Fluke 2645A, 2640A user manual 289.861Ω 89849 kΩ 28.9834 kΩ 289.621 kΩ

Models: 2645A 2640A

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2640A/2645A NetDAQ

Users Manual

4.Verify Accuracy Configure the Decade Resistance Source for the output values below and verify the Spy window measurement is between the minimum and maximum values. Change the channel 1 range as required (see Step 2).

Resistance Range

300Ω

300Ω

3kΩ

3kΩ

30 kΩ

300 kΩ

Decade Resistor

Short Circuit (Zero)

290Ω

Short Circuit (Zero)

2.9 kΩ

29 kΩ

290 kΩ

Minimum Reading

0Ω

289.861Ω

0Ω

2.89849 kΩ

28.9834 kΩ

289.621 kΩ

Maximum Reading

0.05Ω

290.139Ω

0.5Ω

2.90137 kΩ

29.0166 kΩ

290.379 kΩ

3 MΩ

2.9 MΩ

2.89146 MΩ

2.90854 MΩ

 

 

 

 

The resistance accuracy in this table makes allowance for up to 0.01% decade resistance tolerance.

Resistance Range

300Ω

300Ω

3kΩ

3kΩ

30 kΩ

300kΩ

3MΩ

5700A

Short Circuit (Zero)

190Ω

Short Circuit (Zero)

1.9 kΩ

19 kΩ

190 kΩ

1.9 MΩ

Minimum Reading

0Ω

189.912Ω

0Ω

1.89912 kΩ

18.9893 kΩ

189.750 kΩ

1.89425 MΩ

Maximum Reading

0.030Ω

190.088Ω

0.30Ω

1.90088 kΩ

19.0107 kΩ

190.250 kΩ

1.90575 MΩ

5.Close Spy Window.

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Fluke 2645A, 2640A user manual 289.861Ω 89849 kΩ 28.9834 kΩ 289.621 kΩ

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.