Keithley DMM6500 Calibration Manual

Model DMM6500 6½-Digit Multimeter with Scanning Calibration and Adjustment Manual Section 3: Adjustment
DMM6500-905-01 Rev. A/July 2018 3-7
Prepare your DMM6500 for a front-terminal adjustment with a 4-wire short
To prepare the DMM6500 for a front-terminal adjustment with a 4-wire short:
1. Set the TERMINALS switch to FRONT.
2. Install the Keithley Model 8610 or 8620 shorting plug on the front terminals of the DMM6500 as
shown in the figure below.
The shorting plug terminals must be connected so that HI and LO are correctly aligned. Zero
accuracy will be affected if the shorting plug terminals are not aligned correctly.
Figure 22: Connection for a front-panel adjustment with a 4-wire short
3. Allow to settle for five minutes.
Command parameters for a front-terminal adjustment with a 4-wire short
When calibrating your DMM6500 for a front-terminal adjustment with a 4-wire short, use the following
command parameters.
Send each command parameter twice. First, send the parameter using the setup command.
Second, send the parameter using the execute command.
The example code below uses the first command parameter from the table below. Send all command
parameters using this command.
cal.adjust.step.setup("cal_DCV_100mV_zero_front")
cal.adjust.step.execute("cal_DCV_100mV_zero_front")

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