- 产品详情
Sensata 1221/1321/1521/1621/1721/1821 系列 Rotary Motion Precision Sensor(旋转运动精密传感器) 是一款高精度导电塑料单圈电位计，专为工业自动化、伺服控制系统、航空航天设备、测试测量仪器以及高可靠性位置反馈应用而设计。
该系列采用伺服安装(Servo Mount)结构和精密滚珠轴承设计，具有优异的线性度、超长机械寿命以及稳定的输出性能，可为各类角度测量和位置控制系统提供精准可靠的位置反馈。
产品特点
高精度导电塑料电阻元件
单圈绝对位置检测
Servo Mount标准安装方式
精密滚珠轴承结构
线性度最高可达 ±0.04%
最大机械寿命达5000万转
工作温度范围 -55°C 至 +125°C
满足 MIL-R-12934 军工标准要求
提供多种电阻值和尺寸规格选择
支持多联结构设计(最多8联)
参数信息
| 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 | |||||
