

The Graco 121511 Sensor, Capacitive, 18 mm, QCK Disc is a compact capacitive sensor with a quick‑disconnect installation, designed for accurate presence or position detection in fluid handling systems.
| Part Number | Graco 121511 |
|---|---|
| Type | Capacitive Sensor |
| Diameter | 18 mm |
| Connector | Quick‑Disconnect (QCK) |
| Use | Material presence/position detection |
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