Additional Information
| Dimensions | 3.10 × 1.55 × 1.52 in |
|---|---|
| Features | • Extremely Rugged |
| Applications | • Aerospace |
The Jewell SMI Single-Axis Analog Inclinometer series are rugged, high-precision force-balanced inclinometers. These RoHS-compliant inclinometers are available in three different versions (D, L, & S series), with either a circular connector or a pin connection, and varying input and output specifications in order to meet your specific needs.
Performance Specifications
SMI-D: ±5V Output
Performance Specifications
Static/Dynamic
| Input Range (°) | ±3.0 | ±14.5 | ±30.0 | ±45.0 | ±60.0 | ±90.0 |
| Full Range Output (VDC, FRO ±5%)1 | ±5 | ±5 | ±5 | ±5 | ±5 | ±5 |
| Non-linearity (%FRO max)2 | 0.05 | 0.02 | 0.02 | 0.02 | 0.04 | 0.05 |
| Scale Factor (Volts/g, nominal) | 95.5 | 20.0 | 10.0 | 7.1 | 5.8 | 5.0 |
| Scale Factor Temperature Sensitivity (PPM/°C maximum) | 100 | 100 | 100 | 100 | 100 | 100 |
| Bandwidth (-3dB, Hz, nominal) | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
| Output Axis Misalignment (° maximum) | 0.25 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| Pendulous Axis Misalignment (° maximum) | 0.25 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| 0° Output (Volts Range) | ±0.05 | ±0.05 | ±0.05 | ±0.05 | ±0.05 | ±0.05 |
| 0° Output Temperature Sensitivity (Volts/°C maximum) | 0.0070 | 0.0017 | 0.0010 | 0.0008 | 0.0007 | 0.0007 |
| Resolution & Threshold (µ)3 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
Electrical
| Number of Axes | 1 |
| Input Voltage Range (VDC) | ±12 to ±18 |
| Noise (Vrms, maximum) | 0.002 |
| Input Current (mA, maximum) | 40 |
| Output Impedance (Ohms, nominal) | 40 |
Environmental & Enclosure
| Operating Temperature Range | -55°C to +85°C |
| Storage Temperature Range | -60°C to +90°C |
| Shock | 500g, 1 msec, ½ sine |
| Seal | IP65 |
Custom Capabilities
- 15 to 30V single-ended input option available
- Pigtail & Connector alternative options available
- Custom ranges & bandwidths available
Notes:
1: Full Range is defined "from negative full input angle to positive full input angle."
2: Nonlinearity is specified as deviation of output referenced to theoretical sine function value, independent of misalignment.
3: Full Resolution is achieved with noise reduction techniques
SMI-L: 4-20mA Output
Performance Specifications
Static/Dynamic
| Input Range (°) | ±3.0 | ±14.5 | ±30.0 | ±45.0 | ±60.0 | ±90.0 |
| Full Range Output (mA ±1%)1 | 4-20 | 4-20 | 4-20 | 4-20 | 4-20 | 4-20 |
| Non-linearity (%FRO max)2 | 0.05 | 0.02 | 0.02 | 0.02 | 0.04 | 0.05 |
| Scale Factor (mA/g, nominal) | 152.9 | 32.0 | 16.0 | 11.3 | 9.2 | 8.0 |
| Scale Factor Temperature Sensitivity (PPM/°C maximum) | 100 | 100 | 100 | 100 | 100 | 100 |
| Bandwidth (-3dB, Hz, nominal) | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
| Output Axis Misalignment (° maximum) | 0.25 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| Pendulous Axis Misalignment (° maximum) | 0.25 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| 0° Output (mA) | 11.7 to 12.3 | 11.7 to 12.3 | 11.7 to 12.3 | 11.7 to 12.3 | 11.7 to 12.3 | 11.7 to 12.3 |
| 0° Output Temperature Sensitivity (Volts/°C maximum) | 0.01 | 0.003 | 0.002 | 0.0015 | 0.0015 | 0.0015 |
| Resolution & Threshold (µ)3 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
Electrical
| Number of Axes | 1 |
| Input Voltage Range (VDC) | ±15 to ±30 |
| Noise (Vrms, maximum) | 0.002 |
| Input Current (mA, maximum) | 40 |
| Output Impedance (Ohms, nominal) | 10 |
Environmental & Enclosure
| Operating Temperature Range | -55°C to +85°C |
| Storage Temperature Range | -60°C to +90°C |
| Shock | 500g, 1 msec, ½ sine |
| Seal | IP65 |
Custom Capabilities
- Pigtail & Connector alternative options available
- Custom ranges & bandwidths available
Notes:
1: Full Range is defined "from negative full input angle to positive full input angle."
2: Nonlinearity is specified as deviation of output referenced to theoretical sine function value, independent of misalignment.
3: Full Resolution is achieved with noise reduction techniques
SMI-S: 0-5V Output
Performance Specifications
Static/Dynamic
| Input Range (°) | ±3.0 | ±14.5 | ±30.0 | ±45.0 | ±60.0 | ±90.0 |
| Full Range Output (VDC ±0.5%)1 | 0-5 | 0-5 | 0-5 | 0-5 | 0-5 | 0-5 |
| Non-linearity (%FRO max)2 | 0.05 | 0.02 | 0.02 | 0.02 | 0.04 | 0.05 |
| Scale Factor (Volts/g, nominal) | 47.8 | 10.0 | 5.0 | 3.5 | 2.9 | 2.5 |
| Scale Factor Temperature Sensitivity (PPM/°C maximum) | 100 | 100 | 100 | 100 | 100 | 100 |
| Bandwidth (-3dB, Hz, nominal) | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
| Output Axis Misalignment (° maximum) | 0.25 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| Pendulous Axis Misalignment (° maximum) | 0.25 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| 0° Output (mA) | +2.45 to +2.55 | +2.45 to +2.55 | +2.45 to +2.55 | +2.45 to +2.55 | +2.45 to +2.55 | +2.45 to +2.55 |
| 0° Output Temperature Sensitivity (Volts/°C maximum) | 0.0036 | 0.0010 | 0.0007 | 0.0005 | 0.0005 | 0.0005 |
| Resolution & Threshold (µ)3 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
Electrical
| Number of Axes | 1 |
| Input Voltage Range (VDC) | ±15 to ±30 |
| Noise (Vrms, maximum) | 0.002 |
| Input Current (mA, maximum) | 40 |
| Output Impedance (Ohms, nominal) | 10 |
Environmental & Enclosure
| Operating Temperature Range | -55°C to +85°C |
| Storage Temperature Range | -60°C to +90°C |
| Shock | 500g, 1 msec, ½ sine |
| Seal | IP65 |
Custom Capabilities
- ±15V bipolar input option available
- Pigtail & Connector alternative options available
- Custom ranges & bandwidths available
Notes:
1: Full Range is defined "from negative full input angle to positive full input angle."
2: Nonlinearity is specified as deviation of output referenced to theoretical sine function value, independent of misalignment.
3: Full Resolution is achieved with noise reduction techniques
