Brooks Instrument GF126 - Manual (Page 30)

2-10
GF100 Series
Installation and Operation Manual
X-TMF-GF100-Series-MFC-eng
Part Number: 541B137AAG
March, 2013
Section 2 Installation
After completion of the pressure transducer zeroing, the LCD display will
read 0.0 with the last two digits flickering as shown in Figure 2-7.
2-15-2 Zeroing GF100 Series Flow from LCD Display Panel
1. Place the GF100 Series under normal inlet operating pressure. Close
the down stream valve to prevent any flow.
2. Looking at the top of the GF100 Series, press the "Display" button until
the LCD display label is "%FS" as shown in Figure 2-8. Three button
depressions from the MACID label display.
Figure 2-7 Display Reading Zero PSI
Figure 2-8 Display Set to %FS
Figure 2-9 % Flow Display Set to Zero
3. Press and hold down the Zero button for a minimum of 5 seconds or until
the "%FS" display reads 0.0 as shown in Figure 2-9. The %FS label will
flash during this procedure.