Keithley 2700 User Manual

Model 2700 Multimeter/Switch System User’s Manual Signal Processing Sequence and Data Flow D-3
Signal processing using instrument features
Figure D-2 shows the processing sequence for an input signal with various instrument
features enabled. If a feature is not enabled, the reading simply falls through to the next
enabled feature or to the display.
Figure D-2
Signal processing using instrument features
Input Signal
Rel
Math
(mX+b, Percent
or Reciprocal)
Rel’ed reading = Reading - Rel value
Y = mX + b
Percent = ————––—–
X - Reference
Reference
100%
Reciprocal = 1/ X
Limits
Filter
Buffer
Display
Reading
Recall
OComp
OComp reading = ΔV/ΔI
A/D
Conversion
Process
Store
Signal
Conditioning
Output trigger pulse (VMC)
Moving or Repeating

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