Specifications

2645A Specifications A

2645A Frequency Measurement Specifications

A-28.

Tables A-37 to A-38 provide 2645A specifications for the frequency measurement function.

Table A-37. 2645A Frequency Accuracy Specifications

 

Frequency Measurement Accuracy, 1 Year, -10ºC to 60ºC

 

 

 

 

Range

 

Resolution

Accuracy + (% input + Hz)

 

 

 

Slow

Fast

Slow

Fast

15 Hz to 900 Hz

900 Hz to 9 kHz

9 kHz to 90 kHz

90 kHz to 900 kHz

1 MHz

0.01Hz

0.1Hz

1 Hz

10 Hz

100 Hz

0.1Hz

1 Hz

10 Hz

100 Hz

1 kHz

0.05%+0.02 Hz

0.05%+0.1 Hz

0.05%+1 Hz

0.05%+10 Hz

0.05%+100 Hz

0.05%+0.2 Hz

0.05%+1 Hz

0.05%+10 Hz

0.05%+100 Hz

0.05%+1 kHz

Table A-38. 2645A Frequency Sensitivity Specifications

Frequency Measurement Sensitivity (Sine Wave)

Frequency Range

Minimum Signal

Maximum Signal

 

 

 

15 Hz to 70 kHz

70 kHz to 100 kHz

100 kHz to 200 kHz

200 kHz to 300 kHz

300 kHz to 1 MHz

100 mV rms

30V rms

 

 

100 mV rms

20V rms

 

 

150 mV rms

10V rms

 

 

150 mV rms

7V rms

 

 

Linearly increasing from 150V

Linearly decreasing from 7V

ms at 300 kHz to 2V rms at 1

rms at 300 kHz to 2V rms at 1

MHz

MHz

 

 

A-25

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Fluke 2640A user manual 2645A Frequency Measurement Specifications

2645A, 2640A specifications

The Fluke 2640A and 2645A are advanced bench multimeters that represent a significant leap in measurement technology, designed primarily for electrical engineers and technicians who require precision and reliability in their readings. These multimeters are built to cater to complex applications in manufacturing, research, and development.

One of the standout features of the Fluke 2640A and 2645A is their high accuracy. With specifications that can reach up to 0.0035% DC Voltage accuracy, users can trust that their measurements will be consistent and precise. This is especially critical in fields like automated test equipment (ATE) where exact measurements can be crucial for product quality and safety.

Both models incorporate a large, easy-to-read display, making it convenient for users to view measurement results clearly from a distance. They also feature a wide measurement range, capable of handling a variety of tasks, from basic voltage and current measurements to more complex tasks such as resistance and temperature measurements with appropriate sensors.

The multimeters also stand out with their advanced data logging capabilities. The Fluke 2645A, for instance, can store up to 10,000 readings, allowing for extensive data collection and analysis without the need for constant monitoring. This is beneficial for long-term studies or processes that require continual oversight.

Connectivity is another key characteristic. Both the 2640A and 2645A support USB and RS-232 interfaces, which enable easy integration with computers and other devices for seamless data transfer. This feature is important for engineers who rely on software for data analysis and visualization.

Another notable technology included in these models is the Fluke Connect app compatibility, which allows users to remotely monitor measurements from their smartphones or tablets. This capability provides added flexibility, enabling technicians to work hands-free while still keeping an eye on process measurements.

Additionally, the Fluke 2645A comes with a graphical display option, allowing users to visualize measurement trends over time. This graphical representation can be invaluable for diagnosing issues or observing patterns in data.

In conclusion, the Fluke 2640A and 2645A multimeters offer exceptional performance with their high accuracy, extensive data logging, connectivity options, and advanced visualization capabilities. These features make them indispensable tools for professionals in a variety of fields, ensuring that they can achieve reliable results in their measurement endeavors.