Japanese Magnescale Caliper Sensor DK805SAR5



Utilizing high-tolerance ball spline bearings, the design is slender with a central tube diameter of φ8mm.
Signal processing technology has achieved high precision, capable of handling real-time measurements as well.
Measurement Range: 5mm, 12mm, 30mm
Resolution: 0.1 µm, 0.5 µm
Accuracy: 1µm p-p to 1.7µm p-p (varies by model)
Response Speed: 80m/min at 0.1µm resolution, 250m/min at 0.5µm resolution
Bearings Structure: Utilizes high durability ball spline bearings, enhancing sliding performance
Slide Count: Over 320 million or more (testing continues as of January 2021)
Protection Rating: Supports IP67 (straight type/90-degree type when气管is installed)
Built-in origin
Output Signal: A/B Phase (Pulse), Origin (Differential Line Driver Signal with Voltage Difference)
Available with flanges for secure attachment.
| Main Specifications | ||
|---|---|---|
※1 The marked () is Type B. ※2 Excludes the internal box and connector parts ※3 Right-angled and φ4mm pipe used ※4 Excludes cable parts and inserts ※5 The shapes and sizes of certain parts differ from the previous DK800 series models. Changes to the content will not be announced separately. | ||
| Model | High-resolution model | Universal Resolution Type |
| DK805SAR,DK805SALR,DK805SAFR,DK805SAFLR DK805SBR,DK805SBLR,DK805SBFR,DK805SBFLR | DK805SAR5,DK805SALR5,DK805SAFR5,DK805SAFLR5 DK805SBR5,DK805SBLR5,DK805SBFR5,DK805SBFLR5 | |
| Measurement Range | 5mm | |
| Resolution | 0.1µm | 0.5µm |
| Accuracy (at 20℃) | 1µm p-p | 1.5µm p-p |
| Measurement Force (at 20℃) | Up: 0.35 ± 0.25 N | |
| Horizontal: 0.40 ± 0.25 N | ||
| Down: 0.45 ± 0.25 N | ||
| Operating Temperature Range | 0 ~ +50℃ (No condensation) | |
| Storage Temperature Range | -20 to +60℃ (90%RH or lower) | |
| Responsive Speed ※1 | 80m/min (42m/min) | 250m/min (100m/min) |
| Spindle Drive Method | Spring Compression (All Models) Air-driven via vacuum suction (DK805S*LR*) | |
| Origin Response Speed | With the same response speed as above | |
| Origin Position | Spindle movement of ±0.5mm at 1mm position | |
| Protection Grade ※2 | Linear: IP67; Right-angle: IP64 (IP67 x 3) | |
| Vibration-resistant | 100m/s2 (20 ~ 2,000 Hz) | |
| Impact-resistant | 1000m/s2 (11ms) | |
| Power Voltage | DC 5V ±5% | |
| Power Consumption | 1W | |
| Output | A/B/Origin Differential Line Driver Signal (Compliant with EIA-422) | |
| Quality ※4 | Approx. 30g | |
| Sensor Head | Spherical ball with super-hard alloy, installed with M2.5 screws | Steel rod ball surface, installed with M2.5 screws |
| Output Cable Length | 2.5m | |
| Accessories | 1 instruction manual, +2 PM4×5 screws, set screw, wrench, spring washer 1 each installation pin (only for DK8**S*F**), 1 each hose elbow (only for DK8**S*L**), 1 each wrench | |



































