Frequency Measurements, Input Sensitivity

2635A

Users Manual

2-Wire Accuracy

Add 4.0Ω to accuracy specifications for channels 1 to 20, and add 20 mΩ for channel 0. Lead wire resistances are not included.

300V dc or ac rms on all ranges

Cross-Talk Rejection

Refer to Appendix B.

Frequency Measurements

Resolution and Accuracy

See Table A-15.

Table A-15. Frequency Measurements-Resolution and Accuracy

Range

Resolution

Slow	Fast

Accuracy + (% ± Hz)

Slow	Fast

15 Hz - 900 Hz

9kHz

90kHz

900kHz

1MHz

0.01Hz 0.1 Hz 1 Hz 10 Hz 100 Hz

0.1Hz 1 Hz

10Hz 100 Hz

1kHz

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

Frequency Range

15 Hz to greater than 1 MHz

Input Sensitivity

See Table A-16.

Table A-16. Frequency Measurements - Input Sensitivity

Frequency

15 Hz - 100 kHz

100 kHz - 300 kHz

300 kHz - 1 MHz - Above 1 MHz

Level (sine wave)

100 mV rms

150 mV rms

2V rms

Not specified

A-12

2635A specifications

The Fluke 2635A is a highly advanced multichannel data acquisition system designed for engineers and technicians requiring precision and versatility in their measurement tasks. This instrument excels in monitoring and capturing data from various sources, making it a valuable tool in laboratories, production environments, and field applications.

One of the standout features of the Fluke 2635A is its ability to support up to 20 measurement channels. Users can simultaneously monitor multiple signals, which is crucial for complex testing scenarios where numerous variables need to be tracked. The device is equipped with a 6.5-digit precision measurement capability that ensures high accuracy and resolution in readings. This level of precision is particularly beneficial in applications such as environmental monitoring, research and development, and industrial process control.

The unit incorporates a variety of measurement modes, including voltage, current, temperature, and resistance, making it exceptionally versatile. The Fluke 2635A not only handles standard signals but also integrates with various transducers, providing extensive compatibility for users engaged in diverse testing applications.

To enhance data management, the Fluke 2635A offers advanced data logging capabilities. Data can be stored internally or transferred to external devices for further analysis. The internal memory can accommodate extensive datasets, which can be crucial in long-term monitoring tasks. Integration with external software enables users to analyze and visualize data effectively, allowing for informed decision-making based on comprehensive results.

The user interface is designed for ease of use, featuring a large, bright LCD display that clearly presents measurements and status information. The device is also equipped with a simple navigation system, allowing users to switch between channels and measurement types without hassle.

In terms of construction, the Fluke 2635A is built to withstand rigorous environments. It features a robust design that ensures reliability and durability, making it suitable for both laboratory settings and field operations. Furthermore, the device supports a wide temperature range, thus enabling usage in diverse conditions.

Overall, the Fluke 2635A is a powerful and flexible instrument that provides precise measurements across multiple channels, supporting a wide range of applications. Its advanced technology, combined with user-friendly features, makes it an essential tool for professionals in various fields. The combination of accuracy, flexibility, and durability solidifies its standing as a trusted choice for data acquisition and monitoring tasks.

Fluke Frequency Measurements, Input Sensitivity, 2635A Wire Accuracy, Resolution and Accuracy

Models: 2635A