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
traceable 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 cover plate over the
PC boards.
3.
Locate the outlet cell connection on the
circuit board and remove the outlet cell con-
nection at P2.
4.
Connect the N.I.S.T. calibration module to the
connection point (J2), “To Outlet Cell” on the
calibration board (PC1190X2).
5.
Close and latch door.
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 sec-
onds and then return to the”N.I.S.T.
Calibrate?” display.
N.I.S.T Calibration Module
Note
The calibration (in progress) may take
up to two minutes to complete.
J2
Connection
PC Board
