, −3dB |
| Noise Density | 0.001 °/s / √Hz |
| Resolution | 24 bits |
| Scale Factor Accuracy | < 500 ppm1σ, at 25°C |
| Non-Linearity | < 40 ppm1σ, full scale ±480°/s |
Accelerometer
| Range | ±10 g |
|---|---|
| Bias Instability | 0.020 mg (typ.) — 0.016 to 0.024 mgAt 25°C |
| Velocity Random Walk (VRW) | 0.018 m/s/√hr (typ.) — 0.018 to 0.028262 Hz LPF, at 25°C |
| Bias Repeatability | ±1.5 mg |
| Bandwidth | 262 Hz, −3dB |
| Noise Density | 0.0001 m/s² / √Hz |
| Resolution | 24 bits |
Physical
| Dimensions | 38.6 (L) × 44.8 (W) × 21.5 (H) mm |
|---|---|
| Weight | 72 ± 3 gm |
| Connector (Device) | Micro-D Pin: MDA215SFSP4 |
| Connector (Mating) | Micro-D Socket: MDA215P4L150S |
| Fixation Bolts | M4 metric |
| Recommended Torque | 3 Nm |
Inclinometer
| Range | ±1.7 g |
|---|---|
| Bias Instability | 0.028 mg (typ.) — 0.021 to 0.035 mgAt 25°C |
| Velocity Random Walk (VRW) | 0.026 m/s/√hr (typ.) — 0.024 to 0.032262 Hz LPF, at 25°C |
| Bias Repeatability | ±1.2 mg |
| Noise Density | 0.0001 m/s² / √Hz |
Electrical Specifications
| Input Voltage | 4.5 to 5.5 VDC |
|---|---|
| Power Consumption | < 1.3 W |
| Update Rate | Up to 2000 Hz |
| AUX (Full Scale) | ±2.5 V |
| Diagnostics | Continuous onboard temperature, voltage & sensor health monitoring |
Environmental
| Operating Temperature | −40°C to +85°C |
|---|---|
| Storage Temperature | −55°C to +90°C |
| Mechanical Shock | 1500 g / 0.5 ms half-sineMIL-STD-883F Method 2002.4, Test Condition B |
| Ingress Protection | IP65 |
Communication Interface
| Hardware | RS422, External Trigger Input, Time of Validity (TOV), Auxiliary Input |
|---|---|
| Software | Binary |
| Baud Rate | 374,400 to 1,843,200 bit/s |
Timing
| Time to Transmit after Power ON | 0.6 sec |
|---|---|
| Time to Transmit after Reset | 1.5 sec |
| Time to First Valid Data | 0.6 sec |
Applications
Guidance, Navigation and Control
Drone Navigation and Control
Castor GYR 1200
- Model
- CSTR-GYR1200
- Interface
- RS422 · Up to 2000 Hz
- Bias Instability
- 0.6°/hr (typ.)
- Compliance
- MIL-STD-810G · MIL-STD-461F · MIL-STD-883 · JSS-55555 · IP65
CSTR-GYR1200 is a high-end tactical class gyro module built around a high-performance triaxial MEMS gyroscope. A high-speed onboard processor runs digital signal processing algorithms to deliver control-grade inertial measurement data over a standard RS422 interface, running off a single +5V supply.
The sensing elements of each axis are factory-calibrated for bias and misalignment, and compensated for temperature effects across the full −40°C to +85°C operating range. Its rugged, modular design and 1500 g shock qualification make GYR1200 well suited for integration with control computers and other application hardware in guidance, navigation, and control systems.
How Castor GYR 1200 Processes Sensor Data
Triaxial gyroscope signals are calibrated and temperature-compensated in real time by Castor's onboard digital signal processor to deliver stable, control-grade angular-rate data.
In
Out
- GYROSCOPE X-AXISTriaxial MEMS · ±480°/s
- GYROSCOPE Y-AXISTriaxial MEMS · ±480°/s
- GYROSCOPE Z-AXISTriaxial MEMS · ±480°/s
Digital Signal ProcessorCalibration & compensation engine
- CALIBRATED SENSOR DATARS422 · Up to 2000 Hz
- DIAGNOSTICSBuilt-In-Test (BIT)
Everything Built for Tactical-Grade Reliability
High-End Tactical Gyro
0.6°/hr in-run bias instability, thermal compensation, and good turn-on to turn-on repeatability.
