testo 521 · testo 526

526

521

B AC

DE F

M.00

N.0000

1 Man./Auto./Fast2 Config.3 Print4 Status5 Delete

1 P Low2 P High3 ISO/US4 °C/°F

1 Temp.2 Humidity3 Pressure4 Density5 Section6 O factor7 P factor

1 Circle 12 Circle 23 Rect. 14 Rect. 25 Area 1

1 Data2 Language3 Bat. type4 F-Reset

1 Socket 12 Socket 2

1 SI2 UI scal3 Reset

1 Date/Time2 Auto. off3 Unit4 Light5 Damping6 Optional

521 testo testo 521 testo 5261 Location 1 Location2 Memory 2 Memory3 Probes 3 Probes4 Input5 Device 4 Device6 Service 5 Service

testo 521 testo 5261 Velocity 1 P1-P22 VolFlow 2 Leak Rate3 P1-P2

3 Test

1 Input2 Unit3 Resol.4 Output

2

1 U/I2 Temp.3 Humidity4 Velocity5 Pressure6 Analysis7 Other

Pa (ISO/US)hPa (ISO/US)mbar (ISO/US)kPa (ISO/US)bar (ISO/US)psi (ISO/US)mmWs (ISO)Torr (ISO)"HG (US)"H2O (US)

hPa (ISO/US)mbar (ISO/US)kPa (ISO/US)bar (ISO/US)psi (ISO/US)mmWs (ISO)Torr (ISO)"HG (US)"H2O (US)

1 tSIDoReq2 tTestReq3 P Req4 dP Req5 Meas R.h.6 Start?

= 5 Device3 Unit2 P High

53 2

i . 1 h P a

10.081 . 1 ° C

24.8

M.MAN.

00

L a n g u a g e

E n g l i s h

L o c a t i o n

0 1

1

L o c a t i o n

N e w

1

521 526

M e m o r y

MAN.2

M a n . / A u t o .

M a n u a l

A u t o .

F a s t

MAN.21

521 526

521 526

h m i n .

820Q u a n t i t y

200

22

M e a s R . h .

00m i n. s e c .

02:30

22

P r i n t

P r o t o c o l

03

23

521 526

521 526

Date: 27.08.2003Time: 10:15:35

Testo AG

Location: 01

Meas. from: 27.08.2003Time: 10:15:35

1.1: 918 hPa2.1: 27.0 °C

Date: 27.08.2003Time: 10:15:35

Testo AG

Location: 01

Date Timefrom: 27.08.2003 10:15:35to: 27.08.2003 10:25:35

hh:mm:ssMeas. rate : 00:01:00

1.1: hPa 2.1: °C

00001 27.08.2003 10:15:35

01 917 26.802 918 26.803 917 26.804 917 26.805 917 26.806 917 26.907 917 26.9

60°

60°

max. 2 m

10°

20°

S t a t u s

F r e e %

65.5

24

C l e a r

Y e s

25

521 526

521 526

S o c k e t 2

32

S I

%

2.00

32 1

521 526

521 526

° °° °

µ

U / I s c a l .

%

31 2

521 526

521 526

521 526

521 526

521 526

521 526

521

I n p u t

4

521

521

521

521

H u m i d i t y

%

48.5

42

P r e s s u r e

h P a

1013

43

D e n s i t y

g / m 3

11993

44

T e m p .

° C

20.0

41

521

521

521

S e c t i o n

C i r c l e 1

45

O f a c t o r

1.00

46

P f a c t o r

1.00

47

C i r c l e 1

m m

50

45 1

521

526

521

526

521

526

51

51

h h : m m

10:24

41

D D . M M

29.08Y Y Y Y

2003

41

D e v i c e

4

5

521

526

521

526

521

526

52

42

53

53 1

h P a

43 1

53 2

b a r

43 2

A u t o . o f f

O f f

U n i t

P L o w

P L o w

P H i g h

521

526

521

526

521

526

521

526

53 3

I S O / U S

3

54

L i g h t

O n

44

55

1

45

° C / ° F

° C

43 4

53 4

D a m p i n g

521

521

521

526

56

O n

56 1

56 2

O p t i o n a l

46

V e l o c i t y

V o l F l o w

O f f

521

526

56 3

P 1 - P 2

O n

46 1

46 2

46 3

909

-2

526

526

L e a k R a t e

L e a k R a t e

d P / m i n .

T e s t

t S l D o R e q .

m i n . s e c .

05:00

46 31

t = 1 x ln PoKp Po-∆p

Kp = 16DN

Kp = 12DN

t T e s t R e q .

h r . m i n .

00:10

46 32

d P R e q .

m b a r

150

46 34

m e a s R . h r .

00m i n . s e c .

00:01

46 35

P R e q .

m b a r

9999.9

46 33

S t a r t ?

46 36

1 . 1 h P a

926P r e - f i l l

01:05

i . 1 h P a

926S l o w D o w n

01:05

1

2

3 4

5

P

t

1 . 1 h P a

926∆ P

3

0030

1 . 1 h P a

926D r o p

0030

L e a k

∆ P h P a

2

0030

Date: 27.08.2003Time: 10:15:35

T e s t o A G

Location: 01

D a t a

MustermannMaxTesto Str. 1Testo AG07653/681-0

InstrumentType : t521Version : 0.14Serial number : 00000021Battery : 8.5V

Memory: Manualhh:mm:ss

Measr.: 00:01:00Free : 78%

U/I 1:Input : 0mA - 20mAOutput: 0.0 - 20.0Unit :

U/I 2:Input : 0mA - 20mAOutput: 0.0 - 20.0Unit:

Temp. : 20.0 °CHumidity : 50.0 %Pressure : 1013 hPaDensity : 1199.0 g/m3

P factor : 1.00

521

526

521

526

521

526

6

S e r v i c e

5

61

51

62

52

V e r s i o n

0.10B A T V

8.4

D a t a

L a n g u a g e

E n g l i s h

521

526

521

526

63

B a t . t y p e

B a t t e r y

53

64

F - R e s e t

54

F - R e s e t

Y e s

521 526

521 526

i . 1 h P a

10.081 . 1 ° C

24.8

M.MAN.

00

i . 1 h P a

10.081 . 1 ? C

24.8Hold

M.MAN.

00

Max. Min. Mean Mean

i . 3 m 3 / h

232 . 1 ° C

22.6

M.MAN

02521

24.8Hold

521 526

30.5Max

15.7Min

521 526

i . 1 h P a

10.081 . 1 ° C

24.8

N 0011

Mean

i . 1 h P a

10.081 . 1 ° C

24.8

00:37

Mean

521 526

521 526

521 526

521 526

i . 1 h P a

10.082 . 1 ° C

24.8

M.MAN

05

i . 1 h P a

10.082 . 1 ° C

24.8

M. N.

AUTO

05 0005

i . 1 h P a

10.08

M.

AUTO

05 0005N.

521 526

60°

60°max. 2 m

10°

20°

i . 1 h P a

10.081 . 1 ° C

24.8

M.MAN

N.03 0005

c h a r g e

Y e s

± ±° ± ± ± ± ±

° °± ±

± ° ° ± ° °± ± ° ° ± ° °

± ° ° ± ° °

° ° ° °

± ± ±

°°

±±

± ±( + ±±±

± ±

°°

”

° ° °° ° °

° ° °° ° °

° ° °° ° °