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Milwaukee MW105 MAX Waterproof pH / ORP / Temp Portable Meter

Article number: 895557
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Product information "Milwaukee MW105 MAX Waterproof pH / ORP / Temp Portable Meter"

Professional portable meter for measuring pH, redox potential, and temperature. The Milwaukee MW105 MAX features an extended pH measurement range, automatic temperature compensation, GLP functions, automatic multi-point calibration, and a rugged IP67-rated housing.

Milwaukee MW105 MAX waterproof pH, redox, and temperature meter

The Milwaukee MW105 MAX is a professional portable meter for determining pH, redox potential (ORP), and temperature. It combines many features of a laboratory benchtop meter with the flexibility of a mobile handheld device, making it suitable for demanding measurement tasks in laboratories, water analysis, environmental monitoring, industry, and field applications.

Its rugged, IP67-rated housing reliably protects the device against dust and water, allowing for use even in challenging environmental conditions. Thanks to its compact design, the MW105 MAX is easy to transport and can be used flexibly at various measurement locations.

A key feature of the device is its extended pH measurement range. This makes the MW105 MAX suitable for a wide range of applications requiring the monitoring of both highly acidic and highly alkaline solutions. High measurement accuracy and fine resolution ensure precise results, even for demanding tasks.

For user convenience, the meter features automatic multi-point calibration using various standard buffer solutions. Calibration data is stored along with time and date information, facilitating comprehensive documentation of calibrations. The integrated GLP function further supports measurement traceability and quality assurance.

In addition to pH measurement, the MW105 MAX measures redox potential and temperature. Automatic temperature compensation accounts for temperature fluctuations during pH measurement, contributing to high measurement reliability. The integrated temperature sensor enables direct temperature measurement without the need for additional sensors.

For energy-efficient operation, the device features an automatic shut-off function with various settings. This extends battery life and ensures reliable performance during daily mobile use.

The included reinforced pH/temperature probe is designed for professional use and is suitable for a wide range of applications in water analysis and process monitoring. Combined with high measurement accuracy, advanced diagnostic functions, and a robust design, this makes the Milwaukee MW105 MAX a powerful solution for professional users.

Technical Specifications

Measurement parameters: pH, ORP, temperature
Measurement range: pH: -2.00 to 20.00 | ORP: ±2000 mV | Temperature: -20.0 to 120.0°C / -4.0 to 248.0°F
Resolution: 0.01 pH | 0.1 mV | 0.1°C (0.1°F)
Accuracy: ±0.02 pH | ±1 mV | ±0.5°C (±1°C outside this range) | ±1°F (±2°F outside this range)

Key Benefits at a Glance

  • Simultaneous measurement of pH, ORP, and temperature
  • Extended pH measurement range for versatile applications
  • High measurement accuracy and fine resolution
  • Automatic temperature compensation
  • Automatic multi-point calibration with up to three calibration points
  • GLP function for documentation and quality assurance
  • Integrated clock with date and time function
  • Adjustable automatic shut-off function

Typical Applications

  • Water analysis
  • Environmental monitoring
  • Laboratory applications
  • Industry
  • Process monitoring
  • Water treatment

Scope of Delivery

  • Milwaukee MW105 MAX meter
  • MA906BR/1 pH/temperature probe
  • Batteries
  • User manual

Frequently Asked Questions

Yes, in addition to pH, the MW105 MAX measures temperature directly within the sample.

The device measures pH, redox potential (ORP), and temperature in a single handheld unit. This allows you to quickly and reliably monitor key water and process parameters. It is suitable for a wide range of applications in water analysis, hydroponics, beverage production, and laboratory settings.

Yes, it is particularly well-suited for beverages, nutrient solutions, and other challenging samples. The waterproof Milwaukee MW105 MAX 3-in-1 meter (pH/ORP/Temp.) is the preferred choice for analyzing viscous samples where conventional pH meters often fail. Whether for brewers, winemakers, hydroponic growers, or farmers, the MW105 is the ideal meter for fast, precise results.

The device delivers highly precise readings and is suitable for demanding applications.

No, the gel-filled probe is low-maintenance and designed for regular use.