Excellent Performance in Vibration
GYR1200 is qualified up to 1500 g mechanical shock, making it suitable for high-shock platforms.
Continuous Self-Diagnostics
Built-in capabilities that allow the device to monitor its own health and functionality, alerting users to potential issues in real time.
Low Bias Instability
The sensor's output drift (bias) remains minimal over time, leading to more stable and accurate measurements.
Miniature Package
Compact size, low weight, high performance, with calibration, compensation, and ruggedized mounting options.
External Trigger Input
Used for precise timing, deterministic operation, data integrity, and synchronization verification.
Technical Specifications
Gyro
| Bias Instability | 0.6 °/hrAt 25°C |
|---|---|
| Angle Random Walk (ARW) | 0.1 °/√hr262 Hz LPF, at 25°C |
| Range | ±480 °/s |
| Bias Range | −250 to +250 °/hr (typ. +2 °/hr) |
| Bandwidth | 262 Hz−3dB (262 Hz LPF) |
| Noise Density | 0.002 °/s/√Hz |
| Resolution | 24 bits |
| Scale Factor Accuracy | ≤ 500 ppmAt 25°C, for ±450°/s |
| Non-Linearity | 10 ppm (±250°/s) · 20 ppm (±400°/s) |
| Bias Repeatability | 3 °/hr |
| Misalignment | 1 mrad |
| Bias Error Over Temperature | 50 °/hr |
| Bias Error Over Temperature Gradient | 70 °/hr |
Physical
| Dimensions | 37.6 (L) × 43.8 (W) × 19 (H) mm (± 0.3 mm) |
|---|---|
| Weight | 60 g (± 4 g) |
| Connector | Micro-D Pin MDA215SFSP4 (Device) · Micro-D Socket MDA215P4L150S (Mating) |
| Fixation Bolts | M4 metric |
| Recommended Torque | 3 Nm |
Electrical
| Input Voltage | 4.5 to 5.5 V DC |
|---|---|
| Power Consumption | 1.2 WTolerance: ±0.5 W |
| Diagnostics | Continuous onboard temperature, voltage, and sensor health monitoring |
| Update Rate | Up to 2000 Hz |
Reset (NRST Pin)
| Logic Level — High | ≥ 2.6 V DC |
|---|---|
| Logic Level — Low | ≤ 1.6 V DC |
| Minimum Hold Time for Reset | 1 µs |
| Pull-Up Resistor | 100 kΩ |
Environmental
| Operating Temperature | −40°C to +85°C |
|---|---|
| Storage Temperature | −55°C to +90°C |
| Mechanical Shock | 1500 g / 0.5 ms half-sineMIL-STD-883F Method 2002.4, Test Condition B |
| Ingress Protection | IP65 |
Communication Interface
| Hardware | RS422, External Trigger Input, Time of Validity (TOV) |
|---|---|
| Software | Binary |
| Baud Rate | 374400 to 1843200 bits/s |
Timing
| Time to Transmit After Power ON | 0.27 sec |
|---|---|
| Time to Transmit After Reset | 0.26 sec |
| Time to First Valid Data | 0.275 sec |
RS422 Line Termination
| Input Resistance (Termination ON) | 120 ΩTolerance ±5% |
|---|---|
| Input Resistance (Termination OFF) | 300 kΩ |
Applications
Unmanned Ground Vehicle
Drone Navigation and Control
Guidance, Navigation and Control
Castor IMU 1640
- Model
- CSTR-IMU1640
- Interface
- SPI (15 Mbps) · Up to 4250 Hz
- Gyro Bias Instability
- 1°/hr (typ.)
- Compliance
- IP65 · MIL-STD-883F
The Castor series IMU1640 is a high-end tactical-class inertial measurement unit consisting of a high-performance triaxial MEMS accelerometer and triaxial gyroscope built on the latest MEMS technology. A high-speed onboard processor runs superior digital signal processing algorithms to deliver control-grade inertial measurement data over a digital SPI interface.
The sensing elements of each axis are factory-calibrated for bias and misalignment and are temperature-compensated to remain usable across the full operating range. The IMU is designed to be mounted firmly on the customer's own PCB, and its rugged, modular design makes it suitable for integration with control computers and other application hardware where size is a constraint.
How Castor IMU 1640 Processes Sensor Data
Raw accelerometer and gyroscope signals are calibrated, temperature-compensated, and digitally filtered in real time before being delivered over the SPI interface.
