Indication range 10, 1 mbar, Indication range below 10 – INFICON Gemini ATM to Ultra-High Vacuum Gauge User Manual

Page 21: Mbar, Indicated pressure (gauge calibrated for air), K × indicated pressure

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21

Indication range 10

-6

… 0.1 mbar

Indicated pressure (gauge calibrated for air)

6
4

2

6
4

2

6
4

2

10

–4

8

6
4

2

10

–6

2

4 6

10

–5

10

–4

10

–5

8

6
4

2

10

–6

8

2

4 6 8

2

4 6

2

4 6

2

4 6

10

–3

8

10

–2

8

10

–1

8

10

–3

8

10

–2

8

10

–1

8

p

eff

(mbar)

p (mbar)

Indication range
10

-6

... 10

-1

mbar

Air

N

2

O

2

CO

Ar

He

Indication range below 10

-5

mbar

In the range below 10

-5

the pressure indication is linear. For

gases other than air, the pressure can be determined by means
of a simple conversion formula:

p

eff

= K × indicated pressure

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