Hall Effect Potentiometer Substitute - Series 68P
The Grayhill Series 68P is a long-life potentiometer substitute utilizing Hall effect sensor technology. It offers a ratiometric analog output, debris resistance, and a mechanical life of 3 million rotational cycles. Designed for applications requiring a durable and reliable rotary position sensor, it features redundant outputs and protection against reverse voltage and overvoltage. Ideal for test & measurement, audio/visual equipment, and engine speed control in agriculture & construction.
Product Attributes
- Brand: Grayhill, Inc.
- Origin: USA
- Materials: Bushing: Zinc, Shaft: Stainless Steel, Hex Nut: Nickel plated brass, Lockwasher: Spring steel, zinc plate with clear trivalent chromate finish, Cable: Copper stranded with PVC (cable version), Header Pins: Tin-plated phosphor bronze
- Certifications: RoHS Compliant, IP67 (IEC 60529)
Technical Specifications
| Feature | Specification |
| Electrical Ratings | - Operating Voltage: 4.5V to 5.5V (VDD)
- Absolute Maximum Voltage (Pin 6): -18V to +27V
- Supply Current (Redundant): Typical 22mA, Max 40mA
- Output Current: 2.5mA max
- Recommended Load: 2K-5.6K Ohms Pull-Down Resistor
- Power-Up Time: 20ms
- Sensor Error Output: < 4% of VDD
|
| Physical & Mechanical Ratings | - Mechanical Life: 3,000,000 cycles
- Average Rotational Torque: 1.5 in-oz maximum
- Maximum Rotational Speed: 100 rpm
- Mounting Torque: 15 in-lbs. maximum
- Shaft Pushout / Pullout Force: 45 lbs. minimum
- Terminal Strength: 15 lbs. minimum
- Solderability: 95% free of pin holes & voids (MIL-STD-202, Method 208)
|
| Environmental Ratings | - Operating Temperature: -40C to 85C
- Storage Temperature: -55C to 85C
- Humidity: 96 hours @ 90-95% humidity @ 40C
- Mechanical Vibration: 15g (10 to 2000 Hz) for 12 hours
- Mechanical Shock: 100g for 6 ms
- Thermal Shock: 25 cycles (-55C to 100C)
- Seal: IP67
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| EMC Ratings | - Radiated Immunity: ANSI/ASAE EP455 5.16
- Conducted Immunity: IEC 61000-4-6, Level 3
- Radiated Emissions: ISO 14982
- Conducted Emissions: CISPR 25, Class 3
- Electrostatic Discharge: ANSI/ASAE EP455 5.12, Level 1
- Power Frequency Magnetic Field: IEC 61000-4-8, 100 V/m
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2411041553_Grayhill-68PARS-040S_C17270342.pdf