USER MANUAL AMPRO
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MRU GmbH, D-74172 Neckarsulm
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Perform Annular-gap test
The annular gap test checks whether the exhaust system is tight by measur-
ing the O2 value of the combustion air.
►
Select Gas measurements.
►
Press OK.
The menu Selection meas. Program appears.
►
Select Annular-gap test.
►
Press OK.
If necessary, an automatic zero-point measurement is
is performed.
The menu Annular-gap test appears.
►
Press F3.
The currently measured values for Draft and T-gap are displayed.
The MRU annular gap multi-hole probe No. 56352 is suitable for annular gap
measurement. The silicone hose is attached to the condensate separator of
the analyzer.
Optionally, the annular gap multi-hole probe can be attached to the measur-
ing probe of the analyzer with the probe coupling MRU No. 11652.
