700 Series Linear Potentiometer
Position Sensors & Encoders
The 700 Series Linear Position Sensors are designed to operate reliably in extreme environments such as “down hole” oil well applications at temperatures between -40° and over 200°C and pressures of up to 35,000 psi. Containing a conductive plastic resistive element, the 700 Series has a longer operating life and resolution than traditional wire-wound units. Offered in miniature diameters for space-saving advantages, the 700 Series is also designed to meet a wide variety of interface and mounting requirements making it ideal for applications requiring accurate performance in high temperature and high pressure environments with limited space.
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Specifications
| Electrical Travel | 1 in. min to 6 in. max |
| Total Resistance | 1.23 KΩ per inch |
| Resistance Tolerance | ±25% |
| Accuracy over useable range | (Ind. Lin. See Note 2) STD: ± 0.020 inch Best: ± 0.005 inch |
| Power Rating @ 175°C | 0.25 Watt per inch Derated to 0.10 Watts @ 250°C |
| Output smoothness | 0.1% |
| Insulation resistance @250 VDC | 1000 Megohms |
| Dielectric strength | 250 VRMS |
| Operating Temperature Range | 40° to +200°C |
| Storage Temperature Range | -40° to +250°C |
| Mechanical Travel | Elect travel + 0.2 in. min |
| Actuation Force | 2 oz. max |
| Repeatability | Within 0.001 inch |
| Life | 5 x 105 cycles |
