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SR74，SR75多原点磁尺传感器，Magnescale磁栅尺
产品性：适合应用于密平台定位薄型增量型磁尺该系列磁性尺是*磁性记录组成，所以即使暴露在冷却液下，也可以不受其影响，能保持读取能力。且因该系列尺与本体以铁制成，故温度膨胀系数与机台相同，密度不易失真，且抗振动与冲击。
SR74 SR75 技术参数：
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SR74，SR75多原点磁尺传感器，Magnescale磁栅尺产品规格书：
| odel | SR74 | SR75 |
| Measuring length (ML) | 70~2040mm 70, 120, 170, 220, 270, 320, 370, 420, 470, 520, 570, 620, 720, 770, 820, 920, 1020, 1140, 1240, 1340, 1440, 1540, 1640, 1740, 1840, 2040 | 70~2040mm 70, 120, 170, 220, 270, 320, 370, 420, 470, 520, 570, 620, 720, 770, 820, 920, 1020, 1140, 1240, 1340, 1440, 1540, 1640, 1740, 1840, 2040 |
| Thermal expansion coefficient (/ °C) | 12 ± 1 x 10-6/ °C | 12 ± 1 x 10-6/ °C |
| Output signal | A/B, Reference point line driver signal (compliant with EIA-422) | Incremental serial bidirectional signal, compliant with EIA-485 |
| Accuracy (at 20 °C) ML:mm | 3+3ML/1,000 μm p-p or 5+5ML/1,000 μm p-p | 3+3ML/1,000 μm p-p or 5+5ML/1,000 μm p-p |
| Resolution | Selectable from 0.05,0.1,0.5 and 1.0 μm ( Set at factory shipping) | Selectable from 0.01,0.05,0.1,0.5 and 1.0 μm ( Set at factory shipping) |
| Reference point | None, Center point, Multi-point (40 mm pitch), Reference mark (standard pitch: 20 mm), User-selected point (1 mm pitch) | None, Center point, User-selected point (1 mm pitch) |
| Power supply voltage | DC4.75 - 5.25V(At cable connection end) | DC4.75 - 5.25V(At cable connection end) |
| Consumption current | 200 mA (at 120 Ω terminal) max. | 200 mA (at 120 Ω terminal) max. |
| Imrush current | 2A max. (When the power supply rise time is 10 ms) | 2A max. (When the power supply rise time is 10 ms) |
| Maximum response speed | 50m/min(Resolution: 0.1 um, Minimum phase difference: at 100 ns) | 200m/min (User-selected resolution setting) |
| Vibration resistance | 150m/s2 (50Hz~3kHz) | 150m/s2 (50Hz~3kHz) |
| Impact resistance | 350m/s2 (11ms) | 350m/s2 (11ms) |
| Protective design grade | IP54 (Air purge not included), IP65 (Air purge included) | IP54 (Air purge not included), IP65 (Air purge included) |
| Other protections | Oil lubricant can also be used under severe environmental conditions. | Oil lubricant can also be used under severe environmental conditions. |
| Power supply protection | In the case of errors such as a reverse-connected power supply or over-voltage, the internal fuse is cut to protect the power being supplied and wiring. | In the case of errors such as a reverse-connected power supply or over-voltage, the internal fuse is cut to protect the power being supplied and wiring. |
| Safety standards | FCC Part15 Subpart B Class A. ICES-003 Class A Digital Device. EN55011 Gp1 Class A, EN61000-6-2. Safety standards not applicable (60 V DC or less). | FCC Part15 Subpart B Class A. ICES-003 Class A Digital Device. EN55011 Gp1 Class A, EN61000-6-2. Safety standards not applicable (60 V DC or less). |
| Operating temperature range( °C) | 0 ~ +50 °C | 0 ~ +50 °C |
| Storage temperature range( °C) | -20 ~ +55 °C | -20 ~ +55 °C |
| Mass | Approx.0.27kg + 1.36kg/m | Approx.0.27kg + 1.36kg/m |
| Slider sliding resistance | 1N or less | 1N or less |
| Model | CH33-**CP | CH33-**CE |
| Description | Cable with open end | Cable with open end |
| Cable length | 3,5,10,15m | 3,5,10,15m |
| Material | PVC | PU |
| Armor | YES | YES |
外形寸法图
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