3.6 Components and care of components
The Sonde
The sonde head contains the electrodes, stirrer and temperature probe to carry out
analysis. It comes pre-assembled with the 4 electrodes and a Sample Analysis
Beaker (SAB). The electrodes are the WE1 (Working Electrode 1), WE2 (Working
Electrode 2), R (Reference Electrode) and C (Counter Electrode). The sonde has the
electrode letter references embossed onto it to ensure they are connected in the
correct positions.
To fit an electrode, simply align the arrow on the electrode with the arrow on the
sonde head and push the electrode onto its socket. A quiet double click should be
heard. Gently pull on the top of the black holder of the electrode to ensure it is fully
connected.
To remove the electrodes pull back the c
onnector shroud with the arrow on and the
connector will pull off.
When attaching or removing electrodes be careful to avoid touching the stirrer.
The different Working Electrodes can be identified by the number of connecting pins
and are not interchangeable.
Electrode WE1 (6 pins) is to be fitted in position WE1.
Electrode WE2 (3 pins) is to be fitted in position WE2.
Do not mix up the electrodes as this can cause damage to the instrument.
The sonde can be assembled in one of two ways. Firstly, the short cable attached to
the Sonde can be connected directly to the instrument. It can then be attached to the
clamp and stand included in the kit and fitted inside the box. The second option is to
fit the extension cable between the Sonde and the instrument. This allows the
instrument to be used to collect samples as well as analyse them.
The sonde (electrodes x 4) SAB (Sample Analysis Beaker)
Metalyser® Field Pro HM3000 Instruction Manual v 5.0
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