Keithley DMM7510 Calibration Manual

Introduction ............................................................................................................... 1-1
Welcome .............................................................................................................................. 1-1
Introduction to this manual ................................................................................................... 1-1
Extended warranty ............................................................................................................... 1-2
Contact information .............................................................................................................. 1-2
Performance verification .......................................................................................... 2-1
Introduction .......................................................................................................................... 2-1
Factory service ..................................................................................................................... 2-2
Verification test requirements .............................................................................................. 2-2
Environmental conditions .......................................................................................................... 2-2
Warmup period .......................................................................................................................... 2-2
Line power................................................................................................................................. 2-2
Recommended test equipment ................................................................................................. 2-3
Auto calibration .................................................................................................................... 2-4
Running auto calibration ........................................................................................................... 2-4
Scheduling auto calibration ....................................................................................................... 2-5
Reviewing calibration information .............................................................................................. 2-6
Monitoring internal temperature ................................................................................................ 2-7
Verification limits .................................................................................................................. 2-8
Example reading limit calculation .............................................................................................. 2-8
Calculating resistance reading limits ......................................................................................... 2-8
Performing the verification test procedures ............................................................................... 2-9
Front-panel verification....................................................................................................... 2-10
DC voltage verification ............................................................................................................ 2-10
AC voltage verification ............................................................................................................ 2-13
Digitize voltage verification ...................................................................................................... 2-16
Analog trigger voltage verification ........................................................................................... 2-19
Analog trigger current verification ............................................................................................ 2-25
Frequency verification ............................................................................................................. 2-32
Simulated thermocouple type J temperature verification ......................................................... 2-33
Simulated RTD temperature verification ................................................................................. 2-34
Dry circuit resistance verification ............................................................................................. 2-37
Resistance verification ............................................................................................................ 2-40
DC current verification ............................................................................................................. 2-45
Digitize current verification ...................................................................................................... 2-51
AC current verification ............................................................................................................. 2-56
Capacitance verification .......................................................................................................... 2-58
Verifying zeros using a 4-wire short ........................................................................................ 2-62
Rear-panel verification ....................................................................................................... 2-63
DC current 10 A range verification .......................................................................................... 2-63
Digitize current 10 A range verification .................................................................................... 2-66
AC current 10 A verification..................................................................................................... 2-67
Calibration ................................................................................................................. 3-1
Introduction .......................................................................................................................... 3-1
Table of Contents

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