Milwaukee Instruments pH Probe - Double Junction
Milwaukee Instruments pH Probe - Double Junction
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Milwaukee Instruments pH Probe - Double Junction

2 sold in last 8 hours
MA 911B/2
$35.00

DESCRIPTION

The MA911B/2 probe is lab grade, gel-filled pH probe for use with Milwaukee Monitors and...

$35.00

customers are viewing this product
Milwaukee Instruments pH Probe - Double Junction

DESCRIPTION

The MA911B/2 probe is lab grade, gel-filled pH probe for use with Milwaukee Monitors and Controllers.

DESIGN FEATURES

Top features include:

DOUBLE JUNCTION

The double junction junction design reduces the risk of clogging.

SPHERICAL GLASS TIP

The sperical glass tip provide the largest possible surface area for faster results.

RESIN BODY

The resin body is tough to withstand accidental knocks and also protects the glass sensing bulb.

EXTENDED CABLE

Offers a 6.6 feet cable for increased flexibility in measuring.

USE AND CARE

pH meters usually start performing poorly because of problems with the probe. The two parts of the pH probe that cause problems 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 of 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 reference. If the junction hole gets clogged, the pH probe will no longer function.

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

STORAGE

The pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged.

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

The best way to store the probe is with the probe's cap filled with storage solution or calibiration buffer and the cap tightened to prevent leakage. It is also recommended that to store the electrode upright to further reduce the potential for leakage.

CLEANING

Residue from the sample can impact the sensitivity of the sensing bulb and block the junction. This is especially true if the sample has a lot of organic material. We recommend regularly soaking your electrode in cleaning solution.

CALIBRATION

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

SPECIFICATIONS

Body: Resin

Reference: Single, Ag/AgCl

Junction: Ceramic, single

Electrolyte: Gel

Range: 0-14 pH

Tip Shape: Sphere

Diameter: 0.5 inches

Dimensions: 4.7 inches / 6.4 inches

Operating Temperature: -5 to 70°C (23 to 158°F)

Cable length: 6.6 feet

Connection: BNC

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