Aalborg GFM Uživatelský manuál stáhnout pdf (Strana 12)

8

TABLE II GFM 37

MEDIUM FLOW

MASS FLOW METER*

TABLE III GFM 47

HIGH FLOW

MASS FLOW METER*

* Flow rates are stated for Nitrogen at STP

conditions [i.e. 70

F

F (21.1

F

C) at 1 atm].

For other gases use the K factor as a

multiplier from APPENDIX 2.

TABLE IV PRESSURE DROPS

CODE

L/min [N

2

]

11

0 to 15

30 20

31 30

32 40

33 50

CODE

L/min [N

2

]

40 60

41 80

42 100

50 200

60 500

70 1000

MODEL

FLOW RATE

[L/min]

MAXIMUM PRESSURE DROP

[mm H

2

O]

[psid] [mbar]

GFM 17 up to 10 25 0.04 2.5

GFM 37

15 63 0.09 6.4

20 300 0.44 30

30 800 1.18 81

40 1480 2.18 150

50 2200 3.23 223

GFM 47

60 3100 4.56 314

100 5500 8.08 557

GFM 57 200 2720 4.0 280

GFM 67 500 3400 5.0 340

GFM 77 1000 6120 9.0 620

TABLE I GFM 17

LOW FLOW

MASS FLOW METER*

FLOW RANGES

CODE

mL/min [N

2

]

01 0 to 10

02 0 to 20

03 0 to 50

04 0 to 100

05 0 to 200

06 0 to 500

CODE

L/min [N

2

]

07 0 to 1

08 0 to 2

09 0 to 5

10 0 to 10

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 35 36

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