Multi-Mode Electrode pro (MME pro) for 884 Professional VA

Learn everything about the installation and maintenance of your Multi-Mode Electrode pro with the 884 Professional VA.

Select whether you wish to begin using the electrode or to carry out complete or partial maintenance. Click on the respective section below to open it.

Here you will learn, step-by-step, how a new MME pro is put into operation.

The following is required to put the MME pro into operation:

Multi-Mode Electrode pro (MME pro, 6.1246.120)
New needle (6.1247.020)
New capillary (6.1226.030 or 6.1226.050)
Mercury (Brochure: Mercury Handling Guidelines)
Plastic tray (6.2711.030)
Mercury drop catcher (6.2406.000)
Assembly ring (6.1247.210)
Wrench for MME (6.1247.220)
Electrode stand for MME pro (6.2615.130)
Syringe with Luer connection (6.2816.020)
Needle with Luer connector (6.2816.030)
Pair of scissors

Inserting the needle

This video shows how to:

Remove the needle holder from the electrode.
Unpack the new needle and insert it into the needle holder.
Insert the needle holder with the new needle into the electrode.

Inserting the capillary

This video shows how to:

Loosen the retaining screw.
Unpack the new capillary and insert it into the electrode.
Fix the capillary in the electrode.

Filling with mercury

The tasks shown in this video must always be carried out with the plastic tray underneath!

This video shows how to:

Open the mercury reservoir of the electrode.
Transfer mercury into the electrode using a syringe with a hollow needle.
Close the mercury reservoir of the electrode.

Adjusting the needle valve

This video shows how to:

Adjust the electrode in 4 steps (principle).
Insert the electrode into the measuring head of the 884 Professional VA.

Fill the capillary with mercury (1^st step).
Adjust the needle valve coarsely (2^nd step).
Adjust the needle valve precisely (3^rd step).
Complete the needle adjustment (4^th step).

Testing the electrode function

Dropping Mercury Electrode (DME)

This video shows:

The principle of the electrode operating mode «DME».
How to test the electrode operating mode «DME» in the measuring stand.

Static Mercury Drop Electrode (SMDE)

This video shows:

The principle of the electrode operating mode «SMDE».
How to test the electrode operating mode «SMDE» in the measuring stand.

Hanging Mercury Drop Electrode (HMDE)

This video shows:

The principle of the electrode operating mode «HMDE».
How to test the electrode operating mode «HMDE» in the measuring stand.

Here you will learn what is to be done if only the level of mercury needs to be increased, without replacing needle and/or capillary.

The following is required to top up mercury:

Multi-Mode Electrode pro with needle and capillary
Mercury (Brochure: Mercury Handling Guidelines)
Plastic tray (6.2711.030)
Mercury drop catcher (6.2406.000)
Wrench for MME (6.1247.220)
Electrode stand for MME pro (6.2615.130)
Syringe with Luer connection (6.2816.020)
Needle with Luer connector (6.2816.030)

The tasks shown in this video must always be carried out with the plastic tray underneath!

This video shows how to:

Open the mercury reservoir of the electrode.
Transfer mercury into the electrode using a syringe with a hollow needle.
Close the mercury reservoir of the electrode.

Here you will learn what is to be done when only the capillary needs to be replaced, without additionally replacing the needle.

The following is required to replace the capillary:

Multi-Mode Electrode pro with needle and capillary
New capillary (6.1226.030 or 6.1226.050)
Plastic tray (6.2711.030)
Mercury drop catcher (6.2406.000)
Wrench for MME (6.1247.220)
Electrode stand for MME pro (6.2615.130)
Pair of scissors

Replacing the capillary

The tasks shown in this video must always be carried out with the plastic tray underneath!

This video shows how to:

Slightly open the needle valve.
Loosen the retaining screw and check the capillary for mercury.
Remove the capillary.
Unpack the new capillary and insert it into the electrode.
Fix the capillary in the electrode.

Adjusting the needle valve

This video shows how to:

Adjust the electrode in 4 steps (principle).
Insert the electrode into the measuring head of the 884 Professional VA.

