---
type: product
schema_version: 1
stock_number: "85508-13"
canonical_url: "https://www.artisantg.com/85508-13/Varian-L8350-301"
json_url: "https://www.artisantg.com/85508-13/Varian-L8350-301.json"
generated_at: "2026-11-07T01:17:45.415Z"
last_updated: "2026-10-14T13:00:51.160-05:00"
---

# Varian L8350-301 Multi-Gauge Controller

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Varian
- Model: L8350-301
- Condition: Used and in Good Condition
- Price: $2,950.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 8 lb, estimated
- Shipping dimensions: 14X10X10 in, estimated

## Categories

- Lab & Analytical > Controllers (primary)

## Details

This unit has a scratched screen.

### Includes

- (3) L8321301 UHV Boards
- (1) L6430301 Thermocouple Board
- (1) L6439301 RS232 Interface Option Board

Input Voltage: 100/115/230 VAC

## Function

Thank you for providing the details about this Varian L8350-301 Multi-Gauge Controller. This is a vacuum measurement instrument commonly used in high and ultra-high vacuum applications.

**Key Information Summary:**
- **Model:** Varian L8350-301 Multi-Gauge Controller
- **Power:** Universal input (100/115/230 VAC)

**Included Components:**
- 3x L8321301 UHV (Ultra-High Vacuum) Boards
- 1x L6430301 Thermocouple Board
- 1x L6439301 RS232 Interface Option Board

**Notes:**
- The multiple UHV boards allow for monitoring several vacuum gauges simultaneously
- The thermocouple board enables measurement with thermocouple vacuum gauges
- RS232 interface provides computer connectivity for remote monitoring/control

## Images

- <https://www.artisantg.com/itemimages/varian_l8350_301_view1_202651110150.jpg>
- <https://www.artisantg.com/itemimages/varian_l8350_301_view2_202651110150.jpg>
- <https://www.artisantg.com/itemimages/varian_l8350_301_view3_202651110150.jpg>
- <https://www.artisantg.com/itemimages/varian_l8350_301_view4_202651110150.jpg>
- <https://www.artisantg.com/itemimages/varian_l8350_301_view5_202651110150.jpg>
