Specifications for the Castor IMU 1100. What it is for and its key features are on its product page.
Model code: CSTR-IMU1100 · Product code: 26008
Accelerometer
| Parameter | Value | Notes |
|---|
| Range | ±10 g | |
| Bias Instability | 0.020 mg (typ.) — 0.016 to 0.024 mg | At 25°C |
| Velocity Random Walk (VRW) | 0.018 m/s/√hr (typ.) — 0.018 to 0.028 | 262 Hz LPF, at 25°C |
| Bias Repeatability | ±1.5 mg | |
| Bandwidth | 262 Hz, −3dB | |
| Noise Density | 0.0001 m/s² / √Hz | |
| Resolution | 24 bits | |
Angular Rate
| Parameter | Value | Notes |
|---|
| Range | ±480 °/s | |
| Bias Instability | 0.7 °/hr (typ.) — 0.5 to 1.2 °/hr | At 25°C |
| Angle Random Walk (ARW) | 0.13 °/√hr (typ.) — 0.09 to 0.2 | 262 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 ppm | 1σ, at 25°C |
| Non-Linearity | < 40 ppm | 1σ, full scale ±480°/s |
Inclinometer
| Parameter | Value | Notes |
|---|
| Range | ±1.7 g | |
| Bias Instability | 0.028 mg (typ.) — 0.021 to 0.035 mg | At 25°C |
| Velocity Random Walk (VRW) | 0.026 m/s/√hr (typ.) — 0.024 to 0.032 | 262 Hz LPF, at 25°C |
| Bias Repeatability | ±1.2 mg | |
| Noise Density | 0.0001 m/s² / √Hz | |
Electrical Specifications
| Parameter | Value |
|---|
| 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 |
Communication Interface
| Parameter | Value |
|---|
| Hardware | RS422, External Trigger Input, Time of Validity (TOV), Auxiliary Input |
| Software | Binary |
| Baud Rate | 374,400 to 1,843,200 bit/s |
Timing
| Parameter | Value |
|---|
| 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 |
Physical
| Parameter | Value |
|---|
| 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 |
Environmental
| Parameter | Value | Notes |
|---|
| Operating Temperature | −40°C to +85°C | |
| Storage Temperature | −55°C to +90°C | |
| Mechanical Shock | 1500 g / 0.5 ms half-sine | MIL-STD-883F Method 2002.4, Test Condition B |
| Ingress Protection | IP65 | |
| Model | Product code | Description |
|---|
| CSTR-IMU1100 | 26008 | Miniature Tactical 6DOF IMU with RS422 Interface |
The PDF datasheet and a quote form are on the Castor IMU product page at aeronsystems.com. For pricing or ordering, email sales@aeronsystems.com. For help with an installed unit, email support@aeronsystems.com.