DC Voltage Inputs

2620A/2625A

Users Manual

Range

300mV

3 V

30V 300 V

	Resolution

Slow		Fast
10 μV		0.1 mV
0.1 mV		1 mV
0.1 mV		1 mV
1 mV		10 mV
1 mV		10 mV
10 mV		0.1 V
10 mV		0.1 V

Accuracy ± (% ± V)

Range

18°C to 28°C

0°C to 60°C

		90 Days, Slow

	300 mV	0.018% + 20 µV
	3V	0.019% + 0.2 mV
	3V	0.019% + 0.2 mV
	30V	0.019% + 2 mV
	30V	0.019% + 2 mV

150/300V 0.019% + 20 mV

1 Year, Slow

0.023% + 20 µV

0.024% + 0.2 mV

0.024% + 2 mV

0.024% + 20 mV

1 Year, Fast

0.040% + 0.2 mV

0.041% + 2 mV

0.041% + 20 mV

0.041% + 0.2V

1 Year, Slow

0.067% + 20 µV

0.065% + 0.2 mV

0.086% + 2 mV

0.087% + 20 mV

1 Year, Fast

0.084% + 0.2 mV

0.082% + 2 mV

0.103% + 20 mV

0.104% + 0.2V

Input Impedance

100 Me minimum in parallel with 150 pF maximum for all ranges 3V and below 10 Me in parallel with 100 pF maximum for the 30V and 300V ranges

Normal Mode Rejection

53 dB minimum at 60 Hz ±0.1%, slow rate

47 dB minimum at 50 Hz ±0.1%, slow rate

Common Mode Rejection

120 dB minimum at dc, 1 ke imbalance, slow rate

120 dB minimum at 50 or 60 Hz ±0.1%, 1 ke imbalance, slow rate

Maximum Input

300V dc or ac rms on any range for channels 0,1, and 11 150V dc or ac rms for channels 2 to 10 and 12 to 20

Cross-Talk Rejection

Refer to Appendix D

A-2

2625A, 2620A 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, 2620A user manual DC Voltage Inputs

Models: 2625A 2620A

2620A/2625A