Fill the capillary with mercury (1^st step).
Adjust the needle valve coarsely (2^nd step).
Adjust the needle valve precisely (3^rd step).
Complete the needle adjustment (4^th step).

Testing the electrode function

Dropping Mercury Electrode (DME)

This video shows:

The principle of the electrode operating mode «DME».
How to test the electrode operating mode «DME» in the measuring stand.

Static Mercury Drop Electrode (SMDE)

This video shows:

The principle of the electrode operating mode «SMDE».
How to test the electrode operating mode «SMDE» in the measuring stand.

Hanging Mercury Drop Electrode (HMDE)

This video shows:

The principle of the electrode operating mode «HMDE».
How to test the electrode operating mode «HMDE» in the measuring stand.

Here you will learn what is to be done when needle and capillary need to be replaced. When the needle is replaced, the capillary should always be replaced at the same time.

The following is required to replace needle and capillary:

Multi-Mode Electrode pro with needle and capillary
New needle (6.1247.020)
New capillary (6.1226.030 or 6.1226.050)
Plastic tray (6.2711.030)
Mercury drop catcher (6.2406.000)
Assembly ring (6.1247.210)
Wrench for MME (6.1247.220)
Electrode stand for MME pro (6.2615.130)
Pair of scissors

Replacing the capillary

The tasks shown in this video must always be carried out with the plastic tray underneath!

This video shows how to:

Slightly open the needle valve.
Loosen the retaining screw and check the capillary for mercury.
Remove the capillary.
Unpack the new capillary and insert it into the electrode.
Fix the capillary in the electrode.

Replacing the needle

The tasks shown in this video must always be carried out with the plastic tray underneath!

This video shows how to:

Remove the needle holder and the old needle from the electrode.
Unpack the new needle and insert it into the needle holder.
Insert the needle holder with the new needle into the electrode.

Adjusting the needle valve

This video shows how to:

Adjust the electrode in 4 steps (principle).
Insert the electrode into the measuring head of the 884 Professional VA.

Fill the capillary with mercury (1^st step).
Adjust the needle valve coarsely (2^nd step).
Adjust the needle valve precisely (3^rd step).
Complete the needle adjustment (4^th step).

Testing the electrode function

Dropping Mercury Electrode (DME)

This video shows:

The principle of the electrode operating mode «DME».
How to test the electrode operating mode «DME» in the measuring stand.

Static Mercury Drop Electrode (SMDE)

This video shows:

The principle of the electrode operating mode «SMDE».
How to test the electrode operating mode «SMDE» in the measuring stand.

Hanging Mercury Drop Electrode (HMDE)

This video shows:

The principle of the electrode operating mode «HMDE».
How to test the electrode operating mode «HMDE» in the measuring stand.

Small maintenance of the MME pro includes replacing the wear parts (needle and capillary) and topping up mercury.

The following is required to carry out a small maintenance:

Multi-Mode Electrode pro (MME pro, 6.1246.120)
New needle (6.1247.020)
New capillary (6.1226.030 or 6.1226.050)
Mercury (Brochure: Mercury Handling Guidelines)
Plastic tray (6.2711.030)
Mercury drop catcher (6.2406.000)
Assembly ring (6.1247.210)
Wrench for MME (6.1247.220)
Electrode stand for MME pro (6.2615.130)
Syringe with Luer connection (6.2816.020)
Needle with Luer connector (6.2816.030)
Pair of scissors

Removing the MME pro

This video shows how to:

Remove the MME pro from the measuring head.

Replacing the capillary

The tasks shown in this video must always be carried out with the plastic tray underneath!

This video shows how to:

Slightly open the needle valve.
Loosen the retaining screw and check the capillary for mercury.
Remove the capillary.
Unpack the new capillary and insert it into the electrode.
Fix the capillary in the electrode.

Replacing the needle

The tasks shown in this video must always be carried out with the plastic tray underneath!

This video shows how to:

Remove the needle holder and the old needle from the electrode.
Unpack the new needle and insert it into the needle holder.
Insert the needle holder with the new needle into the electrode.

Topping up mercury

The tasks shown in this video must always be carried out with the plastic tray underneath!

This video shows how to:

Open the mercury reservoir of the electrode.
Transfer mercury into the electrode using a syringe with a hollow needle.
Close the mercury reservoir of the electrode.

