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12. The rFH prompt appears. Use the editing keys to change the display to the desired ref-
erence electrode high impedance fault value. The allowed ranges are
Type of reference electrode Allowed range
Low impedance (LO in step 11) 0 - 2000 kilohms
High impedance (HI in step 11) 0 - 2000 megohms
Entering 0000 disables the feature. When the reference electrode impedance goes
above the fault value, the transmitter displays the diagnostic message rEFFAIL and sets
a fault condition. Press ENTER to save.
13. The rWH prompt appears. Use the editing keys to change the display to the desired ref-
erence electrode high impedance warning value. The allowed ranges are
Type of reference electrode Allowed range
Low impedance (LO in step 11) 0 - 2000 kilohms
High impedance (HI in step 11) 0 - 2000 megohms
Entering 0000 disables the feature. When the reference electrode impedance goes
above the fault value, the transmitter displays the diagnostic message rEFWArn. Press
ENTER to save.
14. The rWL prompt appears. Use the editing keys to change the display to the desired ref-
erence electrode low impedance warning value. The allowed ranges are
Type of reference electrode Allowed range
Low impedance (LO in step 11) not applicable
High impedance (HI in step 11) 0 - 900 megohms
Entering 0000 disables the feature. When the reference electrode impedance goes below
the warning value, the transmitter displays the diagnostic message rEFWArn. Press
ENTER to save. The prompt appears but is disabled when LO is selected in step 11.
15. The rFL prompt appears. Use the editing keys to change the display to the desired ref-
erence electrode low impedance fault value. The allowed ranges are
Type of reference electrode Allowed range
Low impedance (LO in step 11) not applicable
High impedance (HI in step 11) 0 - 900 megohms
Entering 0000 disables the feature. When the reference electrode impedance goes
below the fault value, the transmitter displays the diagnostic message rEFFAIL and sets
a fault condition. Press ENTER to save. The prompt appears but is disabled when LO
is selected in step 11.
16. Press EXIT to return to the process display.
MODEL 3081 pH/ORP SECTION 8.0
PROGRAMMING FOR pH MEASUREMENTS
PROGRAM
rFH
EXIT NEXT ENTER
1
400
PROGRAM
rWJH
EXIT NEXT ENTER
0040
PROGRAM
rWJL
EXIT NEXT ENTER
0000
PROGRAM
rFL
EXIT NEXT ENTER
0000