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MODEL 3081 pH/ORP SECTION 10.0
PROGRAMMING FOR ORP MEASUREMENTS
10.3.3 Procedure
1. Enter the Program menu by pressing PROG on the IRC. The OutPut sub-menu
appears.
2. Press ENTER. The screen displays the 4 MA prompt. Use the editing keys to
change the displayed number to the desired ORP. The allowed range is -1400 to
1400. To change the display to a negative number, press
Î or Í
until no digit is
flashing. Then press Ï or
Ð
until the minus sign appears. To change the display to
a positive number, press
Î or Í
until the negative sign is flashing. Then press
Ï or
Ð
until the minus sign disappears. Press ENTER to save.
3. The screen displays the 20 MA prompt. Use the editing keys to change the displayed
number to the desired ORP. The allowed range is -1400 to 1400. Press ENTER to
save.
4. The screen displays the HoLd prompt. Use the editing keys to change the display to
the output desired when the transmitter is in hold. The range is 3.80 to 22.00 mA.
Entering 00.00 causes the transmitter to hold the output at the value it was when
placed in hold. The hold setting overrides the fault setting. Press ENTER to save.
5. The screen displays the FAULt prompt. Use the editing keys to change the display to
the output desired when the transmitter detects a fault. The range is 3.80 to 22.00 mA.
Entering 00.00 causes the transmitter to hold the output at the value it was when the
fault occurred. Press ENTER to save.
6. The screen displays the dPn prompt. Use the editing keys to change the display to the
desired output dampening. The range is 0 to 255. Press ENTER to save.
7. Press EXIT to return to the process display.
PROGRAM
HoLd
EXIT NEXT ENTER
21 . 00
PROGRAM
FAULt
EXIT NEXT ENTER
22.00
PROGRAM
dPn
EXIT NEXT ENTER
PROGRAM
OutPut
EXIT NEXT ENTER
PROGRAM
4MA
EXIT NEXT ENTER
-1 4 0 0
PROGRAM
20MA
EXIT NEXT ENTER
1 400
000