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Jewell Instruments
Jewell Model A820 Shallow Water Analog Tiltmeter
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Jewell A820: ±0.5°/±3°/±50°; ±5 VDC out; 200 m submersible; 316 SS. RFQ.
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Key parameters
Angular Ranges
±0.5° (high-gain), ±3° (standard), ±50° (wide-angle)
Resolution
<0.0001° / 0.0006° / 0.01° by range
Nonrepeatability
<0.0002° / 0.001° / 0.02° by range
Nonlinearity
1% FRO (±0.5°); 2% FRO (±3°/±50°)
Scale Factor
0.1°/V; 0.6°/V; 10°/V by range
Axes
1 or 2 (longitudinal / transverse / biaxial ordering)
Fits shallow-water tilt monitoring where you need a Jewell Instruments Model A820—gravity-referenced analog tiltmeter with ±0.5°, ±3° or ±50° ranges, ±5 VDC outputs, 200 m submersion rating, and 316 stainless housing.
Key advantages
- Ranges — ±0.5° / ±3° / ±50°
- Output — ±5 VDC tilt + temperature channel
- Submersion — 200 m waterproof
- Axes — 1 or 2
- Housing — 316 stainless; about 1.6 kg
Typical applications
- Shallow-water structures.
- Geotech tilt.
- Marine platform monitoring.
Selection guide
- Range / gain
- Uni vs biaxial
- Cable length
Common mistakes
- Wrong range for motion.
- Exceeding 200 m.
- Supply outside 8–18 VDC.
When to RFQ / what to tell us
- Range/axes/cable.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 44466 |
| Brand | Jewell Instruments |
| Model | Model A820 Series Tiltmeter |
| Product type | Tiltmeter |
| Angular ranges | ±0.5° (high-gain), ±3° (standard), ±50° (wide-angle) |
| Resolution | <0.0001° / 0.0006° / 0.01° by range |
| Nonrepeatability | <0.0002° / 0.001° / 0.02° by range |
| Output | ±5 VDC single-ended tilt + temperature channel |
| Axes | 1 or 2 (longitudinal / transverse / biaxial ordering) |
| Power | 8–18 VDC @ 8 mA, 250 mV ripple max, reverse-polarity protected |
| Submersion rating | 200 m (656.2 ft) waterproof |
| Materials/weight | 316 stainless steel; 1.6 kg |
Documents
FAQ
Q: Ranges? A: ±0.5°, ±3°, ±50°.
Q: Depth? A: 200 m submersible.
Q: What should I send for a quote? A: Range/axes/cable, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Angular Ranges | ±0.5° (high-gain), ±3° (standard), ±50° (wide-angle) |
| Resolution | <0.0001° / 0.0006° / 0.01° by range |
| Nonrepeatability | <0.0002° / 0.001° / 0.02° by range |
| Nonlinearity | 1% FRO (±0.5°); 2% FRO (±3°/±50°) |
| Scale Factor | 0.1°/V; 0.6°/V; 10°/V by range |
| Axes | 1 or 2 (longitudinal / transverse / biaxial ordering) |
| Power | 8–18 VDC @ 8 mA, 250 mV ripple max, reverse-polarity protected |
| Operating Temperature | −4 to +60°C (storage −30 to +100°C) |
| Submersion Rating | 200 m (656.2 ft) waterproof |
| Materials Weight | 316 stainless steel; 1.6 kg |
| Dimensions | 92.1 × 112.4 × 61 mm (catalog) |
| Temperature Output | 0.1°C/mV typical (0°C = 0 mV) |
| Output Impedance | 270 Ω nominal |