Ecom Ex-MP4 a Operating Instructions Manual - page 7
8
Operation of the Device
For a temperature reading, the equipment is
pointed towards an object and the trigger is pressed. Consider the distance
in relation to the spot size at this point (optical diagram) as well as taking
the field of sight into consideration. With increased distance from the object,
increase the surface of the measured area of equipment.
8.6 Emission level
The majority of organic materials, as well as coated and oxidised surfaces, possess an emission level of
0.95. For this reason the emission level of the Ex-MP4 a has been set to 0.95 and cannot be altered.
When determining the temperatures of shiny or highly polished metallic surfaces inaccurate measure-
ments are produced. To compensate this effect the object being measured can be covered with adhesive
tape or coated with matt black paint. Wait until the adhesive tape is the same temperature as the underly-
ing material. Then determine the temperature of the tape (which is equivalent to the material) or the coated
surface.
8.7 Battery replacement
If the battery is depleted and only a residual charge remains, the battery symbol appears on the display.
If this occurs the battery should be changed in order to ensure safe operation. The battery should only be
exchanged outside the Ex-area. When changing the battery make sure that only those batteries specified
in this manual are used (see point 7.1:Table with type-tested batteries). The use of different batteries is
strictly prohibited!
To open the battery compartment first remove the leather case from the handle. The compartment can now
be opened. You can then remove and exchange the battery. When the battery has been replaced the leather
case must be refitted over the handle.
- Pay attention to the correct polarity.
- Dispose of depleted batteries in an appropriate and environmentally friendly manner!
8.8 Troubleshooting
Code
Malfunction
Procedure
- - - (on the display)
Target temperature above or
below the measuring range
Select target within the range
Battery symbol
appears
Battery virtually depleted
Check or replace the battery
No display
Battery discharged
Check or replace the battery
Laser does not func-
tion
Weak or discharged battery
Replace battery
9. Repair
Repairs are to be conducted by ecom instruments GmbH or by personnel or service centres authorised by
ecom instruments GmbH, because the safety of the unit needs to be tested after repairs are implemented.