Keithley 2700 User Manual

Model 2700 Multimeter/Switch System User’s Manual Close/Open Switching Module Channels 2-19
OPEN key
The OPEN key has two options to open channels: ALL and MULTI. The ALL option
simply opens all channels in the mainframe. The MULTI option opens only the specified
channel. All other closed channels remain closed.
Figure 2-7 summarizes OPEN key
operation.
OPEN: ALL — Perform the following steps to open all channels in the mainframe:
1. Press the OPEN key to display “OPEN: ALL.”
2. Press OPEN again (or press ENTER) to open all channels.
OPEN: MULTI — Perform the following steps to open only the specified channel:
1. Press the OPEN key. The “OPEN: ALL” message will be displayed.
2. Press the Δ or ∇ key to display the “OPEN: MULTI” message.
3. Press ENTER to display the prompt to open a channel (OPEN MLT:XXX).
4. Using , , Δ, and ∇, key in the three-digit channel you want to select.
5. Press ENTER to open the channel.
NOTE If the channel you open using OPEN: MULTI is the system channel (channel
number displayed on the Model 2700), the channel will open, but the system
channel number will still be displayed (see
“Multiple channel operation
anomalies,” page 2-22).
Figure 2-7
Multiple channel operation — opening one or all channels
CLOSEOPEN
Press OPEN key
OPEN: MULTI
OPEN: ALL
Display MULTI option
and press ENTER
OPEN MULT:XXX
Specify channel number
(XXX) and press ENTER
Display ALL option
and press OPEN again

Keithley 2700 Specifications

General

Type	Digital Multimeter
Measurement Functions	DC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Temperature
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 500 kHz
Temperature Range	-200°C to +1372°C
Display	Vacuum Fluorescent Display
Connectivity	IEEE-488, RS-232
Channels	10
Power Supply	100V to 240V AC, 45Hz to 66Hz
DC Current Range	10 µA to 3 A
AC Current Range	10 µA to 3 A
Temperature Measurement	Thermocouple, RTD