Cosa-xentaur Xentaur LPDT Manuel d'utilisateur télécharger pdf (Page 49)

LPDT User’s Manual

page 42

Relationship of 4-20mA output and instrument reading in ppmV or LBS

Instrument reading in ppmV

Instrument reading in LBS of H2O / million cubic feet

10 100 1000 10000

4.1mA

5mA

0.1 1 10 100 1000

12mA

8mA

20mA

4.5mA

4/20 mA output

0.56 LBS = -60˚C = 10.66 ppmV

1.97 LBS = -50˚C = 38.83 ppmV

49.3 LBS = -20˚C = 1019.3 ppmV

289.1 LBS = 0˚C = 6063.8 ppmV

Low AO range = -100˚C High AO range = +20˚C

Low AO range = -65.5˚C

High AO range = -38.5˚C

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Cosa-xentaur Xentaur LPDT Manuel d'utilisateur Page 49