NOTES:

UNLESS OTHERWISE SPECIFIED.

1.ALL CAPACITOR VALUES ARE IN MICROFARADS.

M1

1M 2

23

35

6

7

8

9

4

11

11

13

10

15

14

1

13

6

12

8

15

4

5

2

9

14

712

10

 

RV3

RV4

TB2

910V

910V

1CH1_HI

2CH1_LO

4CH2_HI

5CH2 _ LO

6CH3_HI

7CH3 _ LO

8CH4_HI

9CH4 _ LO

10CH5_HI

11CH5 _ LO

12CH6_HI

13CH6 _ LO

14CH7_HI

15CH7 _ LO

16CH8_HI

17CH8 _ LO

18CH9_HI

19CH9 _ LO

2 0

CH10_HI

21

CH10_LO

 

RV1

 

RV2

 

910V

TB1

910V

1CH11_HI

2CH11_LO

4CH12_HI

5CH12_LO

6CH13_HI

7CH13_LO

8CH14_HI

9CH14_LO

10CH15_HI

11CH15_LO

12CH16_HI

13CH16_LO

14CH17_HI

15CH17_LO

16CH18_HI

17CH18_LO

18CH19_HI

19CH19_LO

20 CH20_HI CH20_LO

R1

5.49K

R3

 

50K

 

25PPM/C

W

 

C

R2

VR1

10K

LM385-2.5

25PPM/C

 

Q1

C1

STS1018

1000PF

Schematic Diagrams 8

P1

CH1_HI

A 6

CH1_LO

C 6

CH2_HI

A10

CH2 _ LO

C10

CH3_HI

A12

CH3 _ LO

A14

CH4_HI

B15

CH4 _ LO

A16

CH5_HI

C18

CH5 _ LO

A18

CH6_HI

B21

CH6 _ LO

A22

CH7_HI

B 2 3

CH7 _ LO

C 2 4

CH8_HI

B 2 5

CH8 _ LO

B 2 7

CH9_HI

C 2 8

CH9 _ LO

C 3 0

CH10_HI

C 3 2

CH10_LO

B31

CH11_HI

A 4

CH11_LO

C 4

CH12_HI

A 8

CH12_LO

C 8

CH13_HI

C12

CH13_LO

B13

CH14_HI

C14

CH14_LO

C16

CH15_HI

B17

CH15_LO

B19

CH16_HI

A20

CH16_LO

C 2 0

CH17_HI

C 2 2

CH17_LO

A24

CH18_HI

C 2 6

CH18_LO

A26

CH19_HI

B 2 9

CH19_LO

A28

CH20_HI

A30

CH20_LO

A32

 

B11

B 9

B 7

B 5

B 3

B1

A 2

C 2

P2

RGRD A10

B10

CB2 A 9

B9 A 8

B 8

CB1 A 7

B7 A 6

B 6

VDD A 5

B5 A 4 B 4

AGND2

A 3

 

AGND1

B 3

 

A 2

 

SHLD

B 2

 

A1

 

 

B1

2620A-1004

 

 

s84f.eps

Figure 8-5. A4 Analog Input PCA (cont)

8-21

Page 302 Page 304
Page 303
Image 303
Fluke 2625A, 2635A service manual 2620A-1004
Page 302 Page 304

2635A, 2625A specifications

The Fluke 2625A is a sophisticated data logger designed for a wide range of industrial and laboratory applications. This versatile instrument excels in capturing and monitoring temperature and voltage measurements with precision and reliability. One of its standout features is its ability to record data from various sensors, making it ideal for environments where comprehensive data acquisition is critical.

Equipped with a large LCD display, the Fluke 2625A provides clear and user-friendly access to real-time measurement data. Its graphical interface allows users to visualize trends and monitor readings easily, which significantly enhances usability. The device supports a variety of input types and can connect to thermocouples, RTDs, and other sensors, offering great flexibility for various measurement tasks.

The Fluke 2625A employs advanced measurement technologies that ensure accuracy in data logging. With a high sampling rate, it captures fast-changing signals while maintaining data integrity. The device features a built-in memory that allows for extensive logging, accommodating long-term monitoring tasks without requiring constant oversight. Users can set it to log data at specified intervals, offering customizable solutions for different monitoring needs.

Another significant characteristic of the Fluke 2625A is its robust communication capabilities. The device supports USB and RS-232 interfaces for easy connectivity with computers and other devices, making data transfer and analysis seamless. This feature is especially beneficial for users who need to compile or analyze large sets of data quickly.

Furthermore, the Fluke 2625A is designed with durability in mind. Its rugged construction makes it suitable for challenging environments, including those with high levels of vibration, dust, or moisture. This reliability ensures that the device can withstand the rigors of fieldwork while still delivering accurate measurements.

In summary, the Fluke 2625A is a powerful data logger that combines versatility, accuracy, and reliability. Its user-friendly interface, advanced measurement technologies, and robust design make it an essential tool for professionals in various industries, from manufacturing and HVAC to research and development. Whether monitoring temperature changes in a laboratory or assessing voltage levels in an industrial setting, the Fluke 2625A stands out as a trusted solution for effective data logging and analysis.
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