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Page 16 of 93
OIW-HBO-0002-EX-005
OIW EX SERIES-SIDE STREAM
OPERATION MANUAL
Rev. 004 MAY 2015
2.3.2 – Measurement Cycle Overview
The Measurement Cycle of the OIW-EX is configurable, set using numerical selection options from the ‘Measurement
Cycle’ menu, to accommodate oil types and therefore timing of each phase is variable. Figures 9 and 10 are graphical
representations of the measurement cycle, where Figure 9 provides a simplified overview while Figure 10 details the
processes in taking a measurement reading. The details of each phase will be described in the following Section: 2.3.3
– Measurement Cycle – Phase Descriptions p.17. Configuration of the measurement cycle using the OIW software will
be described in Section 3.2.3.1.2 – Schedule Configuration Options Menu p. 43.
Figure 9: OIW-EX Measurement Cycle Overview
1. Auto – Tune: Cleaning - with the valve open to clean debris from the chamber prior to the valve closing.
2. Auto – Tune: Homogenization – prior to homogenizing samples.
The OIW-EX analyzer auto-tunes only in the following conditions:
a) At the start of the 1
st
cycle,
b) At Noon and Midnight, and
c) With every ±5
o
C change in temperature.
Figure 10: OIW-EX Measurement processes
INFORMATION: A comprehensive software overview is covered in Section 3 of this manual.
* FLOWING MEASUREMENTS is continuous for User defined time
eriod
and is typically the predominant function of the cycle.
The analyzer is measuring every second during the flowing state.
** SCHEDULED MEASUREMENT is composed of a series of configurable
processes detailed below in Figure 10.
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