Bailey 820 Line of controller cards, RY2221 Dual Edgewise Meters.
The Bailey Controls RY2221 (often listed as the RY2221X) is a legacy industrial analog indicator and edgewise panel meter originally manufactured by Bailey Meter Company (now part of ABB).
Key details about this hardware include:
- Function: It is a Series 15 vertical edgewise indicator module used in control panels to display process variables, flow metrics, or signal readings.
- Design: Designed for high-density panel mounting, it provides an illuminated visual display of real-time measurements in industrial control or boiler room environments.