Adjusting the needle valve

This video shows how to:

Adjust the electrode in 4 steps (principle).
Insert the electrode into the measuring head of the 884 Professional VA.

Fill the capillary with mercury (1^st step).
Adjust the needle valve coarsely (2^nd step).
Adjust the needle valve precisely (3^rd step).
Complete the needle adjustment (4^th step).

Testing the electrode function

Dropping Mercury Electrode (DME)

This video shows:

The principle of the electrode operating mode «DME».
How to test the electrode operating mode «DME» in the measuring stand.

Static Mercury Drop Electrode (SMDE)

This video shows:

The principle of the electrode operating mode «SMDE».
How to test the electrode operating mode «SMDE» in the measuring stand.

Hanging Mercury Drop Electrode (HMDE)

This video shows:

The principle of the electrode operating mode «HMDE».
How to test the electrode operating mode «HMDE» in the measuring stand.

Full maintenance of the MME pro includes disassembling the entire electrode, cleaning the electrode body from inside, replacing the wear parts (needle and capillary) and filling the electrode with mercury.

The following is required to carry out full maintenance:

Multi-Mode Electrode pro (MME pro, 6.1246.120)
New needle (6.1247.020)
New capillary (6.1226.030 or 6.1226.050)
Mercury (Brochure: Mercury Handling Guidelines)
Plastic tray (6.2711.030)
Mercury drop catcher (6.2406.000)
Vessel for collecting mercury
Assembly ring (6.1247.210)
Wrench for MME (6.1247.220)
Electrode stand for MME pro (6.2615.130)
Syringe with Luer connection (6.2816.020)
Needle with Luer connector (6.2816.030)
Pair of scissors
Soft, lint-free tissue

Removing the MME pro

This video shows how to:

Remove the MME pro from the measuring head.

Emptying and cleaning

The tasks shown in this video must always be carried out with the plastic tray underneath!

This video shows how to:

Remove the mercury from the electrode.
Remove capillary and silicon seal.
Remove needle holder and needle.
Clean reusable parts.
Clean electrode body from inside.

Assembling the MME pro

The tasks shown in this video must always be carried out with the plastic tray underneath!

This video shows how to:

Unpack the new capillary and insert it into the electrode together with the silicone seal and retaining screw.
Fix the capillary in the electrode.
Unpack the new needle and insert it into the needle holder.
Insert the needle holder with the new needle into the electrode.
Transfer mercury into the electrode using a syringe with a hollow needle.
Close the mercury reservoir of the electrode.

Adjusting the needle valve

This video shows how to:

Adjust the electrode in 4 steps (principle).
Insert the electrode into the measuring head of the 884 Professional VA.

Fill the capillary with mercury (1^st step).
Adjust the needle valve coarsely (2^nd step).
Adjust the needle valve precisely (3^rd step).
Complete the needle adjustment (4^th step).

Testing the electrode function

Dropping Mercury Electrode (DME)

This video shows:

The principle of the electrode operating mode «DME».
How to test the electrode operating mode «DME» in the measuring stand.

Static Mercury Drop Electrode (SMDE)

This video shows:

The principle of the electrode operating mode «SMDE».
How to test the electrode operating mode «SMDE» in the measuring stand.

Hanging Mercury Drop Electrode (HMDE)

This video shows:

The principle of the electrode operating mode «HMDE».
How to test the electrode operating mode «HMDE» in the measuring stand.

Explosion drawing of MME Pro, Multi Mode Electrode pro

Assembly ring: 6.1247.210
Needle holder for MME pro: 6.1247.140
Needles for MME: 6.1247.020
Electrode body Multi-Mode Electrode pro (MME pro): 6.1246.120
Screw cap for the mercury refill opening: 6.1247.110
Adapter plug contact / screw contact: 6.2112.130
Silicone seal, green for MME pro: 6.1247.150
Wrench for MME: 6.1247.220
Retaining screw for capillary for MME pro: 6.1247.120
Glass capillary: Mercury drop capillary 6.1226.030 or Silanized mercury drop capillary 6.1226.050
Electrode stand for MME pro: 6.2615.130