Wabash 971 RPS

Wabash 971 RPS


Rotary Position Sensor

Designed to operate in demanding environments where long life and high performance is required.

The Wabash 971 Rotary Position Sensor (RPS) uses high performance conductive polymer tracks and contact designs to achieve 2 percent independent linearity. Reliable and versatile, it is ideal for applications such as:

  • Electric industrial vehicles
  • Off-road steering and transmission
  • Engine management and controls
  • Recreational vehicles
  • Agricultural equipment

The 971 RPS can be supplied with options for electrical track length, resistance, flying leads, integral connector and actuator drive direction. Its rugged design can withstand:

  • Temperature extremes
  • Harsh environment
  • Mechanical shock and vibration

Wabash generic sensors offer customers low cost options with minimal or little tooling investment.

Count on Wabash Technologies for sensing solutions that add performance and value to products. We serve customers with advanced design and engineering capabilities, flawless quality performance, flexible manufacturing and on-time delivery.


PRINT download PDF 971 RPS Technical Diagram

Technical Specifications

PHYSICAL
  • High performance, compact potentionmetric sensor
  • Suitable for arduous engine management and closed loop control system feedback applications
  • Through-hole accuation capability
  • Integral connector or flying lead versions
  • Actuator and mounting configuration options

ELECTRICAL
 
Specifications
Track Resistance (R†) 5KΩ ± 20% @ 20°C ±10°C
Linearity (Independent) ±2%
Index Point 3% ±2% @ -Low End Stop
Output Gradient 0.973%/° Max 0.873%/° Min
Power Rating 1 Watt @ 40°C Derated to Zero @ 135°C
Temperature Coefficient ±600ppm/°C
Insulation Resistance 1000MΩ Min 500V DC
Maximum Voltage 13.5V DC



MECHANICAL
 
Specifications
Rotational
128° ±2°
Spring Torque Min Return - 6 Nmm
Max Wind Up - 120 Nmm
Mechanical End Stop Strength 680Nmm Min
Fixing Torque (M4 and Washer) 2Nm Maximum
Lead Wire Version 971 - 0002 16/0.2, 0.5 mm CSA
1.8mm OD
Pull Strength: 10 kg Max (all 3 wires)
Connector Version 971 - 0001 Connector to
M47/2
AMP P/N 828748-3



PERFORMANCE & ENVIRONMENTAL
 
Specifications
Rotation Life (-40°C - +130°C) 5,000,000 Full Cycles
10,800,000 Dither Cycles (2°)
Functional Temperature Range -40°C to +85°C Wire Version
-40°C to +155°C Connector Version
Mechanical Shock (Handling) 1m Drop onto Concrete Floor
Mechanical Shock (Bump) 1000 40 G 11 ms Shocks (3 axis)
Vibration (Sinusoidal) 10-57 Hz @ 1mm Displacement
57 - 100 Hz @ 10 g
100 - 500 Hz @ 27 g
Sealing IP 5X (dust)
Pressure Wash 90 Bar 0.5-0.6 m 5-6 Seconds
Humidity 40°C 96% RH 504 Hours
Chemical Resistance Screen Wash, Gearbox Oil, Brake Fluid DOT4, Isoctane/Toluene (70/30) +15% Methanol, Engine Cleaning Agent, Engine Coolant, Antigel Fluid, Electrolyte Density, 1285 Kg/m3 (Sulphuric Acid H2S04)