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Emerson Process Management GmbH & Co. OHG 7-3
X-STREAM X2
Instruction Manual
HASX2E-IM-HS
02/2012
7
Maintenance & Procedures
7.2 General Maintenance Information
Tests
Component Interval
Tubing, exible
Leak Test Once a yearPressure sensor, pressure switch
Valve block
Pump diaphragm Leak Test
After 5,000 hrs of operation
(=208 days, if continuously opera-
ting)
Capillars Pressure drop Once a year
Flame arrestors Pressure drop
See instructions in separate ma-
nual
Infallible containments Several
See instructions in separate ma-
nual
RAW measuring values
Verify counts for zero
gases
(decreasing counts
may indicate conta-
mination of optical
components)
Monthly, then quarterly
Acceptable values:
photometer quotient: 1.0 ± 0.1
NO, N
2
O quotient: 1.0 ± 0.2
pO
2
, eO
2
, TC: 0 ± 100,000 counts
(for zero gas N
2
)
Replace Components Regularly
Component Interval
Electrochemical oxygen cell
Depending on output signal (see details later in this sec-
tion)
Filter, internal Once a year, at least when contaminated
Filter, external Several times a year, depending on process conditions