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General| Type | Nanovoltmeter |
|---|---|
| Input Impedance | >10 GΩ |
| Display | LCD |
| Input Resistance | >10 GΩ |
| Reading Rate | 1000 readings/second |
| Interface | GPIB |
| Power Supply | 100-240 VAC |
Overview of verifying instrument accuracy against specifications.
Lists conditions and prerequisites for performing verification tests.
Specifies ambient temperature and humidity for verification.
Lists essential test equipment for performance verification.
Steps to perform auto-calibration before verification.
Procedure to verify voltage measurement accuracy.
Procedure to verify temperature measurement accuracy.
Procedure to verify the accuracy of the analog output signal.
Overview of calibration, conditions, and important considerations.
How to access and navigate the calibration menu items.
Procedure to enter the calibration unlock code via the front panel.
Procedure to unlock calibration using remote commands.
Steps for performing standard field calibration.
Procedures for factory calibration, typically after repair.
Overview of troubleshooting, repair considerations, and front panel tests.
Important notes before attempting repairs, including PC-board handling.
Tests for front panel keys and display functionality.
Explanation of internal circuitry to aid troubleshooting.
Tables for checking digital and analog circuit components and signals.
Troubleshooting steps for communication errors between processors.
Procedures for handling PC boards and static-sensitive devices.
Steps for removing case, motherboard, and power components.
Procedure for replacing the main CPU firmware (EPROMs).
Lists electrical and mechanical parts, and ordering information.
References to drawings showing component locations on circuit boards.
Detailed list of components on the motherboard with part numbers.
List of mechanical parts with Keithley part numbers.
Detailed accuracy for voltage measurements and noise performance.
Temperature accuracy, operating characteristics, and system speeds.
Details on linearity, autozero, input impedance, and protection.
Overall specs including power, environment, warranty, and safety.
Lists and describes remote calibration commands and constants.
Describes commands for executing specific calibration steps.
Methods for detecting calibration errors and step completion.
Computer/software requirements and essential calibration equipment.
Instructions for setting up and running the BASIC calibration program.
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