FCKA19 Series
Low Temperature Resistant LVDT Position Sensors
Features
- Diameter: 19mm
- Range: ±1.25mm to ±250mm
- Operating temperature -210°C to +105°C
- Stainless steel housing
- Protection Rating: IP61
Applications
- Superconducting proton accelerator
- liquid nitrogen
- liquid helium
- large scientific device
The FCKA19 series of cryogenic LVDT position sensors from ABEK SENSORS are suitable for applications in low temperature environments such as liquid nitrogen, liquid helium, vacuum, etc.
FCKA19 position sensors have the technical advantages of high resolution, good repeatability, low impedance, high sensitivity, good linearity, environmental adaptability and reliability. The maximum linearity error NMT ±0.25% FS.
In addition to the options already provided in the selection table, this series can also be customized according to customer requirements, including thread specifications, rebound device, cable outlet methods and other mechanical structure requirements; As well as the adaptability design of many special application environments such as high-pressure resistance, high temperature resistance, radiation resistance, etc.
In order to facilitate the actual application of the customer, we also supply a variety of accessories to match the sensor, the series of related mounting fixtures, signal processing equipment, cables and other accessories, please contact us for information.
Electrical parameters
| Parameters | Description |
| Input Voltage: | 1 to 12V AC, 3V rms |
| Input Frequency: | 400 to 10k Hz, 2.5 kHz（rms) |
| Linearity Error: | <±0.25% (Full stroke) |
| Repeatability Error: | <0.01% (Full stroke） |
| Hysteresis Error: | <0.01%(Full strokel) |
| Operating Temperature: | -210°C to +200°C |
| Thermal Coefficient | -0.02%/°C (nominal) |
| Vibration: | 20g, 2 kHz |
Dimensions
| Parameters | Model | FCKA19-000625 | FCKA19-001325 | FCKA19-0025 | FCKA19-005025 | FCKA19-010025 | FCKA19-015025 | FCKA19-020025 | FCKA19-025025 | FCKA19-030025 | FCKA19-040025 | FCKA19-050025 |
| Range | mm | ±3 | ±6.5 | ±12.5 | ±25 | ±50 | ±75 | ±100 | ±125 | ±150 | ±200 | ±250 |
| Body length “A” | mm | 49 | 67 | 127 | 163 | 259 | 319 | 391 | 451 | 487 | 607 | 775 |
| Dimension “B” | mm | 32 | 42 | 87.7 | 87.7 | 134.5 | 157.4 | 157.4 | 157.4 | 157.4 | 178 | 241 |
| Dimension “C” | mm | 41.5 | 37.5 | 67 | 93 | 103 | 139 | 163 | 283.5 | 165.5 | 335.5 | 393 |
| Sensitivity | mV/V/mm | 90 | 80 | 25 | 24 | 15 | 9.8 | 6.7 | 4.9 | 4.5 | 4.3 | 3.1 |
| Primary Impedance | Ω | ≥325 | ≥1400 | ≥1200 | ≥1250 | ≥2150 | ≥2150 | ≥420 | ≥600 | ≥600 | ≥775 | ≥620 |
Specialized Accessories
LVDT/RVDT Signal Conditioner
Mounting Block
Link Bar
