Replacement pH probe MILWAUKEE MA911B/2

Replacement pH probe with double junction, laboratory-grade, with a 2-meter cable.

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Sonde pH de remplacement MILWAUKEE MA911B/2
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  • Sonde pH de remplacement MILWAUKEE MA911B/2
  • Sonde pH de remplacement MILWAUKEE
Sonde pH de remplacement MILWAUKEE MA911B/2
Sonde pH de remplacement MILWAUKEE MA911B/2 Sonde pH de remplacement MILWAUKEE
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€65.89
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DESCRIPTION

The MA911B/2 probe is a laboratory-grade gel-filled pH probe for use with Milwaukee monitors and controllers.

DESIGN FEATURES
Key features include:

DOUBLE JUNCTION
The double junction design reduces the risk of clogging.

SPHERICAL GLASS TIP
The spherical glass tip provides the largest possible surface area for faster results.

RESIN BODY
The resin body is resistant to accidental shocks and also protects the glass sensing bulb.

EXTENDED CABLE
Provides a 6.6-foot cable for increased measurement flexibility.

USAGE AND MAINTENANCE
pH meters typically start to malfunction due to problems with the probe. The two parts of the pH probe that cause issues are the glass sensing bulb and the reference junction.

SENSING BULB
The glass bulb loses sensitivity with use and will eventually fail. This is true for all pH probes.

REFERENCE JUNCTION
The reference junction is a small hole that allows the meter to compare the sample to a reference. The reading is generated based on the electrical difference between the sample and the reference. If the junction hole gets clogged, the pH probe will stop functioning.

You can extend the life of your pH electrode in the following ways.

STORAGE
The pH probe must be kept hydrated. Long periods of dry storage will damage the probe's sensitivity. Allowing the probe to dry out can also result in the junction hole becoming clogged.

Storing in a pH probe storage solution or pH calibration buffers will help address both issues. Do not store in tap water and DI water. This will damage the probe's sensitivity.

The best way to store the probe is with the probe cap filled with storage solution or calibration buffer and the cap tightened to prevent leaks. It is also recommended to store the electrode in an upright position to further reduce the risk of leakage.

CLEANING
Sample residues can affect the sensitivity of the sensing bulb and block the junction. This is especially true if the sample contains a lot of organic material. We recommend regularly soaking your electrode in a cleaning solution.

CALIBRATION
pH sensing bulbs become less sensitive over time, so make sure to calibrate regularly to keep your pH meter PRO accurate. Also calibrate after cleaning or a long period of storage.