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.