Keithley DMM6500 User Manual

Section
2: Performance verification DMM6500 6½-Digit Multimeter with Scanning
Calibration and Adjustment Manual
2-12 DMM6500-905-01 Rev. E June 2021
Verify the ac voltage 100 mV range
Nominal value Frequency Lower limit Upper limit
0.1
20 Hz
99.91
100.09
0.1
1 kHz
99.91
100.09
0.1
50 kHz
99.83
100.17
0.1
100 kHz
99.32
100.68
Verify the ac voltage 1 V range
Nominal value Frequency Lower limit Upper limit
1
20 Hz
.9991
1.0009
1 1 kHz .9991 1.0009
1
50 kHz
.9983
1.0017
1
100 kHz
.9932
1.0068
Verify the ac voltage 10 V range
Nominal value Frequency Lower limit Upper limit
10
20 Hz
9.991
10.009
10 1 kHz 9.991 10.009
10
50 kHz
9.983
10.017
10
100 kHz
9.932
10.068
Verify the ac voltage 100 V range
Nominal value Frequency Lower limit Upper limit
100
20 Hz
99.910
100.09
100
1 kHz
99.910
100.09
100
50 kHz
99.830
100.17
100
100 kHz
99.320
100.68
Verify ac voltage accuracy for the 750 V range
Use shielded low capacitance cabling. For the 750 V range, avoid cable capacitances of >150 pF.
Excessive capacitance may result in additional load regulation uncertainties and could cause the
calibrator output to open (go into standby).

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