Why pH Matters in Your Process

pH is one of the most critical parameters across brewing, winemaking, hydroponics, agriculture, and food production. Even small pH variations can dramatically impact fermentation, nutrient availability, product quality, and safety. The Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter delivers lab-grade accuracy in a portable, user-friendly package designed for professionals who demand precision.

Understanding pH Measurement

pH measures the acidity or alkalinity of a solution on a scale from 0 (most acidic) to 14 (most alkaline), with 7 being neutral. Accurate pH measurement is essential for:

• Brewing - Mash pH affects enzyme activity, extraction efficiency, and final beer flavor
• Winemaking - pH influences fermentation, microbial stability, color, and aging potential
• Hydroponics - Nutrient availability is pH-dependent; wrong pH locks out essential elements
• Agriculture - Soil and irrigation water pH determines nutrient uptake and plant health
• Food Production - pH affects safety, shelf life, texture, and regulatory compliance

Meet the Milwaukee MW102 PRO+

The MW102 PRO+ represents Milwaukee Instruments' commitment to bringing laboratory-grade measurement to field and production environments. This 2-in-1 meter measures both pH and temperature with exceptional accuracy, making it an indispensable tool for quality-focused professionals.

5X More Accurate Than Standard Meters

With ±0.02 pH accuracy, the MW102 PRO+ is five times more accurate than many competing meters. This precision matters when you're dialing in mash pH for optimal extraction, monitoring wine stability, or maintaining tight nutrient solution parameters.

Key Features & Benefits

Lab-Grade Double Junction Electrode

The included SE220 gel-filled, double junction pH electrode delivers professional-grade performance. The double junction design prevents sample contamination and extends electrode life, especially in challenging samples like wine, beer, and high-salt solutions.

Automatic Temperature Compensation (ATC)

pH readings are temperature-dependent. The MW102 PRO+ automatically compensates for temperature variations from 0-70°C, ensuring accurate pH readings regardless of sample temperature. The rugged stainless steel temperature probe provides fast, reliable temperature measurement.

Extended pH Range

Measure from -2.00 to 16.00 pH with 0.01 pH resolution. This extended range handles everything from acidic wine and beer to alkaline cleaning solutions and soil amendments.

Simple Two-Point Calibration

Push-button automatic calibration at two points (typically pH 4.01 and 7.01 or 10.01) ensures accuracy across your measurement range. The meter guides you through the process, making calibration quick and foolproof.

3-Foot Probe Cables

Long cables provide flexibility for measuring in fermentation vessels, tanks, reservoirs, and field locations without awkward positioning or sample transfer.

Long Battery Life

Get approximately 300 hours of operation from a single 9V battery (included). Auto shut-off after 8 minutes of inactivity conserves power.

Technical Specifications

• pH Range: -2.00 to 16.00 pH
• pH Resolution: 0.01 pH
• pH Accuracy: ±0.02 pH
• Temperature Range: -5 to 70°C (23 to 158°F)
• Temperature Resolution: 0.1°C / 0.1°F
• Temperature Accuracy: ±0.5°C at 25°C
• ATC Range: 0 to 70°C
• Electrode: SE220 gel-filled double junction
• Temperature Probe: Stainless steel
• Cable Length: 3 feet (both probes)
• Battery: 9V (included, ~300 hours)
• Auto-off: 8 minutes
• Dimensions: 5.7 x 3.1 x 1.6 inches
• Weight: 1.1 lbs with battery
• Operating Environment: 0-50°C, max 95% RH

Professional Applications

Brewing

Mash pH is critical for enzyme activity and extraction efficiency. The MW102 PRO+ helps brewers dial in the optimal 5.2-5.6 pH range for maximum efficiency and flavor development. Monitor sparge water, wort, and finished beer pH to ensure consistency batch after batch.

Winemaking

Wine pH affects everything from fermentation kinetics to microbial stability, color intensity, and aging potential. The MW102 PRO+ provides the accuracy winemakers need to make informed decisions about acid additions, malolactic fermentation timing, and SO₂ management. The double junction electrode handles wine's challenging chemistry with ease.

Hydroponics & Aquaponics

Nutrient availability is highly pH-dependent. Most hydroponic crops thrive in the 5.5-6.5 pH range, where all essential nutrients remain available. The MW102 PRO+ helps growers maintain optimal pH for maximum nutrient uptake, preventing deficiencies and toxicities that reduce yields.

Agriculture & Soil Testing

Test soil slurries and irrigation water to optimize nutrient availability and prevent pH-related problems. The extended range handles alkaline soils and acidic amendments with equal precision.

Food Production

pH is a critical control point for food safety and quality. Monitor fermented foods, dairy products, sauces, and beverages to ensure safety, consistency, and regulatory compliance. The food-grade probe option (MW102-FOOD) is available for direct food contact applications.

Specialized Versions Available

Milwaukee offers specialized MW102 configurations for specific applications:

• MW102-FOOD PRO+ - Includes food-grade penetration probe for direct testing of semi-solid foods
• MW102 WINE KIT PRO+ - Optimized for winemaking with wine-specific electrode and accessories
• Bundle Packs - Include calibration solutions, storage solution, and hard carrying case

What's Included

The MW102 PRO+ standard package includes:

• MW102 PRO+ meter
• SE220 gel-filled double junction pH electrode with 3-foot cable
• Stainless steel temperature probe with 3-foot cable
• 9V battery
• Comprehensive instruction manual

Note: Calibration solutions and storage solution are sold separately or available in bundle packs.

Calibration & Maintenance

For best results, calibrate the MW102 PRO+ regularly using fresh pH buffer solutions. We recommend:

• Two-point calibration at pH 4.01 and 7.01 (or 10.01 for alkaline samples)
• Calibration before first use and weekly during regular use
• Proper electrode storage in storage solution (not distilled water)
• Periodic electrode cleaning and conditioning

We stock all necessary calibration solutions, storage solutions, and replacement electrodes to keep your meter performing at its best.

Milwaukee Instruments Quality

Milwaukee Instruments has earned a reputation for reliable, accurate measurement tools trusted by professionals worldwide. The MW102 PRO+ continues this tradition with precision engineering, quality components, and comprehensive support.

Investment in Precision

At $195.20, the Milwaukee MW102 PRO+ represents exceptional value for professionals who need lab-grade pH measurement. The combination of ±0.02 pH accuracy, automatic temperature compensation, rugged construction, and long battery life makes it an essential tool for quality-focused operations.

Take Control of Your pH

Whether you're brewing award-winning beer, crafting premium wine, optimizing hydroponic yields, or ensuring food safety, the Milwaukee MW102 PRO+ delivers the accurate, reliable pH data you need to make informed decisions and achieve consistent results.

Order your MW102 PRO+ today and experience lab-grade pH measurement in a portable package.