Specifications for the Castor IMU 1640. What it is for and its key features are on its product page.
Model code: CSTR-IMU1640 · Product code: 26002
Accelerometer
| Parameter | Value | Notes |
|---|
| 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/√Hz | With filter |
| Resolution | 32 bits | |
Gyroscope
| Parameter | Value | Notes |
|---|
| 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 ppm | 1σ, at 25°C |
| Non-Linearity ⁴ | < 40 ppm | 1σ, for full scale ±480°/s |
Electrical
| Parameter | Value |
|---|
| 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 |
Communication
| Parameter | Value |
|---|
| Hardware | SPI, 4 × Digital I/Os |
| Software | Binary |
| SPI Clock Speed | 15 Mbps |
Timing
| Parameter | Value |
|---|
| Time to Transmit After Power On | 0.9 sec |
| Time to First Valid Data | 0.9 sec |
Mechanical
| Parameter | Value |
|---|
| 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 |
Environmental Qualifications
| Parameter | Value | Notes |
|---|
| Operating Temperature ⁶ | −40°C to +71°C | |
| Storage Temperature | −55°C to +85°C | |
| Mechanical Shock ³ | 1500 g / 0.5 ms half-sine | As per MIL-STD-883F, Method 2002.4, Test Condition B |
| Ingress Protection | IP65 | |
| Model | Product code | Description |
|---|
| CSTR-IMU1640 | 26002 | Miniature 6DOF IMU (OEM PCB Mounted) with SPI 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.