瑞士进口位移传感器，Pretec品Pai，标准的笔式位移传感器，半桥式的，测量精度高、稳定性好，可与Tesa等兼容。
含标准型，防水型，气动推动型等。
这个装置是基于我们瑞士在电动测头制造的长期经验下。即使在恶劣条件下也能保证了探头的测量重复性好。
标准电动侧头的本体尺寸为φ8-h6X80mm 镀铬的硬质合金，球轴承导向伸缩。另外一个滚子轴承的锁住测头，以防止发生扭曲变形。
技术参数
| |
| | 2940 | 2921 | 2922 | 2924 | 2928 | 2936 | 2970 | 2952 |
| Measuring range A1 | ± 2 mm | ± 0.8 mm | ± 1 mm | ± 1 mm | ± 1 mm | ± 0.5 mm | ± 3 mm | ± 1 mm |
| Working travel A2 | 2.25mm
variabel | 0.8...1.1
mm fix | 1.1...1.2
mm fix | 1.1...1.3
mm fix | 1.1...1.3
mm fix | 1.1...1.3
mm fix | 3.5 mm fix | 1.05...1.1
mm fix |
| Overall travel A3 | 4.5 mm | 3 mm | 3 mm | 3 mm | 3 mm | 3 mm | 3 mm | 3 mm |
| Repeatability | 0.02 μm | 0.02 μm | 0.02 μm | 0.02 μm | 0.02 μm | 0.02 μm | 0.02 μm | 0.02 μm |
| Linearity typ | ± 0.2% | ± 0.3% | ± 0.3% | ± 0.3% | ± 0.3% | ± 1% | ± 2% | ± 0.3% |
| Measuring force on zeropoint | 0.45...0.75N | 0.6...1.0N | 0.45...0.75N | 0.45...0.75N | 0.45...0.75N | 0.8...1.2N | 0.8...1.2N | 0-0.25N |
| Application | Universal | Splash Waterproof | Vacuum lifter | Waterproof | Radial cable entry | Small
dimensions | Large measuring range | Small measuring force |
| Protection | IP 64
CEI/IEC
529 | IP 66
CEI/IEC
529 | IP 64
CEI/IEC
529 | IP 65
CEI/IEC
529 | IP 64
CEI/IEC
529 | IP 50
CEI/IEC
529 | IP 64
CEI/IEC
529 | IP 50
CEI/IEC
529 |
| Guiding of measuring pin | Ball bearing | Ball bearing | Ball bearing | Ball bearing | Ball bearing | Ball bearing | Ball bearing | Spring
parallelogr. |
| Cable | 2 m | 2 m | 2 m | 2 m | 2 m | 2 m | 2 m | 2 m |
| Connector | 5 pin / M14 | 5 pin / M14 | 5 pin / M14 | 5 pin / M14 | 5 pin / M14 | 5 pin / M14 | 5 pin / M14 | 5 pin/M14 |
