EN - 2
BEI.0330.0 • 2019-04-01
1 Taking measurements
Primo 5
All brand names and trademarks that appear in the instruction leaflet are the property of their respective
owners/manufacturers. This instruction leaflet supplements the manufacturer’s original documentation
and is not a complete/independent document. It describes how to take measurements with the EC Tester
Primo 5
and how to calibrate it. It also provides additional instructions for use.
1 Taking measurements
Title page figure
1
Press the On/Off button
to turn on the EC Tester.
2
Insert the EC Tester in the opening of the expansion tank and submerge it in the coolant up to the
recommended immersion depth
3
Move the EC Tester back and forth briefly to remove any air bubbles on the probe.
4
Wait until the measurement on the display
has stabilized.
5
Read the measurement and compare it with the recommended measurements.
Tab. 1 Recommended measurements by application on page EN-3
If the EC Tester cannot be inserted into the opening of the expansion tank because the opening is not large
enough, proceed as follows:
1
Connect the liquid-cooled welding torch.
2
Switch on the power source.
3
Disconnect the return hose from the welding torch and hold it inside a clean, dry container.
4
Press the button on the welding torch and allow the coolant to run into the container.
5
As soon as the container is filled with sufficient coolant (at least 5 cm), switch off the power source and
end the filling process.
6
Press the On/Off button
to turn on the EC Tester.
7
Submerge the EC Tester in the coolant up to the recommended immersion depth
8
Move the EC Tester back and forth briefly to remove any air bubbles on the probe.
9
Wait until the measurement on the display has stabilized.
10
Read the measurement and compare it with the recommended measurements.
Tab. 1 Recommended measurements by application on page EN-3
NOTICE
• Before using the EC Tester
Primo 5
, read the manufacturer’s relevant operating instructions
carefully. It provides you with all the information you need for safe, fault-free operation.
The operating instructions accompany the EC Tester upon delivery, or you can find them at
www.hannainst.de
.