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Scientific Instruments cryogenic sensors. The RO-215 ruthenium oxide sensors are thick-film resistors following a single resistance-temperature curve. They deliver excellent performance in magnetic field environments. The RO-215 features similar physical specifications with higher calibration accuracy and reproducibility better than 20mK.
Scientific Instruments Cryogenic SensorsThe RO-215 ruthenium oxide sensors are thick-film resistors that follow a unified resistance-temperature curve and exhibit outstanding performance under magnetic field conditions. The RO-215 shares similar physical dimensions while boasting higher calibration accuracy and expected repeatability superior to 20mK.
Accuracy Grade of RO-215 Ruthenium Oxide Ultra-Low Temperature Sensors
Grade A:±0.1K (2K~50K)±0.75K (50K~100K)
Grade B:±0.2K (2K~50K)±1K (50K~100K)
Grade C:±0.2K (2K~50K)±1.5K (50K~100K)
Grade D:±0.3K (2K~50K)±3K (50K~100K)
Uncalibrated:±0.3K (2K~50K)
Two-Lead Options
36 AWG stranded copper wire, Teflon insulation36 AWG phosphor bronze wire, polyimide bonded insulation (Recommended)32 AWG phosphor bronze wire, polyimide bonded insulation30 AWG phosphor bronze wire, polyimide bonded insulation
Four-Lead Options
36 AWG stranded copper wire, Teflon insulation36 AWG phosphor bronze wire, polyimide bonded insulation (Recommended)32 AWG phosphor bronze wire, polyimide bonded insulation
Teflon jackets are available in lengths ranging from 6 inches to 15 feet.
Parameter：
| Model | RO-215 |
| Range | 2.0K to 100K |
| Excitation | 10uA |
| Repeatability | +/- 20mK @ 4.2K |
| Used in magnetic field | No MR for B<2T; negligible positive MR for B>2T |
| Packaging method | Copper Can, Bobbin, Direct FoC (film-on-ceramic) |
| Interchangeability | Yes |
| Calibration options | Yes, +/- 30mK accuracy @ 4.2K |
| Chip size [mil] | 177 x 80 x 15 |
| Chip size [mm] | 4.5 x 2.03 x 0.38 |
| Technology | RuO₂ Thick-Film Custom Ink, Direct Print Glaze, Remote Bond Pads to Reduce Heat Impact on Thin Films |
Magnetic field at 4.2 K：
| Model | 2T | 8T |
| RO-215 | 0.01K | 0.1K |
Contact Tel
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Email：sales@linkphysics.com
