Pocket Tester · PRO Series · IP65

pH55 PRO

Compact waterproof 2-in-1 pH and temperature tester with replaceable probe, dual-level LCD, and automatic temperature compensation. Half the weight of competing testers.

pH Accuracy
±0.1
pH Range
-2 – 16
Weight
3.5 oz
Rating
IP65
Request Quote Full Specifications
Milwaukee pH55 PRO
Technical Data

Full Specifications

pH & Temperature

pH Range
-2.0 – 16.0
pH Resolution
0.1
pH Accuracy
±0.1
Calibration
1 or 2-point automatic
Buffer Sets
2 memorized (4/7/10 & 1.68/4.01/7.01/10.01)
Temp Range
0 – 60 °C
Temp Accuracy
±0.5 °C / ±1 °F
ATC
Automatic

Design & Power

Waterproof Rating
IP65
Weight
3.5 oz (100 g)
Display
Dual-level LCD
Replaceable Probe
MI56P
Battery
4 × 1.5 V (IEC LR44)
Battery Life
~150 h continuous
Auto-Off
8 min
Hold Function
Yes (SET/HOLD button)

What's in the Box

  • ✓pH55 PRO tester with MI56P probe
  • ✓4 × 1.5 V batteries (installed)
  • ✓Sample sachets of pH 7.01 buffer + storage solution
  • ✓Lanyard, instruction manual

Why pH55 PRO

  • ✓Half the weight of competing pocket testers
  • ✓Replaceable probe — extend meter life indefinitely
  • ✓Two buffer sets pre-programmed for common workflows
  • ✓Waterproof floats — drop it in the pond safely
Ideal For

Where It Shines

The pH55 PRO is the go-to daily-use tester for growers, aquarists, pool techs and QC staff who need fast, reliable pH on the move.

  • ✓Hydroponics & growers — daily nutrient pH checks
  • ✓Aquariums & aquaculture — water quality maintenance
  • ✓Pool & spa service — field compliance testing
  • ✓Brewing & fermentation — mash and wort monitoring
Milwaukee pH55
Included with Every Unit

The MIMOSA Promise

🚚

Delivery in Syria

Nationwide shipping

🧪

Calibration Sachets

pH 4.01 / 7.01 / 10.01 packets

🔄

MI56P Probes

Replacement electrodes stocked

🎓

Operator Training

Calibration & use

Interested in the pH55 PRO?

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