USER MANUAL
compact
MRU GmbH, D-74172 Neckarsulm
1. General information
1.1. The company MRU GmbH
Your analyzer is produced by the MRU GmbH in Neckarsulm Germany (founded in 1984), a
medium sized company that specializes in developing, producing and marketing high quality
emission monitoring analyzers. MRU GmbH produces a wide range of instruments, from
standard analyzers up to tailor made industrial analyzers. MRU GmbH contact details are listed
on the previous page.
1.2. Important general information (EN 50379) and VDI 4206
This analyzer is not designed to be used for continuous measurements.
Before using the analyzer verify the condition of the various parts of the analyzer, such as the
probe, the ambient air conditions, the condensate separator, star filter and the connectors for
damage and/or blockages.
When starting up the analyzer it will take between 1 – 3 minutes to set to zero depending on the
condition of the sensors and of ambient.
The minimum zeroing time of the analyzer to achieve correct measurement values can be
expected by 1.5 minutes!
Caution: Exposure to acids; aggressive gases such as sulphur; vapours such as thinners,
gasoline, alcohol and paint, etc. can damage, reduce the life of, or destroy the sensors.
The life of the sensors depends on how they are used, maintained and treated. Typical average
life expectations are: O
2
- 2 years; CO - 2 - 3 years and NO - 3 years.
The use of the analyzer for regulatory purposes is subject to special regulations (for example a
periodical examination of the analyzer). Please obtain the appropriate regulations from your
local responsible authority.
The battery life is at least 500 charge-discharge cycles. With increasing number of cycles is
reduced specified in the technical data devices operating time per battery charge.
1.3. Important information about the users/operation manual
The users/operation manual is an important part of this delivery. It will explain how to use this
analyzer properly and sets forth safety and environmentally friendly procedures.
It is the responsibility of all users to read and familiarize themselves with this manual, paying
particular attention to the safety instructions.
(service department,
development
division,
sales department
administration)
(Product division)
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