Orp - Signet 9900 Operating Instructions Manual

ORP

This is the normal display
and does not time out.
VIEW Mode Menu
Displays the millivolt input from the electrode.
Use this display to determine the relative condition of your electrode during periodic calibration.
(2751 preamp with memory chip enabled sensors only, 9900 Generation IV or greater)
Press ► to access sensor data stored on sensor memory chip.
NOTE: Pressing ▲+▼, or changing to a sensor without a memorychip, while viewing SENSOR DATA,
will return the 9900 to the top VIEW mode display (current ORP measurement).
(2751 preamp with memory chip enabled sensors only, 9900 Generation IV or greater)
Sub-menu of stored sensor data, accessed by pressing ► on the above SENSOR DATA menu.
SENSOR DATA includes: Sensor Serial Number (S/n), Sensor Model Number (MOD), ORP Slope,
ORP Offset, Total Usage Time (HRS), Minimum ORP value measured (MIN mV),
Maximum ORP value measured (MAX mV)
Displays the 4 to 20 mA LOOP output
Bottom line shows one of three states (OFF, ON, PLS) for each of the three relays.
Displays remaining time for CYC LOW or CYC HIGH mode. The relay(s) will remain ON while counting down.
NOTE: (Reset the Timer) In the RELAY menu, select TEST RELAY function.
The timer will reset to 0 if the condition no longer exists when the TEST is performed.
The timer will restart if the condition still exists.
ORP Setup Checklist
1. Make sure ORP sensor type is selected
(see System Setup Menu, page 25).
2. If LOOP is used, set the minimum and maximum 4 to 20 mA setpoints.
3. Set Averaging.
4. Perform calibration or set Standard (and Slope if desired).
5. Set Last Cal Date and initials.
6. If desired, set up relay functions for your own application.
9900 Transmitter 35