Specifications

2640A Specifications A

Table A-21. 2640A Thermocouple Specifications

Thermocouple

Type

Temperature ºC

 

 

Resolution

Slow

 

 

Accuracy ± ºC

 

 

 

 

 

 

 

 

 

 

 

18ºC to 28ºC

 

 

-10ºC to 60ºC

 

 

 

 

 

 

 

90 Day

 

1 Year

 

1 Year

 

 

 

 

 

 

 

 

Slow

 

Slow

 

Fast

 

Slow

Fast

 

 

 

 

 

 

 

 

J-100 to 80 80 to 230 230 to 760

K-100 to -25 -25 to 120 120 to 800 800 to 1372

N-100 to -25 -25 to 120 120 to 1000 1000 to 1300

E-100 to -25 -25 to 20

20 to 600

600 to 1000

T-100 to 0 0 to 150 150 to 400

R250 to 600

600 to 1500

1500 to 1767

S250 to 1000

1000 to 1400

1400 to 1767

B600 to 900

900 to 1200

1200 to 1820

C0 to 150

150 to 650

650 to 1000

1000 to 1800

1800 to 2316

.03

.02

.02

.04

.03

.03

.03

.05

.05

.04

.03

.03

.02

.02

.02

.04

.03

.02

0.1

0.1

0.1

0.1

0.1

0.1

0.2

0.2

0.1

0.2

0.1

.05

.05

.05

0.45

0.35

0.40

0.55

0.40

0.50

0.70

0.65

0.55

0.45

0.55

0.45

0.35

0.30

0.40

0.60

0.40

0.30

0.90

0.80

0.85

0.95

0.80

1.00

1.20

0.90

0.75

0.80

0.65

0.65

1.00

1.60

0.50

0.50

0.50

0.60

0.50

0.65

1.00

0.75

0.60

0.60

0.75

0.50

0.40

0.40

0.50

0.65

0.50

0.40

1.00

0.90

0.85

1.10

1.00

1.30

1.40

1.00

1.00

0.90

0.75

0.85

1.30

2.10

0.80

0.70

0.70

0.90

0.80

0.90

1.30

1.20

1.00

0.90

1.00

0.80

0.60

0.60

0.70

1.00

0.80

0.60

2.10

1.80

1.90

2.30

1.90

2.20

3.10

2.20

1.90

1.60

1.40

1.40

2.10

3.20

0.60

0.60

0.80

0.70

0.60

1.00

1.60

0.80

0.70

1.00

1.20

0.60

0.50

0.50

0.90

0.70

0.60

0.60

1.20

1.30

1.70

1.30

1.40

1.80

1.50

1.20

1.30

1.00

1.00

1.20

2.10

3.40

0.80

0.80

0.90

1.00

0.90

1.20

1.90

1.30

1.10

1.20

1.50

0.80

0.70

0.80

1.00

1.10

0.90

0.80

2.20

2.00

2.50

2.40

2.30

2.80

3.20

2.40

2.20

1.70

1.50

1.80

2.80

4.60

A-15

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Fluke 2640A, 2645A user manual Slow Fast

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.

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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.

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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.