5
KM26 | MAGNETIC LEVEL GAUGE  |  OI/KM26-EN REV I
•  the maximum process temperature must not be 
exceeded.
•  the housing protection type must be observed when 
switches and transmitters are mounted as part of KM26 
MLG level solution.
Warranty provision 
Using the device in a manner that falls outside the scope of 
its intended use, disregarding this manual, using 
underqualified personnel or making unauthorized alterations 
releases ABB from any liability for any resulting damage. This 
renders the manufacturer’s warranty null and void.
Operator liability
In instances where corrosive and / or abrasive materials are 
being measured, the user must check the level of resistance of 
all parts that are coming into contact with these materials. 
ABB can offer guidance in the selection of material but does 
not accept liability in performing this service. The user must 
strictly observe the applicable national regulations with 
regards to installing, functional testing, repairing and 
maintaining all the associated electromechanical devices.
Use of instruction
This symbol in conjunction with the signal word ‘DANGER’ 
indicates an imminent electrical hazard. Failure to observe 
this safety information will result in death or severe injury.
DANGER
This symbol in conjunction with the signal word ‘CAUTION’ 
indicates a potentially dangerous situation. Failure to 
observe this safety information may result in minor or 
moderate injury. This symbol may also be used for 
property damage warnings.
This symbol indicates a potentially damaging situation. 
Failure to observe this safety information may result in 
damage to or destruction of the product and / or other 
system components.
CAUT ION
NOTICE
... 2     Safety
Qualified personnel
Installing, commissioning and maintaining the MLG system 
may be performed only by trained personnel who are 
authorized by the plant operator. These trained personnel 
must have read and understood this manual and must comply 
with its instructions.
Returning devices
For the purpose of returning the device for repair or 
recalibration, use the original packaging or other suitably 
secure shipping method. The sender should contact the 
factory for return authorization number and fill out return 
form (provided at the end of the manual) and include it with 
the device. According to C guidelines other local laws for 
hazardous materials, the owner of the corresponding 
hazardous waste is responsible for its disposal. The owner 
must observe the proper regulations for shipping purposes. 
All devices returned to ABB must be free of any hazardous 
materials (for example, acids, alkalis and solvents).
Disposal
ABB actively promotes environmental awareness and has an 
operational management system that meets the 
requirements of DIN EN ISO 9001:2000, EN ISO 14001:2004 
and OHSAS 18001. ABB products are intended to have minimal 
impact on the environment and individuals during their 
manufacture, storage, transport, use and disposal.
This adherence to environmental standards includes the use 
of natural resources. In this endeavor, ABB maintains an open 
dialog with the public through its publications.
The product / solution is manufactured from materials that 
can be reused by specialized recycling companies.
Information on WEEE directive 2002/96/
EC (waste electrical and electronic 
equipment)
Electrical and electronic equipment marked with symbol of a 
crossed-out wheeled bin may not be disposed as unsorted 
municipal waste. Waste of electrical and electronic equipment 
(WEEE) shall be treated separately using the collection 
framework available to customers for the return, recycling 
and treatment of WEEE.
From August 15, 2018 onward, the KM26 is subject to the 
scope of the Waste Electrical and Electronic Equipment 
Directive (2012/19/EU). The aim of the WEEE directive is to 
prevent or reduce the negative environmental effects 
resulting from the generation and management of electrical 
and electronic equipment.
This symbol in conjunction with the signal word ‘WARNING’ 
indicates a potentially dangerous situation. Failure to 
observe this safety information may result in death or 
severe injury.
WARNING
Note
‘Note’  indicates operator tips, particularly useful information 
or important information about the product or its further 
uses. The signal word ‘IMPORTANT (NOTE)’ does not indicate 
a dangerous or harmful situation.