Baldor manufactures Tachometers/ Feedback Devices. Baldor`s Tachometers/ Feedback Devices are available in 50 or 100 Volt/ 1000 RPM DC in choice of PY flange or base mount; XC42 or 46 foot and face; 8.5 inch rabbet pancake style AC or DC output; PY flange encoder and hallow shaft encoders and pulse generators.