Diagnostic Testing and Troubleshooting 2635A 5A-1

			Contents (continued)
	5-7.	Power Fail Detection	5-8
	5-8.	5-Volt Switching Supply	5-8
	5-9.	Inverter	5-9
	5-10.	Analog Troubleshooting	5-12
	5-11.	DC Volts Troubleshooting	5-17
	5-12.	AC Volts Troubleshooting	5-17
	5-13.	Ohms Troubleshooting	5-18
	5-14.	Digital Kernel Troubleshooting	5-19
	5-15. Digital and Alarm Output Troubleshooting		5-21
	5-16.	Digital Input Troubleshooting	5-21
	5-17.	Totalizer Troubleshooting	5-21
	5-18.	Display Assembly Troubleshooting	5-23
	5-19. Variations in the Display		5-25
	5-20.	Calibration Failures	5-26
	5-21.	Introduction	5-26
	5-22.	Calibration-Related Components	5-26
	5-23.	Retrieving Calibration Constants	5-28
	5-24.	Replacing the EEPROM (A1U1)	5-28
	5-25. IEEE-488 Interface PCA (A5) Troubleshooting		5-29
	5-26. Memory PCA (A6) Troubleshooting		5-29
	5-27.	Power-Up Problems	5-29
	5-28.	Failure to Detect Memory PCA	5-29
	5-29.	Failure to Store Data	5-29
5A	Diagnostic Testing and Troubleshooting (2635A)		5A-1
	5A-1.	Introduction	5A-3
	5A-2.	Servicing Surface-Mount Assemblies	5A-3
	5A-3.	Error Codes	5A-4
	5A-4.	General Troubleshooting Procedures	5A-6
	5A-5.	Power Supply Troubleshooting	5A-8
	5A-6.	Raw DC Supply	5A-8
	5A-7.	Power Fail Detection	5A-8
	5A-8.	5A-Volt Switching Supply	5A-8
	5A-9.	Inverter	5A-9
	5A-10. Analog Troubleshooting		5A-11
	5A-11.	DC Volts Troubleshooting	5A-16
	5A-12.	AC Volts Troubleshooting	5A-17
	5A-13.	Ohms Troubleshooting	5A-17
	5A-14. Digital Kernel Troubleshooting		5A-18
	5A-15. Digital and Alarm Output Troubleshooting		5A-21
	5A-16. Digital Input Troubleshooting		5A-21
	5A-17. Totalizer Troubleshooting		5A-23
	5A-18. Display Assembly Troubleshooting		5A-23
	5A-19. Variations in the Display		5A-26
	5A-20. Calibration Failures		5A-27
	5A-21.	Introduction	5A-27
	5A-22.	Calibration-Related Components	5A-27
	5A-23.	Retrieving Calibration Constants	5A-29
	5A-24.	Replacing the Flash Memory (A1U14 and A1U16)	5A-29
	5A-25. Memory Card I/F PCA (A6) Troubleshooting		5A-30
	5A-26.	Power-Up Problems	5A-30
	5A-27.	Failure to Detect Memory Card I/F PCA	5A-30
	5A-28.	Failure to Detect Insertion of Memory Card	5A-31
	5A-29.	Failure to Power Card / Illuminate the Busy Led	5A-31

2635A, 2625A specifications

The Fluke 2625A is a sophisticated data logger designed for a wide range of industrial and laboratory applications. This versatile instrument excels in capturing and monitoring temperature and voltage measurements with precision and reliability. One of its standout features is its ability to record data from various sensors, making it ideal for environments where comprehensive data acquisition is critical.

Equipped with a large LCD display, the Fluke 2625A provides clear and user-friendly access to real-time measurement data. Its graphical interface allows users to visualize trends and monitor readings easily, which significantly enhances usability. The device supports a variety of input types and can connect to thermocouples, RTDs, and other sensors, offering great flexibility for various measurement tasks.

The Fluke 2625A employs advanced measurement technologies that ensure accuracy in data logging. With a high sampling rate, it captures fast-changing signals while maintaining data integrity. The device features a built-in memory that allows for extensive logging, accommodating long-term monitoring tasks without requiring constant oversight. Users can set it to log data at specified intervals, offering customizable solutions for different monitoring needs.

Another significant characteristic of the Fluke 2625A is its robust communication capabilities. The device supports USB and RS-232 interfaces for easy connectivity with computers and other devices, making data transfer and analysis seamless. This feature is especially beneficial for users who need to compile or analyze large sets of data quickly.

Furthermore, the Fluke 2625A is designed with durability in mind. Its rugged construction makes it suitable for challenging environments, including those with high levels of vibration, dust, or moisture. This reliability ensures that the device can withstand the rigors of fieldwork while still delivering accurate measurements.

In summary, the Fluke 2625A is a powerful data logger that combines versatility, accuracy, and reliability. Its user-friendly interface, advanced measurement technologies, and robust design make it an essential tool for professionals in various industries, from manufacturing and HVAC to research and development. Whether monitoring temperature changes in a laboratory or assessing voltage levels in an industrial setting, the Fluke 2625A stands out as a trusted solution for effective data logging and analysis.

Fluke 2625A service manual Diagnostic Testing and Troubleshooting 2635A 5A-1

Models: 2635A 2625A

Diagnostic Testing and Troubleshooting (2635A)

5A-1

2635A, 2625A specifications