USER MANUAL NOVAplus
MRU GmbH, D-74172 Neckarsulm 10 / 95
2 Introduction
• This manual enables you to understand and safely operate this MRU
Analyzer.
• Please read this manual with great vigilant and get familiar with the
product before using it.
• This analyzer may only be operated by competent personnel and for
its intended use.
• Please pay special attention to all safety directions and warnings to
prevent personal injuries and damaging of the product.
• We can’t be held responsible for any injuries and/or damages that
occur by not following the instructions in this manual.
• Always keep the manual near you when working with the analyzer,
to be able to read instructions as needed. Please ensure to hand
over all documents to when handing the analyzer over to others.
2.1. Intended use
The main task of the analyzer is in supporting the following applications:
• Precise control- and adjustment measurements for Gas-, oil or wood
fired burners
• Flue gas measurement according to 1. BImSchV and KÜO
The CO sensor is protected with the automatic purging pump.
This analyzer can be equipped with additional options and/or additional
accessories to full fill multiple other measuring tasks such as
• Mobile Gas detector (Option HC-sniffer)
• Anemometer (Option Flow velocity, using either a Pitot tube or a
vane)
• Hygrometer/Barometer (Option ambient humidity including temper-
ature and barometric pressure)
• Leak testing device (Option external pressure sensor)
The multiple options and multiple connections possibilities of external
sensors often replaces the need of additional measuring equipment(s).
Ask our sales reps. for available options and accessories or check out
our MRU website.
The wireless remote unit offers the user a variety of advantages while
measuring. Especially in small rooms only the base unit will sit next to
the boiler while the user can operate the unit from a distance. Precise
ambient air temperature measurements can be done with either the
base unit or remote unit (RCU). The RCU can also be used as a
standalone measuring and data logging unit for differential temperature
and differential pressure (and other optional functions). With the op-
tional available gas cooler with automatic condensate draining pump
the unit can also be used for long term measurements
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