In
Out
- ACCELEROMETERTriaxial MEMS · ±16 g
- GYROSCOPETriaxial MEMS · ±480°/s
Digital Signal ProcessorCalibration & compensation engine
- CALIBRATED SENSOR DATASPI · Up to 4250 Hz
- DIAGNOSTICSBuilt-In-Test (BIT)
Everything Built for Tactical-Grade Reliability
High-end Tactical Gyro
Excellent 1°/hr in-run bias instability, thermal compensation, and good turn-on to turn-on repeatability.
Digital Software Filtering
IMU1640 features configurable FIR filters with programmable taps optimising the IMU for best performance.
Fully Calibrated over Temperature
Factory calibrated for temperature, misalignment, offsets, and scale factor errors.
High Update Rate over SPI
Offers update rates of up to 4250 Hz and configurable bandwidth as per customer application requirements.
High Shock Survival
IMU1640 is designed for shock survival up to 1500g, making it suitable for high dynamics applications.
Operating Voltage
Low supply voltage requirement (3 to 3.6V DC) making it possible to power up the IMU with low voltage battery systems.
Low Noise Sensors
Low noise and highly stable accelerometer and gyroscope sensors for high performance sensor data.
Operating Environment
Wide operating temperature range and temperature compensation of sensors for useful performance across operating range.
Communication
Digital SPI interface, digital inputs and outputs, diagnostics and data-ready options for integrated communication with the user controller.
Technical Specifications
Gyroscope
| Range | ±480 °/s |
|---|---|
| Bias Instability ² | 1 °/hr (Typ.)0.6–1.6 °/hr, at 25°C |
| Angle Random Walk (ARW) | 0.14 °/√hr (Typ.)0.11–0.2 °/√hr, 262 Hz LPF, at 25°C |
| Bias Repeatability ⁵ | ±250 °/hr |
| Bandwidth | 400 Hz−3dB (262 Hz LPF) |
| Resolution | 32 bits |
| Scale Factor Accuracy | < 500 ppm1σ, at 25°C |
| Non-Linearity ⁴ | < 40 ppm1σ, for full scale ±480°/s |
Accelerometer
| Range | ±16 g (±40 g Overrange) |
|---|---|
| Bias Instability ¹ | 0.019 mg (Typ.)0.015–0.020 mg, at 25°C |
| Bias Repeatability ⁵ | ±1.5 mg |
| Velocity Random Walk (VRW) | 0.017 m/s/√hr (Typ.)0.015–0.06 m/s/√hr, 262 Hz LPF, at 25°C |
| Bandwidth | 400 Hz−3dB (262 Hz LPF) |
| Noise Density | 0.0005 m/s²/√HzWith filter |
| Resolution | 32 bits |
Mechanical
| Dimensions | 47 (L) × 44 (W) × 14 (H) mm |
|---|---|
| Weight | 57 ± 3 g |
| Connector (Device) | MW-12-03-G-D-118-118 |
| Connector (Mating) | MLE-112-01-G-DV-A-P |
| Fixation Bolts | M2 metric |
| Recommended Torque | 0.35 Nm |
Electrical
| Input Voltage | 3 to 3.6 V DC |
|---|---|
| Power Consumption | < 1 W |
| Update Rate | Up to 4250 Hz |
| Diagnostics | Continuous onboard temperature, voltage & sensor health monitoring |
Environmental Qualifications
| Operating Temperature ⁶ | −40°C to +71°C |
|---|---|
| Storage Temperature | −55°C to +85°C |
| Mechanical Shock ³ | 1500 g / 0.5 ms half-sineAs per MIL-STD-883F, Method 2002.4, Test Condition B |
| Ingress Protection | IP65 |
Communication
| Hardware | SPI, 4 × Digital I/Os |
|---|---|
| Software | Binary |
| SPI Clock Speed | 15 Mbps |
Timing
| Time to Transmit After Power On | 0.9 sec |
|---|---|
| Time to First Valid Data | 0.9 sec |
Applications
Unmanned Ground Vehicle
UAV Control and Stabilization
Attitude Control and Stabilization
IMU 1100 and GYR 1200 and IMU 1640
IMU 1100, GYR 1200, IMU 1640 side by side.
