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Jewell Instruments
Jewell Model C820 Series Tiltmeter
Quote on request
No online payment · add lines to RFQ BOM
Jewell C820: ±0.5°/±3°/±50°; 4–20 mA; 200 m submersible. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Measuring range
High-Gain ±0.5°; Standard ±3°; Wide-Angle ±50° (uniaxial or biaxial)
Accuracy
Nonlinearity max 1% / 2% / 0.5% FRO (HG/Std/WA); nonrepeatability <0.0002° / 0.001° / 0.02°
Output
4–20 mA two-wire current loop per axis; tilt + temperature channels
Supply
(0.02 A × R + 10 VDC) < Vs < 29 VDC
Housing
316 SS (6AL-4V Titanium also available)
Protection
Submersible to 200 m (656.2 ft) shallow-water rating
Fits loop-powered shallow-water tilt sensing where you need a Jewell Instruments Model C820—electrolytic tiltmeter with ±0.5°, ±3° or ±50° ranges, 4–20 mA two-wire output per axis, temperature channel, and 200 m submersion rating in 316 SS (titanium optional).
Key advantages
- Ranges — ±0.5° / ±3° / ±50°
- Output — 4–20 mA two-wire per axis
- Depth — Submersible to 200 m
- Sensor — Absolute gravity-referenced electrolytic
- Housing — 316 SS; titanium available
Typical applications
- Shallow-water geotech.
- Structural tilt loops.
- Marine monitoring to DCS.
Selection guide
- Range
- Uni vs biaxial
- Titanium vs 316 SS
Common mistakes
- Loop supply math wrong.
- Exceeding depth.
- Ignoring time constant 0.15 s.
When to RFQ / what to tell us
- Range/axes/material.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 44468 |
| Brand | Jewell Instruments |
| Model | Model C820 Series Tiltmeter |
| Product type | Tiltmeter |
| Measuring range | High-Gain ±0.5°; Standard ±3°; Wide-Angle ±50° (uniaxial or biaxial) |
| Accuracy | Nonlinearity max 1% / 2% / 0.5% FRO (HG/Std/WA); nonrepeatability <0.0002° / 0.001° / 0.02° |
| Resolution | <0.0001° / 0.0006° / 0.01° (HG/Std/WA) |
| Output signal | 4–20 mA two-wire current loop per axis; tilt + temperature channels |
| Scale factor | 0.0625 °/mA (HG); 0.375 °/mA (Std); 6.25 °/mA (WA) |
| Supply voltage | (0.02 A × R + 10 VDC) < Vs < 29 VDC |
| IP rating | Submersible to 200 m (656.2 ft) shallow-water rating |
| Sensor type | Absolute gravity-referenced electrolytic Shallow Water 4–20 mA tiltmeter |
Documents
FAQ
Q: Output? A: 4–20 mA two-wire per axis.
Q: Depth? A: 200 m.
Q: What should I send for a quote? A: Range/axes/material, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | High-Gain ±0.5°; Standard ±3°; Wide-Angle ±50° (uniaxial or biaxial) |
| Accuracy | Nonlinearity max 1% / 2% / 0.5% FRO (HG/Std/WA); nonrepeatability <0.0002° / 0.001° / 0.02° |
| Output | 4–20 mA two-wire current loop per axis; tilt + temperature channels |
| Supply | (0.02 A × R + 10 VDC) < Vs < 29 VDC |
| Housing | 316 SS (6AL-4V Titanium also available) |
| Protection | Submersible to 200 m (656.2 ft) shallow-water rating |
| Ambient temperature | Operating −4 to +60 °C; storage −30 to +100 °C |
| Sensor type | Absolute gravity-referenced electrolytic Shallow Water 4–20 mA tiltmeter |
| Resolution | <0.0001° / 0.0006° / 0.01° (HG/Std/WA) |
| Scale Factor | 0.0625 °/mA (HG); 0.375 °/mA (Std); 6.25 °/mA (WA) |
| Temperature Output | 10,000 Ω thermistor, −50 to +150 °C range |
| Time Constant | 0.15 s |
| Cable | 8-conductor unshielded 20 AWG female receptacle with locking sleeve, neoprene jacket (charged separately) |
| Weight | 1.6 kg |