Keithley DMM6500 User Manual

Section
4: TSP command reference DMM6500 6½-Digit Multimeter with Scanning
Calibration and Adjustment Manual
4-10 DMM6500-905-01 Rev. E June 2021
cal.verify.date
This attribute contains the date of the last calibration verification.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (RW)
Yes
Not applicable
Nonvolatile memory
Not applicable
Usage
verifyDate = cal.verify.date
cal.verify.date = os.time({year = year, month = month, day = day})
cal.verify.date = os.time({year = year, month = month, day = day, hour = hour, min =
minute, sec = second})
verifyDate
The date when the last verification occurred
year
Year; must be more than 1970
month
Month (1 to 12)
day
Day (1 to 31)
hour
Hour in 24-hour time format (0 to 23)
minute
Minute (0 to 59)
second
Second (0 to 59)
Details
The date and time is returned in the format:
MMM DD YYYY HH:MM:SS.NNN
Where:
• MMM DD YYYY is the month, date, and year
• HH:MM:SS.NNN is the hour, minute, second, and fractional second
You can read this command if calibration is locked or unlocked. To set the date and time, calibration
must be unlocked.
When using the os.time() function, if no parameters are specified, the current date and time of the
instrument is used.
The verification date is also available from the front panel:
1. Press the MENU key.
2. Select Calibration.
3. The verification date is displayed as the Calibration Date.

Keithley DMM6500 Specifications

General

Resolution	6.5 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
AC Current Range	10 µA to 10 A
Temperature Range	-200 °C to 1820 °C
Display	5-inch capacitive touch screen
Resistance Range	100 MΩ
Frequency Range	3 Hz
Sampling Rate	1 MS/s
Connectivity	USB, LAN, GPIB (optional), TSP-Link
Memory	7 million readings