7Measurement Tutorial
272 Keysight 34420A User’s Guide
Measurement Tutorial
The 34420A is capable of making highly accurate voltage, resistance or 
temperature measurements. In order to achieve the greatest accuracy, you must 
take the necessary steps to eliminate potential measurement errors.
This chapter is divided into two sections. The first section discusses the causes of 
measurement errors. The second section describes specific ways to use the meter 
to minimize measurement errors.
This chapter is divided into the following sections:
– “Measurement Techniques and Sources of Error” on page 273
“Voltage Measurements” on page 273
“Resistance Measurements” on page 283
“Temperature Measurements” on page 288
– “Cleaning the Connector Contacts” on page 297
– “Input Connector” on page 299
– “Obtaining Parts For the Input Connector” on page 300