The Keithley 3706 is a six-slot system switch mainframe with an integrated high-performance digital multimeter (DMM) option, part of the Series 3700. It provides scalable, instrument-grade switching and multi-channel measurement solutions, optimized for automated testing and data acquisition applications.

Specifications

General

ParameterValue
DisplayGraphic vacuum fluorescent display (VFD), monochrome

General System Specifications

ParameterValue
System TypeSystem Switch Mainframe with Integrated DMM
Number of Slots6
Integrated DMM ResolutionUp to 7.5 digits (26-bit)
Integrated DMM Measurement FunctionsDCV, ACV, DCI, ACI, Frequency, Period, 2-wire Ohms, 4-wire Ohms, 3-wire RTD Temperature, 4-wire RTD Temperature, Thermocouple Temperature, Thermistor Temperature, Continuity
LXI Compliance ClassClass C

Integrated Digital Multimeter (DMM) Specifications

ParameterValue
DC Voltage Ranges100 mV, 1 V, 10 V, 100 V, 1000 V
AC Voltage Ranges100 mV, 1 V, 10 V, 100 V, 750 V

Measurement Performance

ParameterValue
Triggering ModesInternal, External, Bus, Timer

Connectivity & Interfaces

ParameterValue
Digital I/O Lines6 TTL-compatible lines
Trigger Link Interface6 lines

Programming & Software

ParameterValue
Programming Language CompatibilitySCPI
Remote Control CapabilitiesTest Script Processor (TSP) scripting, SCPI commands, IVI drivers

Environmental & Safety

ParameterValue
Operating Humidity Range5% to 80% RH, non-condensing (up to 35 °C); 5% to 50% RH, non-condensing (35 °C to 50 °C)
Storage Temperature Range-25 °C to +65 °C
Operating AltitudeUp to 2000 m
Pollution Degree2
Safety ComplianceEN 61010-1, UL 61010-1, CAN/CSA C22.2 No. 61010-1
EMC ComplianceEN 61326-1, FCC Part 15 Class A, ICES-003 Class A
Calibration Interval1 year

Physical & Power

ParameterValue
Rack Mount KitOptional

Integrated DMM

ParameterValue
Thermocouple Types SupportedK, J, T, E, N, R, S, B
RTD Types Supported (2-, 3-, 4-wire)100 Ω (Pt385, Pt392), 1000 Ω (Pt385)

Interfaces

ParameterValue
Ethernet Port Speed10/100BASE-T
GPIB StandardIEEE 488.1, IEEE 488.2

Power

ParameterValue
AC Line Voltage Range100 V - 240 V
AC Line Frequency Range50 Hz - 60 Hz

Switching System Performance

ParameterValue
Mainframe Max Switch Voltage±300 VDC, 300 VAC peak

Technology

Data Acquisition (DAQ)

Applications

Automated Test, Data Acquisition, Functional Test, Burn-in and Accelerated Life Testing, Environmental Monitoring, Failure Analysis, Automotive Testing