Fluke 2640A/2645A Input/Output Capabilities, Table A-2 A/2645A Environmental Specifications

Models: 2645A 2640A

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2640A/2645A NetDAQ

Users Manual

Table A-2. 2640A/2645A Environmental Specifications

Specification

Warm-up Time

Operating Temperature

Storage Temperature

Relative Humidity

Altitude

Vibration

Shock

Characteristic

1hour to rated specifications -or- 15 minutes if relative humidity (non-condensing) is 50% or less.

-20°C to 60° C (-4°F to 140° F)

-40°C to +70°C (-40°F to +158°F)

90% maximum for -10°C to 28°C (14°F to 82.4°F)

75% maximum for 28°C to 35°C (82.4°F to 95°F)

50% maximum for 35°C to 60°C (95°F to 140°F)

(3 MΩ range, reduce humidity rating by 25% for 1 hour warm-up. 3 MΩ range meets full humidity ratings with 2 hour warm-up.)

Operating: 2,000m (6,561 ft) maximum

Non-operating: 12,200m (40,000 ft) maximum

0.7g at 15 Hz

1.3g at 25 Hz

3g at 55 Hz

30g half sine per Mil-T-28800E Bench handling per Mil-T-28800E

2640A/2645A Input/Output Capabilities

A-5.

The following specifications include the input/output functions, including the Digital I/O, Trigger Out, Trigger In, and Master Alarm output.

Digital I/O

A-6.

Table A-3 provides a summary of the Digital I/O specifications for the 8 Digital I/O lines (0 to 7). Digital I/O is located on the DIGITAL I/O connector, terminals 0 to 7, and GND.

Table A-3. 2640A/2645A DIGITAL I/O Specification

Specification

Maximum Input Voltage

Minimum Input Voltage

Isolation

Threshold

Hysteresis

Characteristic

30V

-4V

None (dc coupled)

1.4V

500 mV

A-4

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Fluke user manual 2640A/2645A Input/Output Capabilities, Table A-2 A/2645A Environmental 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.