Skip to main content Skip to search Skip to main navigation

Milwaukee PH51 waterproof pH Tester with replaceable probe

Article number: 895506
Our service hotline – We are here for you 📞 +49 (0) 5121 7609 99

Product information "Milwaukee PH51 waterproof pH Tester with replaceable probe"

Waterproof pH meter with a replaceable double-junction electrode for reliable pH measurements in aquaculture, pools, hydroponics, and laboratory applications. The Milwaukee PH51 stands out due to its ease of use, flexible one- or two-point calibration, and long battery life.

Milwaukee PH51 waterproof pH meter with replaceable probe

The Milwaukee PH51 is a compact, waterproof pH meter designed for reliable pH measurements across a wide range of applications. Its user-friendly design and robust construction make it suitable for both portable use and routine monitoring in aquaculture, pools, hydroponics, schools, and laboratories.

A key advantage of the PH51 is its replaceable pH electrode. If the probe wears out or performance declines, it can be replaced without needing to discard the entire meter. This extends the device's service life and reduces long-term operating costs. The integrated double-junction electrode ensures reliable and stable measurement performance.

For optimal accuracy, the device can be manually adjusted using one- or two-point calibration. The clear display allows for quick and easy reading of measurements, making the PH51 suitable for both experienced users and beginners.

Its waterproof housing makes the meter ideal for use in humid environments. The compact design ensures easy transport and handling, while the long battery life guarantees reliable operation over numerous measurements.

The Milwaukee PH51 offers a practical solution for anyone needing to monitor pH levels regularly while prioritizing ease of use, a replaceable electrode, and a robust design.

Technical data

  • Measurement parameter: pH
  • Measurement range: 0.0 to 14.0 pH
  • Resolution: 0.1 pH
  • Accuracy: ±0.1 pH
  • Calibration: Manual, 1- or 2-point

Advantages

  • Water-resistant housing for use in humid environments
  • Replaceable pH electrode for extended service life
  • Double-junction electrode
  • Compact and handy design
  • Long battery life
  • Easy to use
  • Suitable for mobile and stationary applications

Typical applications

  • Aquaculture
  • Coral care
  • Swimming pools
  • Hydroponics
  • Schools and education
  • Laboratory applications
  • Water analysis
  • General pH monitoring

Frequently Asked Questions

It’s used to measure whether the water is more acidic or more alkaline.

Yes, the device is waterproof and can be used without any problems in the garden, by the pool or outdoors.

It provides very accurate results with a margin of error of just ±0.1 pH.

You can see the current pH value on the display in a few seconds.

Yes. Simply switch it on, hold it in the water and read the value straight away.

Yes, the manual 2-point calibration is easy to understand and quick to perform.

Yes, the probe is replaceable and can be easily swapped out.

Ideal for aquariums, hydroponics, horticulture, swimming pools and many other applications.

Clean it regularly, calibrate it correctly and store the probe in storage solution.

Dimensions

Height 25,5 cm
Length 6,6 cm
Width 4,7 cm

Weight

Weight 100 g

Other attributes

Applications Aquaculture and Coral, Hydroponics, Pools, Schools
Brand Milwaukee
Country of origin RO
Customs tariff number 90278930
Parameter pH
Quality Basic
Specifications
Measuring range
pH Measuring range: 0.0 to 14.0 pH
Measuring resolution
pH Resolution: 0.1 pH
Measurement accuracy (@25°C / 77°F)
pH accuracy: ±0.1 pH
Typical EMC deviation
±0.1 pH
Temperature compensation
without
Calibration
Manual, 1 or 2 points through trimmers 
General
Electrode: double junction, interchangeable (MA73600)
Environment: 0 to 50 °C / 23 to 140 °F; max. RH 100%
Battery type: 3 x 1.5 V alkaline (supplied)
Battery life: approx. 1500 hours operating time
Dimensions: 165mm x diameter 30mm
Weight: approx. 80 g
Skip product gallery

Spare parts and accessories

Milwaukee M10004B pH 4.01 calibration solution, front of bag with product name and volume
Milwaukee M10004B pH 4.01 calibration solution in a sachet, 25 sachets á 20ml
Article number: 895526

Frequently Asked Questions Why do I need a buffer or calibration solution? It allows you to set up your measuring device correctly and ensures reliable readings. How often should I calibrate my measuring device? That depends on how often you use it. If used frequently, regular calibration is recommended. Is the Milwaukee calibration solution also suitable for other measuring devices? In many cases, yes, provided the same measurement range is used. Can I use an opened solution more than once? Yes, as long as it remains clean and is stored correctly. How do I store buffer and calibration solutions correctly? It is best to store them in a cool, dry place and keep them tightly sealed. How do I know when I should recalibrate? If the readings seem unusual or change significantly.

€69.40*
Milwaukee M10007B pH 7.01 calibration solution bag front, 25 bags of 20 ml visible, calibration solution pH 7.01 for accurate measurements
Milwaukee M10007B pH 7.01 calibration solution in a sachet, 25 sachets á 20ml
Article number: 895527

Frequently Asked Questions Why do I need a buffer or calibration solution? It allows you to set up your measuring device correctly and ensures reliable readings. How often should I calibrate my measuring device? That depends on how often you use it. If used frequently, regular calibration is recommended. Is the Milwaukee calibration solution also suitable for other measuring devices? In many cases, yes, provided the same measurement range is used. Can I use an opened solution more than once? Yes, as long as it remains clean and is stored correctly. How do I store buffer and calibration solutions correctly? It is best to store them in a cool, dry place and keep them tightly sealed. How do I know when I should recalibrate? If the readings seem unusual or change significantly.

€69.40*
Milwaukee M10010B pH 10.01 calibration solution bag front, 25 bags of 20 ml each, calibration solution pH 10.01 for precise pH measurement, Milwaukee pH 10 calibration solution in a practical bag, pH 10 reference solution for calibrating measuring devices
Milwaukee M10010B pH 10.01 calibration solution in a sachet, 25 sachets á 20ml
Article number: 895528

Frequently Asked Questions Why do I need a buffer or calibration solution? It allows you to set up your measuring device correctly and ensures reliable readings. How often should I calibrate my measuring device? That depends on how often you use it. If used frequently, regular calibration is recommended. Is the Milwaukee calibration solution also suitable for other measuring devices? In many cases, yes, provided the same measurement range is used. Can I use an opened solution more than once? Yes, as long as it remains clean and is stored correctly. How do I store buffer and calibration solutions correctly? It is best to store them in a cool, dry place and keep them tightly sealed. How do I know when I should recalibrate? If the readings seem unusual or change significantly.

€69.40*
Milwaukee storage solution, 230ml (MA9015) Product number: 896165
Milwaukee storage solution, 230ml (MA9015)
Article number: 896165

for pH/ORP electrodes

€43.40*