# 3706 Keithley Switch Mainframe Used

**Additional Features:**

-   Multiplexer, matrix, and I/O cards
-   Relay closures automatically counted and stored in each card's onboard memory
-   Unlimited contact life with solid-state relay (Model 3724)
-   Automatic CJC for temperature measurements when used with screw terminal accessory (Models 3720, 3721, 3724)

**Optional Plug-In Cards:**

-   Model 3720 Dual 1x30 Multiplexer Card (auto CJC with 3720-ST)
-   Model 3721 Dual 1x20 Multiplexer Card (auto CJC with 3721-ST)
-   Model 3722 Dual 1x48, High Density, Multiplexer Card
-   Model 3723 Dual 1x30, High Speed, Reed Relay Multiplexer Card
-   Model 3724 Dual 1x30 FET Multiplexer Card (60 differential channels, automatic CJC with 3724-ST accessory)
-   Model 3730 6x16, High Density, Matrix Card
-   Model 3731 6x16 High Speed, Reed Relay, Matrix Card
-   Model 3732 Quad 4x28, Ultra-High Density, Reed Relay Matrix Card
-   Model 3740 32-channel Isolated Switch Card
-   Model 3750 Multifunction Control Card (40 digital I/O bits, 2 analog output channels, and 4 counters)

The Keithley 3706 offers scalable, instrument grade switching and multi-channel measurement solutions that are optimized for automated testing of electronic products and components.

The Keithley 3706 system switch with high performance digital multimeter (DMM) contains six slots for plug-in cards in a compact 2U high (3.5 inches/89mm) enclosure that easily accommodates the needs of medium to high channel count applications. When fully loaded, a mainframe can support up to 576 two-wire multiplexer channels for unrivaled density and economical per channel costs. The high performance multimeter provides a tightly integrated switch and measurement system that meets the demanding application requirements in a functional test system or provides the flexibility needed in stand-alone data acquisition and measurement applications.

## Details

- **Price:** 2780.0 USD
- **Vendor:** Keithley
- **Type:** Main Swi
- **Tags:** consignment-active, Keithley, Mainframe, Manufacturers, Other Equipment, Pre-Owned, product_manual_group_1, Product_used, Switch

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2780.00 USD | In stock |

## Images

- 3706 Keithley Switch Mainframe

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> Source: [ValueTronics](https://valuetronics.com/products/3706-keithley-switch-mainframe-used)
> Updated: 2026-05-28