Yes, the rugged, waterproof housing makes it ideal for on-site use.

No, calibration is easily performed at the touch of a button, ensuring consistently accurate measurements.

It offers an accuracy of ±0.02 pH, features automatic or manual temperature compensation, and includes an integrated GLP function (GLP = Good Laboratory Practice).

Dimensions

Height 11,5 cm
Length 30,5 cm
Width 28 cm

Weight

Weight 1,22 kg

Other attributes

Brand Milwaukee
Country of origin RO
Customs tariff number 38221900
Parameter Combined Multiparameter, ORP, Thermometers (°C), pH
Quality Advanced
Technical specifications
pH range*: -2.00 to 20.00 pH
pH range electrode: 0 to 12 pH 
ORP range: ±2000.0mV 
Temperature range meter: -20.0 to 120.00°C (-4.0 to 248.0°F) 
Temperature range electrode: -5 to 70°C (23 to 158°F)
Resolution: 0.01 pH
Resolution: 0.1mV 
Resolution: 0.1°C (0.1°F) 
Accuracy*: ±0.02 pH @ 25°C / 77°F 
Accuracy: ±1mV
Accuracy: ±0.5°C (±1°C outside) | ±1°F (±2°F outside) 
pH calibration: up to 3 points automatic pH calibration | 7 standard buffers (pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45)  
ORP calibration: factory calibrated  
Temperature compensation*: Automatic, -20.0 to 120.0°C (-4.0 to 248.0°F) or manual (without temperature probe)
pH electrode: MA906BR/1 amplified pH/temperature probe (supplied)
Accuracy electrode: ±0.02 pH (range 0 to 12 pH)  
Temperature probe: Built-in temperature sensor 
Impedance: 10 Ohm 
Battery type: 3 X 1.5V akaline AA (supplied)
Battery life: Approx. 200 hours  
Operating time automatic switch-off: selectable 5, 10, 30, 60 min. or off 
Environment: 0 to 50°C / 32 to 122°F; max. RH 95%  
Dimensions: 200 x 85 x 50 mm (7.9 x 3.3 x 2.0 in.) 
Housing: IP67
Weight: .26 Kg / 0.58 lbs (with battery)  
Warranty: 2 years

*Limits are reduced to the sensor limits
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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 pH 4.01 Calibration Buffer Solution 230ml (MA9004) Product number: 896151
Milwaukee pH 4.01 Calibration Buffer Solution 230ml (MA9004)
Article number: 896151
pH buffer: pH 4.01 (@25°C)

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.

€46.40*
Milwaukee pH 6.86 Calibration Buffer Solution 230ml (MA9006) Product number: 896152
Milwaukee pH 6.86 Calibration Buffer Solution 230ml (MA9006)
Article number: 896152
pH buffer: pH 6.86 (@25°C)

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.

€46.40*
Milwaukee pH 7.01 Calibration Buffer Solution 230ml (MA9007) Product number: 896153
Milwaukee pH 7.01 Calibration Buffer Solution 230ml (MA9007)
Article number: 896153
pH buffer: pH 7.01 (@25°C)

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.

€43.40*
Milwaukee pH 9.18 Calibration Buffer Solution 230ml (MA9009) Product number: 896154
Milwaukee pH 9.18 Calibration Buffer Solution 230ml (MA9009)
Article number: 896154
pH buffer: pH 9.18 (@25°C)

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.

€46.40*
Milwaukee pH 10.01 Calibration Buffer Solution 230ml (MA9010) Product number: 896155
Milwaukee pH 10.01 Calibration Buffer Solution 230ml (MA9010)
Article number: 896155
pH buffer: pH 10.01 (@25°C)

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.

€46.40*
Milwaukee storage solution, 230ml (MA9015) Product number: 896165
Milwaukee storage solution, 230ml (MA9015)
Article number: 896165

for pH/ORP electrodes

€43.40*
Milwaukee Cleaning Solution, 230ml (MA9016) Product number: 896166
Milwaukee Cleaning Solution, 230ml (MA9016)
Article number: 896166

for pH/ORP electrodes

€46.40*