Product Details

AV4

Magnetic Durability in a Compact Encoder

  • Shaft Sizes Include 1/4", 3/8", 6mm & 10mm
  • No Optical Glass Disc
  • Resists Dust, Dirt, and Liquids
  • Drop-in Mechanical Replacement for Any Optical Encoder
  • Compatible Pinouts: No Rewiring
  • Up to IP69K Rating Available
  • -40°C to +85°C Operation
  • 2 Year No-Hassle Warranty
  • Up to 16384 PPR

Avtron AV4 encoders are setting THE industry standard for incremental quadrature rotary encoders. This versatile lineup fits the same mounting patterns on all motors and machines as competitor units, but that’s where the similarities end. We've incorporated Avtron magnetic sensing technology to this affordable set of encoders! This makes AV4 more resistant to dust, dirt, oil and other liquids that make ordinary optical encoders fail.

Our Wide-Gap technology provides for 10-20X larger air gap between sensor and rotor than ordinary optical encoder designs. Consider the resistance to vibration when you compare our 0.040” air gap to the typical 0.004” clearance from the thin, often flexible, optical disk spinning at full motor speeds. Our high-accuracy magnetic sensors provide high quality quadrature signals for precise velocity and position control with the durability of magnetic sensing technology.

Our magnetic AV4 encoders are setting a new standard for quality, durability, and performance. Select an Avtron AV4 today!

Operating Power: Volts: 5 - 30 VDC; Current: 140mA @ 5V, 70 mA @ 10 VDC, 40 mA @ 24 VDC, no load
Output Format: A Quad B with marker (A,/A, B,/B, Z,/Z) available
Frequency Range: 0 to 1 MHz
PPR: 1 - 16,384 Standard (for other PPR needs consult factory)
Speed: 6000 RPM Max., (for higher speeds, consult factory)
Axial Load: 9 lbs [40 N], Radial 25 lbs [110 N]
Max.Temperature: -40° to 85° C

Environment: up to IP69K (when provided with shaft seals, SST housing)
Vibration: 10g (10 Hz – 1000 Hz, EN 60068-2-6)
Shock: 100g (half sine 6 ms, EN 60068-2-27)
Weight: 0.44-1.76 lbs [200-800 g]
  • Digital mapping technology for high accuracy
  • All-digital design, no trim pots or adjustments for longer life                  
  • Advanced magnetic sensor technology

No Related Materials Available

Competitive Products

  • Avtron's AV4 encoders directly replace a broad range of encoders, including, but not limited to:


    BEI H20, XH20, H25, XH25

    Dynapar H20, H21, H22, H23, H58, HA25, HR25, HC25, HA725, H42

    Encoder Products Corporation (EPC) 702

    Northstar: HD20. HD2.0, HD25, HD2.5


    And many other 2", 2.5", 36mm, 42mm, 58mm encoder models.

    For direct model replacements, try our cross reference page

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