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Jewell Instruments
Jewell Instruments SMI Series Inclinometer
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Jewell SMI: ±3…±90°; ±5 V / 0–5 V / 4–20 mA; 3.5 µrad. RFQ range.
Download datasheet PDF
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Key parameters
Measuring range
±3° / ±14.5° / ±30° / ±45° / ±60° / ±90° (SMI-D/L/S family)
Accuracy
Nonlinearity 0.02–0.05% FRO (range dependent); resolution/threshold 3.5 µrad
Output
SMI-D ±5 VDC; SMI-S 0–5 VDC; SMI-L 4–20 mA; connector or pin options
Supply
Dual-ended or single-ended power per D/L/S version (see OEM datasheet)
Housing
Rugged Emerald Series metal housing; RoHS compliant
Protection
Rugged sealed Emerald Series housing (see outline drawings)
Fits industrial tilt sensing where you need a Jewell SMI Series inclinometer—ranges from ±3° through ±90° (SMI-D/L/S family) with nonlinearity about 0.02–0.05% FRO, resolution/threshold about 3.5 µrad, and outputs ±5 VDC, 0–5 VDC, or 4–20 mA.
Key advantages
- Ranges — ±3° / ±14.5° / ±30° / ±45° / ±60° / ±90°
- Accuracy — Nonlinearity 0.02–0.05% FRO (range dependent)
- Resolution — About 3.5 µrad
- Outputs — SMI-D ±5 V; SMI-S 0–5 V; SMI-L 4–20 mA
- Platform — Jewell SMI Series
Typical applications
- Machine tilt monitoring.
- Platform leveling.
- Industrial angle feedback.
Selection guide
- Range
- D vs S vs L output
- Connector vs pins
Common mistakes
- Wrong range for angle.
- Vibration without damping awareness.
- Supply polarity errors.
When to RFQ / what to tell us
- Range, output, connector.
- Quantity, ship-to.
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Specs
| Spec | Value |
|---|---|
| SKU | 41805 |
| Brand | Jewell Instruments |
| Model | SMI Series |
| Product type | Inclinometer |
| Measuring range | ±3° / ±14.5° / ±30° / ±45° / ±60° / ±90° (SMI-D/L/S family) |
| Accuracy | Nonlinearity 0.02–0.05% FRO (range dependent); resolution/threshold 3.5 µrad |
| Resolution | 3.5 µrad (with noise reduction) |
| Output signal | SMI-D ±5 VDC; SMI-S 0–5 VDC; SMI-L 4–20 mA; connector or pin options |
Documents
FAQ
Q: Ranges? A: ±3° through ±90° family.
Q: Outputs? A: ±5 V, 0–5 V, or 4–20 mA.
Q: What should I send for a quote? A: Range/output, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | ±3° / ±14.5° / ±30° / ±45° / ±60° / ±90° (SMI-D/L/S family) |
| Accuracy | Nonlinearity 0.02–0.05% FRO (range dependent); resolution/threshold 3.5 µrad |
| Output | SMI-D ±5 VDC; SMI-S 0–5 VDC; SMI-L 4–20 mA; connector or pin options |
| Supply | Dual-ended or single-ended power per D/L/S version (see OEM datasheet) |
| Housing | Rugged Emerald Series metal housing; RoHS compliant |
| Protection | Rugged sealed Emerald Series housing (see outline drawings) |
| Ambient temperature | Typical force-balance inclinometer industrial range (see SMI datasheet) |
| Approvals | RoHS compliant |
| Mounting | Horizontal or vertical mount per outline (pin or circular connector) |
| Sensor type | Single-axis force-balanced analog inclinometer (Jewell Emerald / SMI Series) |
| Resolution | 3.5 µrad (with noise reduction) |
| Bandwidth | 5 Hz (−3 dB) nominal |
| Weight | Per SMI outline drawing (compact single-axis package) |