Milwaukee MA919B/1 Refillable Combination pH Probe for the MI456 Mini Titrator

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SKU: MA919B/1
UPC: 810666009916
Range: 0 - 14 pH


The MA919B/1 probe is designed for use with the Milwaukee MI456 Total Acidity Mini Titrators Meters.

Design Features

Top features include:

Glass body

Glass body is ideal use in wine applications as it is easily cleaned and gives fast results.

Double Junction

The double junction means that virtually no silver from the reference cell is mixed with the sample and reduces the risks of clogging.


The ability to refill the electrolyte solution extends the life of the probe. Use MA9011 3.5M KCl fill solution. With a refillable pH electrode, best results are achieved if the fill cap is removed to create a higher flow rate. This results in a faster and more stable reading.

Care and Use

Properly maintaining your pH probe will give you fast, accurate results for longer.

Here are our top four tips.

1. Always store with the cap full of buffer or storage solution not water.

2. Clean your probe regularly by soaking in cleaning solution.

3. Calibrate after cleaning and/or storage before testing to adjust for changes in the pH probe sensor.

4. Gently stir the probe in the sample for a faster result.


Body: Glass

Reference: Double, Ag/AgCl

Junction: PTFE Sleeve, open

Electrolyte: KCl 3.5M

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: 3.3 feet

Connection: BNC