
Instruction Manual
c.U4 Zero
1.Monitor TP5, adjust R100 for 1 VDC
±2mV.
2.Monitor TP10, adjust R13 (ZERO) for 0.0 VDC ±5mV.
d.U8 Zero
Monitor TP11, adjust R29 for 0.0 VDC
±5mV.
e.U10 Zero
1.Monitor TP16, adjust R29 for 0.0 VDC
±5mV.
NOTE:
This adjustment requires a "long time" constant. Allow adequate time.
Model 755R
2.Adjust R29 to obtain a reading of
00.00±5 counts on the display.
f.Fullscale
1.Monitor TP11. Flow 100% oxygen, adjust SPAN potentiometer R20 for
10.00V ±5mV.
2.Monitor TP16, adjust R20 for 10.00 V
±5mV. The display must read 100.00
±5 counts.
g.Recorder Fullscale
1.Flow nitrogen at 250 cc/min, monitor TP16, and adjust front panel ZERO potentiometer for .000 VDC.
2.Flow 100% oxygen for span gas. Re- corder output for 1 V, 100 mV, or 10 mV should read 100% of span gas. Adjust R88 if necessary.
Maintenance and Service | Rosemount Analytical Inc. A Division of Emerson Process Management |