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Rotary transducer PMR411

Rotary transducer PMR411

Product catalog summary
Overview: The document details the specifications and features of the PMR 411 model rotary transducer potentiometer, designed for measuring and transmitting positions of valves, flaps, throttles, and pedals in vehicles. It is resistant to oil, petrol, water, and antifreeze liquids.
Key Specifications:
  • Durability: Conductive plastic element with a lifespan of up to 10 or 50 million cycles.
  • Measurement Range: 95°.
  • Operating Temperature: -40°C to +125°C.
  • Protection Grade: IP 65.
Construction: The device features a radial arm adjustment with an integral spring return, two mounting holes for 20° case adjustment, and electrical connection via three lateral leads, each 300 mm long.
Mechanical Data:
  • Rotary Angle: 125° ± 5°.
  • Stop Strength: ≥ 60 Ncm.
  • Spring Return Direction: Counterclockwise (CCW).
  • Spring Return Force: > 5 Ncm at start, < 10 Ncm at end.
Environmental Data:
  • Operating Temperature Range: -40°C to +125°C.
  • Storage Temperature Range: -55°C to +135°C.
  • Vibration Resistance: 100 m/s² at 10 to 500 Hz.
Electrical Data:
  • Resolution: Infinite.
  • Useful Electrical Angle: 95° ± 3°.
  • Life Expectancy: ≥ 50 million cycles.
  • Permissible Load: 0.5 W up to +40°C, 0.05 W up to +125°C.
  • Total Resistance: 4 kΩ ± 20%.
  • Linearity: 1.5%.
  • Recommended Current Through Wiper: ≤ 100 µA.
  • Permissible Current Through Wiper: ≤ 0.5 µA continuously.
  • Protective Resistance at Wiper: 1.7 kΩ ± 20%.
  • Lead Length: 300 mm ± 20 mm.
  • Lead Section: 0.93 mm².
  • Mass: 0.035 kg.
Dimensions and Electrical Connection: The document provides detailed dimensions and electrical connection information for the PMR 411 model.
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Catalog excerpts

Rotary transducer PMR411-1

■ Designed for the measurement and transmission of valve, flap, threadle and pedal positions in vehicles ■ Oil, petrol, water and anti-freese liquid resistant ■ Conductive plastic long life resistant element (up to 10 or 50 million cycles) ■ Measurement range 95° < ■ Operating temperature range -40° C to +125°C ■ Protection grade IP 65 Adjustment by radial arm, with integral spring return - with two mounting holes to allow 20° case adjustment - electrical connection via three lateral leads 300 mm long. Mechanical data ■ Mechanical rotary angle: ■ Stop strength: ■ Direction of pring return: ■ Force of spring return □ at starting point: □ at end: Environmental data ■ Operating temperature range: ■ Storage temperature range: ■ Vibration resistancy: ■ Resolution of resistant element: ■ Useful electrical angle: ■ Life expectancy PMR 411: ■ Permissible load: ■ Total resistance: ■ Linearity: ■ Recommended current through wiper: ■ Permissible current through wiper: ■ Protective resistance at wiper: ■ Length of leads: ■ Section of leads: ■ Mass: infinite 95 ± 3° > 50 x 106 cycles 0.5 W up to +40° C 0.05 W up to +125° C 4 kQ ± 20 % 1.5 % < 100 |jA < 0.5 jA continuously 1.7 kQ ± 20 % 300 mm ± 20 mm 0.93 mm2 0.035 kg Electrical connection TWK-ELEKTRONIK GmbH BismarckstraBe 108

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