Model 2701 User’s Manual Getting Started 1-7
Carrying case
Model 1050 padded carrying case — A carrying case for the Model 2701 includes
handles and shoulder strap.
Model 2701 features
Model 2701 is a 6½-digit high-performance multimeter/data acquisition system. It can
measure voltage (DC and AC), current (DC and AC), resistance (2- and 4-wire),
temperature (thermocouple, thermistor, and 4-wire RTD), frequency and period, and test
continuity.
The Model 2701 has two slots that will accommodate Keithley Model 7700 series switch-
ing modules (Table 1-1). Each channel of a switching module that is closed or scanned is
measured by the Model 2701. For scanning, each channel can have its own unique setup
(i.e., function, range, digits, etc.).
More information on the measurement capabilities of the Model 2701 is provided in
“DMM measurement capabilities,” page 3-2. A connection guide for the Model 7700 is
provided in Appendix B. Specifications for the Model 2701 and 7700 switching module
are provided in Appendix A.
Additional features of Model 2701 include:
• Setup storage — Seven instrument setups (five user, *RST defaults, and factory
defaults) can be saved and recalled.
• Offset-compensated ohms — A two-measurement process for 4-wire ohms to
cancel the effects of thermal EMFs. Available for the 100Ω, 1kΩ, and 10kΩ ranges.
• Math — mX+b, percent, and reciprocal (1/X) calculations provide mathematical
manipulation of readings.
• Relative — Null offsets or establish baseline values.
• Ratio and channel average — Ratio and average calculations for two switching
module channels.
• Buffer — Store up to 450,000 readings in the internal buffer.
• Limits — Two sets of high and low reading limits to test devices.
• Digital I/O port — Five digital limit test output lines to control external circuitry.
The digital trigger link and hardware interlock input can also be accessed at this
port.
• Monitor — The Model 2701 can monitor a selected channel. A scan can be trig-
gered to start when the Monitor detects a reached reading limit.
• Remote interface — Model 2701 can be controlled using the 10BaseT and
100BaseTX autosensing Ethernet or the RS-232 interface.
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