EL3000 CONTINUOUS GAS ANALYZERS |  CI/EL3000-EN REV. C  5 
 
 
 
 
Safety instructions 
 
Requirements for safe operation 
In order to operate in a safe and efficient manner the device 
should be properly handled and stored, correctly installed and 
set-up, properly operated and correctly maintained. 
 
 
Personnel qualifications 
Only persons familiar with the installation, set-up, operation and 
maintenance of comparable devices and certified as being 
capable of such work should work on the device. 
 
 
Special information and precautions 
These include: 
•  The content of this operating instruction, 
•  The safety information affixed to the device, 
•  The applicable safety precautions for installing and 
operating electrical devices, 
•  Safety precautions for working with gases, acids, 
condensates, etc. 
 
 
National regulations 
The regulations, standards and guidelines cited in this 
operator's manual are applicable in the Federal Republic of 
Germany. The applicable national regulations should be followed 
when the device is used in other countries. 
 
 
Safety of the equipment and safe operation 
The device was built and tested in accordance with 
EN 61010 Part 1 ‘Safety regulations for electrical measuring, 
control and laboratory equipment’ and it left the factory in 
perfect condition. 
 
To maintain this condition and to assure safe operation, read 
and follow the safety instructions in this operating instruction. 
Failure to do so can put persons at risk and can lead to device 
damage as well as damage to other systems and devices. 
 
 
 
 
 
 
Protective lead connection 
The protective lead (ground) should be attached to the 
protective lead connector before any other connection is made. 
 
 
Risks of a disconnected protective lead 
The device can be hazardous if the protective lead is interrupted 
inside or outside the device or if the protective lead is 
disconnected. 
 
 
Risks involved in opening the covers 
Current-bearing components can be exposed when the covers or 
parts are removed, even if this can be done without tools. 
Current can be present at some connection points. 
 
 
Risks involved in working with an open device 
All work on a device that is open and connected to power should 
only be performed by trained personnel who are familiar with the 
risks involved. 
 
 
When safe operation can no longer be assured 
If it is apparent that safe operation is no longer possible, the 
device should be taken out of operation and secured against 
unauthorized use. 
 
The possibility of safe operation is excluded: 
•  If the device is visibly damaged, 
•  If the device no longer operates, 
•  After prolonged storage under adverse conditions, 
•  After severe transport stresses.