PART THREE - OPERATION
SECTION 5 - TEST/MAINTENANCE
Rev. 6-1100
Model P33 pH/ORP Analyzer (panel-mount 1/4 DIN)
67
5.2 HOLD OUTPUTS
☞
5.3 OVERFEED RESET
(relay timers)
The analyzer has a convenient feature to hold the analog
outputs at their last measured values for up to 30 minutes,
suspending operation of any connected devices.
1.
With the
screen displayed, press
Ø
Ø
key
once to display
.
2.
Press
ENTER key
to immediately hold the analog
outputs (“HOLD OUTPUTS: ENTER TO RELEASE”
screen appears, acknowledging hold is operating).
NOTE:
If the keypad is not used within 30 minutes, the
analog outputs will automatically change back
to their active states and the display will return
to the MEASURE screen.
3.
To end hold at any time and return the analog outputs
back to their “active” states, press
ENTER key
(display
returns to previous level of TEST/MAINT menu branch).
When a relay overfeed timer “times out,” as indicated by its
blinking LED, the timer must be manually reset using TEST/
MAINT menu screens. The LED stops blinking after reset.
All overfeed timers are manually reset at once.
1.
With the
screen displayed, press
Ø
Ø
key
until
screen appears.
2.
Press
ENTER key
to reset all overfeed timers at once
(“OVERFEED RESET: DONE” screen appears, ac-
knowledging reset has occurred).
3.
Press
ESC key
or
ENTER key
to return to the previous
level of the TEST/MAINT menu branch.
