Keithley DMM7510 Reference Manual

Model DMM7510
7½ Digit Graphical Sampling Multimeter Reference Manual Section 8:
TSP command reference
DMM7510-901-01 Rev. B / May 2015 8-233
Attribute Description
bufferVar.dates
The dates of readings stored in the reading buffer; see
bufferVar.dates (on page 8-25)
bufferVar.extravalues
The additional values (such as the sense voltage from a DC voltage
ratio measurement); the reading buffer style must be set to full to
use this option; see bufferVar.extravalues (on page 8-27)
bufferVar.formattedreadings
The stored readings formatted as they appear on the front-panel
display; see bufferVar.formattedreadings (on page 8-29)
bufferVar.fractionalseconds
The fractional portion of the timestamp (in seconds) of when each
reading occurred; see bufferVar.fractionalseconds (on page 8-30)
bufferVar.readings
The readings stored in a specified reading buffer; see
bufferVar.readings (on page 8-33
)
bufferVar.relativetimestamps
The timestamps, in seconds, when each reading occurred relative
to the timestamp of reading buffer entry number 1; see
bufferVar.relativetimestamps (on page 8-34
)
bufferVar.seconds
The nonfractional seconds portion of the timestamp when the
reading was stored in UTC format; see bufferVar.seconds (on page
8-35)
bufferVar.statuses
The status values of readings in the reading buffer; see
bufferVar.statuses (on page 8-37)
bufferVar.times
The time when the instrument made the readings; see
bufferVar.times (on page 8-38)
bufferVar.timestamps
The timestamps of readings stored in the reading buffer; see
bufferVar.timestamps (on page 8-39)
bufferVar.units
The unit of measure that is stored with readings in the reading
buffer; see bufferVar.units (on page 8-41)
Example 1
reset()
dmm.measure.func = dmm.FUNC_DC_CURRENT
testData = buffer.make(200)
format.data = format.ASCII
format.asciiprecision = 6
trigger.model.load("SimpleLoop", 6, 0, testData)
trigger.model.initiate()
waitcomplete()
printbuffer(1, testData.n, testData.readings, testData.units,
testData.relativetimestamps)
Reset the instrument.
Set the measure function to DC current.
Set the data format and ASCII precision.
Use trigger model SimpleLoop to create a 6 count loop with no delays that stores data in the reading buffer
testBuffer.
Start the trigger model, wait for the commands to complete, and output the readings.
Use of testData.n (bufferVar.n) indicates that the instrument should output all readings in the reading
buffer. In this example, testBuffer.n equals 6.
Example of output data:
1.10458e-11, Amp DC, 0.00000e+00, 1.19908e-11, Amp DC, 1.01858e-01, 1.19908e-11, Amp DC,
2.03718e-01, 1.20325e-11, Amp DC, 3.05581e-01, 1.20603e-11, Amp DC, 4.07440e-01, 1.20325e-
11, Amp DC, 5.09299e-01

Keithley DMM7510 Specifications

General

Resolution	7.5 digits
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
DC Current Range	10 µA to 10 A
Resistance Range	10 Ω to 1 GΩ
Sampling Rate	1 MS/s
Memory	27.5 million readings
Display	5 inch capacitive touchscreen
AC Voltage Accuracy	±0.06% of reading
AC Current Range	10 A
Connectivity	USB, LAN, GPIB