Check the listing for details. Electroswitch Oak-Grisby Inc. Rotary valve encoder - 94Q100-40-00 New. Condition: New – Open box. Listed at 38.98 USD. start_elivehelp_btncodeend_elivehelp_btncodeElectroswitch formerly Oak-Grisby 94Q100-40-11 Encoder, rotary. The 900 Series offers a full line of low cost, rugged optical encoders with incremental output. Well suited for industrial motion and position sensing, their low profile and high resolution also make them ideal for panel mounted applications. A two-channel quadrature code allows the encoder to detect the direction and magnitude of the input motion applied to its shaft.Optical. 100PPR, 3,000 RPM max. Two channel quadrature output. Style 2 Output: NC + A B. Mount: Panel Mount, 1/2" bushing and 1/4" SS shaft, ball bearing type, spins freely. Package: die cast housing, 1" square. Standard 4" 4-pin ribbon cable and connector. Compact, robust, economical. 100 million+ operations. New Old StockNote: Complete Specifications are attached, do not purchase if you are not familiar with this technology. Customer would cover return shipping cost and 20% restocking fee.