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Accu-Coder Encoders

Industrial encoders generally have pretty sturdy housings. Not all housings are designed to withstand the most caustic environments, however. And harsh environments can cause equipment to fail prematurely. The right housing will protect your encoder from caustic environments and corrosive atmospheres, prolong the encoder's life, reduce downtime, and ensure reliable feedback.

Accu-Coder Shaft Model 802S Stainless Steel Encoders Distributors

Do You Need a Corrosion Resistant Encoder?

How do you know when you need a special, corrosion-resistant housing? Ask yourself the following questions:

  1. Will the encoder be washed-down with caustic chemicals?
    • Many encoders have aluminum housings that might not hold up to the strongest industrial cleaners. If the machinery the encoders are installed on will be subjected to washdown with caustic chemicals, a standard housing may not offer enough protection.
  2. During use, will the encoder come into contact with corrosive agents?
    • Surprisingly, even food products may be corrosive to some materials, so consider what kind of machinery the encoders will be on. Will the encoder have contact with any corrosive material in day-to-day operations, or in the event of a spill? Will the encoder be in the presence of any acids or corrosive chemicals during the operation of the machinery?
  3. Are there airborne corrosive agents to consider?
    • Even salty air can cause corrosion. And depending on your industrial environment, there could be even stronger corrosive agents in the air around your machinery and its encoder(s).

What is the solution?

Fortunately, there are corrosive-resistant encoder housings that can solve your problem.

Accu-Coder 25T Thru-Bore 25H Hollow-Bore Incremental Encoders Distributors

Stainless Steel. The old standby, stainless steel is a great solution for many applications. The drawbacks are that it's expensive, it's heavy - which can be a problem, depending on the application – and not every encoder is available with a stainless steel housing.

Non-Corrosive Nylon Composite Housing. Generally less expensive than stainless steel, non-corrosive nylon composite housings, like the thru-bore encoder pictured at left, may be more widely available for the type of encoders you're looking for.

In addition to the housing, consider external parts that might be exposed to the corrosive environment, and verify that they are stainless steel or another corrosive-resistant material:

  • Connectors
  • Shaft or shaft collar
  • Mounting hardware
  • Gland/cable

Finally, consider what IP Rating you might need.

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Kubler Encoders

The Incremental Economy Encoders type 3700/3720 with optical sensor technology are a particularly compact and economical solution. The carbon-fibre reinforced plastic housing of these incremental encoders is, nevertheless, extremely robust and resistant. The compact incremental encoders type 3610 / 3620 with optical sensor technology are available with a resolution of up to 2500 ppr. The versions with hollow shaft

Sentrol Switches

GE Security 1275 series 3/8" DIA. wing fit magnetic contact is ideal for new construction applications, where wood swell poses a potential threat to the contact housing. The "wings" on the 1275 Series flex to hold the contact securely in place as the wood expands and contracts. The 1" contact fits most recessed applications. Housing is made of flame-retardant polypropylene. Ideal for use in green wood, where normal swelling can crush a reed contact.