31
Performing an Electronic
Calibration Using the Optional
N.I.S.T. Calibration Module
If you purchased the optional N.I.S.T. calibration module
(Catalog No. E896X5) you can perform a calibration of
the NANOpure DIamond purity sensing electronics trace-
able to N.I.S.T. standards.
1.
Disconnect power cord from the unit.
2.
Unlatch and open the right door. Remove the 2
screws and remove the top PC board cover
plate over the PC boards.
3.
Locate the outlet cell connection on the
circuit board and remove the outlet cell connec-
tion at J2.
4.
Connect the N.I.S.T. calibration module to the
connection point (J2), “To Outlet Cell” on the cal-
ibration board (PC1190X2).
5.
Leave the door open. Otherwise, the calibration
module may collide into the UF plumbing.
6.
Reconnect the power cord and turn the unit on
by depressing the main power switch.
7.
From the (Idle) mode, Press the UP or DOWN
arrow until the display reads, “N.I.S.T.
Calibrate?” Press ENTER.
8.
Display will show “Calibration Module Installed?”
Press the UP or DOWN arrow to select (YES).
9.
Press ENTER.
10. Display will read “Calibration (In Progress).”
When the calibration is complete the display will
read “Calibration (passed/failed) for 4 seconds
and then return to the”N.I.S.T. Calibrate?” dis-
play.
N.I.S.T. Calibration Module
Note
The calibration (in progress) may take
up to two minutes to complete.
J2 Connection
PC Board
Summary of Contents for NANOpure DIamond D11951
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