| IMU 1100Accel + Gyro + Inclinometer · RS422 | GYR 1200Gyroscope-Only Module · RS422 | IMU 1640Accel + Gyro · OEM SPI | |
|---|---|---|---|
| Sensor Suite | |||
| Sensors | Accelerometer, Gyroscope, Inclinometer | Gyroscope only | Accelerometer, Gyroscope |
| Gyro Bias Instability | 0.7°/hr (typ.) | 0.6°/hr (typ.) (stronger) | 1°/hr (typ.) |
| Accelerometer Bias Instability | 0.02 mg (typ.) | — | 0.019 mg (typ.) |
| Update Rate | Up to 2000 Hz | Up to 2000 Hz | Up to 4250 Hz (stronger) |
| Communication & Interface | |||
| Interface | RS422 | RS422 | SPI (15 Mbps) |
| Data Format | Binary | Binary | Binary |
| Mounting | Standalone module | Standalone module | OEM PCB-mount (board-to-board connector) |
| Electrical & Power | |||
| Input Voltage | 4.5 to 5.5 V DC | 4.5 to 5.5 V DC | 3 to 3.6 V DC |
| Power Consumption | < 1.3 W | 1.2 W | < 1 W (stronger) |
| Mechanical & Environmental | |||
| Dimensions | 38.6 × 44.8 × 21.5 mm | 37.6 × 43.8 × 19 mm | 47 × 44 × 14 mm |
| Weight | 72 ± 3 g | 60 ± 4 g | 57 ± 3 g (stronger) |
| Mechanical Shock | 1500 g / 0.5 ms half-sine | 1500 g / 0.5 ms half-sine | 1500 g / 0.5 ms half-sine |
| Operating Temperature | −40°C to +85°C | −40°C to +85°C | −40°C to +71°C |
| Ingress Protection | IP65 | IP65 | IP65 |
Questions
Common questions about the .
What is the interface for CSTR-IMU1100?
CSTR-IMU1100 can be interfaced on RS422.
What dynamics is CSTR-IMU1100 suitable for?
CSTR-IMU1100 has a dynamic measurement range of 400 deg./s and up to 40g
What sensors are integrated in the IMU?
It combines tri-axial accelerometers, gyroscopes, and magnetometers.
What is the gyro bias instability of Castor IMU 1100?
It offers typical bias instability of approximately 1°/hr.
Questions
Common questions about the .
What applications is the Castor GYR1200 suitable for?
The GYR1200 is designed for applications such as drone navigation and control, robotics, unmanned ground vehicles (UGVs), aerospace guidance systems, and defence-grade motion control systems.
What communication interface does the Castor GYR1200 support?
The unit communicates through an RS422 interface, allowing reliable high-speed communication with control computers, autopilots, and embedded systems.
What is the bias instability of the Castor GYR1200?
The Castor GYR1200 offers a typical in-run bias instability of 0.6°/hr, delivering stable and accurate angular rate measurements for tactical navigation applications.
Questions
Common questions about the .
What applications is the CSTR-IMU1640 suitable for?
The CSTR-IMU1640 is suitable for UAV flight control, robotics, unmanned ground vehicles, motion stabilisation systems, aerospace guidance, and high-dynamics defence applications.
What communication interface does the CSTR-IMU1640 support?
The CSTR-IMU1640 communicates over a high-speed SPI interface, enabling seamless integration with embedded controllers, autopilots, and onboard processing systems
Can the CSTR-IMU1640 be mounted directly on a PCB?
Yes, the CSTR-IMU1640 is designed as an OEM PCB-mounted IMU and can be integrated directly onto the customer’s control board using a board-to-board connector.
Other products
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Offices
India
Head office and design centre, Pune
Plot No. 7, Lane No. 5, Laxman Nagar, Balewadi
Pune, Maharashtra 411045, India
Factory, Pune
Vivan Kohli Industrial Park, Shed No. 5, Gat No. 446
Old Pune-Mumbai Highway, Naigaon, Kanhe Phata, Talegaon
Pune, Maharashtra 412106, India
Sales and support, Bengaluru
First Floor, Building No. 11, Sai Anugraha
Jeevan Bhima Nagar Main Road
Bengaluru, Karnataka 560075, India
Sales and support, Vijayawada
Door No. 52-1/4-8D, Plot No. 9, 5th Cross Road
Veterinary Colony
Vijayawada, Andhra Pradesh 520008, India
International
Aeron Systems Pvt. Ltd., Sharjah
Saif Executive Office # P8-17-02
Sharjah Airport International Free Zone Authority
PO Box 8000, Sharjah, U.A.E.