- 產品詳情
Sensata 1221/1321/1521/1621/1721/1821 系列 Rotary Motion Precision Sensor(旋轉運動精密傳感器) 是一款高精度導電塑料單圈電位計，專為工業自動化、伺服控制系統、航空航天設備、測試測量儀器以及高可靠性位置反饋應用而設計。
該系列采用伺服安裝(Servo Mount)結構和精密滾珠軸承設計，具有優異的線性度、超長機械壽命以及穩定的輸出性能，可為各類角度測量和位置控制系統提供精準可靠的位置反饋。
產品特點
高精度導電塑料電阻元件
單圈絕對位置檢測
Servo Mount標準安裝方式
精密滾珠軸承結構
線性度最高可達 ±0.04%
最大機械壽命達5000萬轉
工作溫度范圍 -55°C 至 +125°C
滿足 MIL-R-12934 軍工標準要求
提供多種電阻值和尺寸規格選擇
支持多聯結構設計(最多8聯)
參數信息
| 1221 | 1321 | 1521 | 1621 | 1721 | 1821 | |
| Theoretical Electrical Travel | 320° | 340° | 350° | |||
| Normal Resistance Range | 400Ω to 25K | 500Ω to 35K | 700Ω to 45K | 900Ω to 60K | 1.2K to 75K | 2K to 125K |
| Extended Resistance Range1) | 400Ω to 75K | 500Ω to 100K | 500Ω to 125K | 500Ω to 150K | 600Ω to 200K | 750Ω to 300K |
| Resistance Tolerance:Standard % | ±10 | |||||
| Best Practical % | ±5 | |||||
| Power Rating At 70°C,Derating to 0 At 125°C (Watts) | 0.5 | 0.75 | 1 | 1.5 | 2 | 3 |
| Linearity,Independent,Tolerance,Standard% | ±0.5 | ±0.4 | ±0.3 | ±0.25 | ±0.2 | ±0.15 |
| Best Practical% | ±0.2 | ±0.15 | ±0.10 | ±0.075 | ±0.06 | ±0.04 |
| Output Smoothness Max. (% Of Total Applied Voltage) | 0.1 | |||||
| End Voltage Max. (%Of Applied Voltage) | 0.5 | |||||
| Insulation Resistance At 500 VDC,Min. (Megohms) | 1000 | |||||
| Dielectric Withstanding Voltage (Volts RMS) | 1000 | |||||
| Max. Applied Voltage(Volts DC)2) | 400 | |||||
| Temperature Coefficient Of Potentiometer,Max. % / C° | ±.007 | |||||
| Total Mechanical Travel | 360° Continuous | |||||
| Mechanical Life,Shaft Revolutions | 50 million | |||||
| Ganged Cups,Max. (Number) | 6 | 8 | ||||
| Taps,Max.,Excluding End Terminations | 9 | 19 | 24 | 26 | 41 | |
| Moment Of Inertia,Per Cup | 0.2 | 4 | 4.5 | 5 | 8.5 | |
| Weight:Single Cup (oz.) | 0.6 | 0.8 | 2.2 | 2.8 | 3.3 | 6.5 |
| Each Additional Cup (oz.) | 0.2 | 0.5 | 0.7 | 0.9 | 1 | 1.4 |
| Torque,Max. Per Cup (oz. in) | 0.1 | 0.15 | 0.6 | 0.7 | 0.8 | 1 |
| Pilot Diameter Runout,Max. | 0.0015 | |||||
| Lateral Runout,Max. | 0.0015 | 0.002 | 0.003 | |||
| Shaft Runout,Max. | 0.001 | |||||
| Shaft Radial,Max. | 0.002 | |||||
| Shaft End,Max. | 0.0015 | |||||
| Dimension For Each Additional Cup | .500±.002 | .537±.002 | .562±.002 | |||
| Temperature Range (°C) Standard | -55 to + 125 | |||||
