Schematic Diagrams 8

 

 

 

 

CR1

RT1

 

 

 

 

 

 

 

 

D CH

 

 

 

 

 

 

 

RAW

SUPPLY

 

MBRD360

RXE065

 

 

 

 

 

 

 

C59

 

 

 

 

 

 

 

180PF

 

 

 

 

 

 

 

DCL

 

 

1/8A SB

T401

J3

CR3

 

 

 

 

 

3

 

 

 

 

L

 

 

 

 

 

 

 

 

1N5397

S1O1

R48

 

C39

250V

 

 

 

 

 

 

P1

10K

 

.047

 

 

 

 

C1

 

 

 

 

 

2

C2

 

 

 

 

N

 

 

.033

O 2

 

 

 

 

 

 

P 2

 

 

 

 

 

 

 

 

 

 

 

 

 

CR2

C 2

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

EG

 

 

1N5397

 

 

 

 

 

 

 

 

 

 

U19

TP7

 

 

 

 

 

 

 

 

 

 

 

C7

 

TL317

IBIAS

 

 

 

 

IN

OUT

 

 

 

 

10000

 

 

 

 

 

 

ADJ

 

 

 

 

 

35V

 

 

 

 

 

 

 

 

 

R44

1.30K

1%

C34

1.0

R46

4.02K

1%

U N U S E D

8

2

 

 

 

 

 

1

 

3

 

U31

 

 

 

 

 

4

LM358DT

 

 

 

 

T2

 

 

9

7

 

 

2

4

 

 

 

5

 

SWITCHER

 

 

 

 

VIN

 

4

C26

VSW

 

LT1170

2

47

U9

FB

100V

 

G N D

VC

LM358DT

 

 

 

 

 

 

8

 

 

 

POWER

FAIL

DETECTION

 

 

 

 

 

 

 

 

 

 

VCC

 

 

 

 

 

R43

 

 

 

 

 

 

 

 

 

39K

 

 

R45

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.0M

 

R42

 

 

 

 

 

 

 

1%

 

10K

 

R39

 

 

3

8

 

 

 

 

 

63.4K

 

 

 

 

 

1

 

PFAIL*

 

 

 

2

 

 

 

 

 

 

1%

 

 

 

 

 

 

 

 

 

 

 

 

 

U24

 

 

 

 

R41

 

4

 

 

 

 

 

 

 

 

LM393DT

 

 

 

 

11.0K

 

 

 

 

 

 

 

1%

VR4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LM385

 

 

 

 

 

 

 

 

 

1.23V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INVERTER

 

 

 

 

 

 

 

 

T1

 

U23

U23

U23

 

U23

TP14

 

12

 

 

 

 

1

2

3

4 5

6

9

8

 

 

 

H C U 0 4

 

H C U 0 4

H C U 0 4

 

H C U 0 4

 

 

 

 

 

 

 

 

 

 

 

 

11

R47

 

 

C35

 

 

R40

 

 

 

10K

 

 

1000PF

 

5.1K

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

TP9

 

1

 

U22

 

 

 

 

 

 

D

 

 

 

4

R34

 

 

 

Q8

 

 

 

 

 

 

 

 

 

 

 

2

P R

5

470

 

 

G

S

 

 

D

Q

CR12

2

 

H C 7 4

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

BAS16

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

CR11

 

 

 

 

3

6

 

 

6

 

 

 

 

 

 

CL

Q

 

 

TP10

 

 

 

 

 

BAS16

 

 

D

 

 

8

 

 

1

 

 

 

Q 7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INGUARD SUPPLIES

U 6

LM317

 

IN

OUT

 

ADJ

 

C 6

R 6

R 5

10

63V

 

 

3.32K

1.00K

 

1%

1%

 

R13

20Q 2

M M B T 3 9 0 6

 

 

Q1

 

C 9

 

 

 

 

 

 

180PF

VR2

 

 

 

M M B T 3 9 0 6

 

1N5233

 

 

 

 

 

 

 

 

 

 

 

6.0V

 

 

 

R11

R 9

 

 

TP30

 

 

4 7 K

4.7K

Q 4

 

 

 

 

 

C R 5

 

 

M M B T 3 9 0 4

 

 

 

 

 

 

C O M

 

 

 

 

 

 

 

M B R 1 4 0

 

R14

 

 

 

 

 

C12

10K

 

 

 

 

CR6

 

 

 

 

 

470

R 4

 

 

 

 

 

16V

 

 

 

 

 

 

 

 

 

 

MBR140

 

10K

 

 

 

 

 

 

R12

R10

 

 

 

 

C13

4 7 K

4.7K

Q 3

 

VR1

CR7

 

 

M M B T 3 9 0 6

470

 

 

 

 

1N5232

BAW56

 

 

 

 

16V

 

 

C10

 

5.6V

 

 

 

 

 

 

Q 6

 

180PF

 

 

 

 

M M B T 3 9 0 4

 

 

 

C R 4

 

 

 

 

 

 

 

 

 

 

 

 

BAS16

 

 

R15

 

 

 

 

 

 

33

Q 5

 

 

 

 

 

 

M M B T 3 9 0 4

 

 

 

TP5

TP6

 

 

 

 

D CH

SH4

DCL

SH4

PFAIL*

SH3

+5.6V

VDDR

SH3

+5.2V

VDD

SH3

TP31

C4

1.0

50V

C O M

SH3

C5

1.0

50V

TP32

VSS

-5.6V SH3

SHLD

SH3

FIL1

SH3

5VAC

FIL2

SH3

3

1

5

 

 

 

 

 

 

7

 

 

 

6

CR10

 

 

U31

MBRD360

 

R26

4

 

 

 

100

R31

VCC

 

 

 

 

+5.1V

 

 

11.0K

 

 

1%

 

 

C21

 

 

 

.1

 

 

C20

25V

 

TP2

220

 

 

 

 

 

35V

 

 

 

 

 

 

U23

 

 

 

11

 

 

 

H C U 0 4

C18

 

C14

 

220

R30

 

35V

45.3K

2200

U23

 

1%

10V

13

 

 

 

 

 

 

H C U 0 4

TP1

R28

 

 

 

470

G

S

5

 

 

 

 

R38

 

 

 

0.02

4

U N U S E D

 

 

C30

 

 

47

U22

10

50V

10

8

12

D P R Q 9

5

 

 

7H C 7 4

6

11

 

 

U24

 

4

LM393DT

CR13

12

8

M MBD70 0 0

 

CL Q

 

 

13

 

 

 

OUTGUARD

SUPPLIES

 

 

TP4

 

CR9

 

- 30V

 

M MBD70 0 0

 

VLOAD

 

 

 

SH3

 

CR8

VR3

C17

 

1N5235B

2.2

 

M MBD70 0 0

 

6.8V

50V

 

 

 

 

 

TP3

 

U18

 

VEE

 

79L05

 

-5.0V

IN

OUT

 

 

 

G N D

 

 

C31

C32

R22

 

47

1.0

 

50V

50V

47K

 

2620A-1001

(2 of 4)

s72f.eps

Figure 8-1. A1 Main PCA (2620A/2625A) (cont)

8-5

Page 286 Page 288
Page 287
Image 287
Fluke 2625A, 2635A service manual RAW Supply
Page 286 Page 288

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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