SKU: SE300

Milwaukee Lab Grade Double Junction ORP Platinum Probe

Categories: SKU: SE300


Body: Resin

Reference: Single, Ag/AgCl

Junction: cloth

Electrolyte: Gel

Max pressure: 2 Bar

Range: ORP: ±2000 mV

Tip Shape: Platinum pin

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


The SE300 probe is designed for use with the Milwaukee MW500 PRO ORP Meter.


The Milwaukee Double Junction ORP Platinum Electrode probe makes ORP testing easy and low maintenance.

Top features include:

  • Double Junction

The double junction design reduces risk of clogging.

  • Gel filled

Using a gel removes the need to maintain the electrolyle levels.

  • Combination electrode

Combination electrode contains both the measuring half-cell and the reference half-cell to minimize electrostatic interference and provide consistent readings.

  • Resin body

The resin body is highly durable, chemically resistant and protects against accidental damage.


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

Here are our top three 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 ORP probe sensor.

Testing Parameters


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