$149.99
Included with the controller is a connection cable, ensuring seamless integration with compatible vacuum gauges and systems. Its durable construction and precise electronics make it a trusted choice for process control and system monitoring.
This listing is for a used Varian Convectorr GA vacuum gauge controller, model L9104-303. This instrument is designed to read and control vacuum levels in industrial or laboratory vacuum systems, typically used with Convectron gauge tubes. A cable is included.
Condition & Details
Condition: Used. The item has been used previously.
Operational Status: According to the seller’s notes: “It was removed in working condition.”
Cosmetic Condition: Used. The seller notes “This item shows signs of wear and scratches.” Please refer to the photos in the original eBay listing for a visual representation of the exact item’s physical condition.
Brand: Varian
Model: L9104-303
Type: Vacuum Gauge Controller
Electrical Specifications: 115 VAC, 60 Hz
Includes: Cable (as noted in the title).
MPN: L9104-303
Country of Origin: United States
What You Are Purchasing
You are purchasing the exact used Varian Convectorr GA vacuum gauge controller (L9104-303) and the cable shown in the listing. This is a piece of pre-owned vacuum system instrumentation being resold. It is not new, and we are not the manufacturer.
Important Note on Functionality
The unit was reported to be working when removed from service. Its full operational accuracy and compatibility with specific gauge tubes should be verified by a qualified technician before being used for critical vacuum measurements.
Seller Notes
Source: Listed by seller industrialcityinc.

















