Specifications

Application

PH58 in Hydroponics & Greenhouses

Maintaining the right pH and ORP levels in a hydroponic or greenhouse environment is critical to plant health and nutrient absorption. Even slight imbalances can lead to nutrient lockout, root damage, or stunted growth. That’s why growers – whether hobbyists or commercial operators – rely on accurate, real-time water testing.

The Milwaukee PH58 gives hydroponic growers the power to measure pH, ORP (Oxidation-Reduction Potential), and temperature with a single, compact, waterproof device. With ±0.05 pH accuracy, it provides precise control over the nutrient solution, helping you achieve the ideal conditions for plant growth.

Why pH & ORP Matter in Hydroponics

·        pH affects nutrient availability: Most plants thrive in the 5.5–6.5 range. Too high or too low, and key nutrients like nitrogen, phosphorus, and potassium become inaccessible to roots.

·        ORP indicates the oxidation-reduction condition of the solution. Interpret ORP as a site-specific trend under consistent operating conditions. ORP alone does not identify contamination or verify disinfectant concentration.

·        Temperature impacts plant metabolism and nutrient uptake: Warm water reduces oxygen content and increases the risk of pathogens, while cold water slows root activity.

The PH58 helps you monitor these values on the go – giving you the data you need to make immediate adjustments and avoid costly mistakes. Its replaceable probe ensures a long service life, even in nutrient-rich solutions that can wear out sensors faster.

How to Use the PH58 in Hydroponics

Preparation

·       Calibrate the PH58 in pH mode using suitable pH buffers that bracket the expected sample range. The ORP range is factory calibrated. Contact an authorised Milwaukee service centre if ORP recalibration is required.

·       Rinse the probe with distilled water before and after each use to prevent contamination.

Measurement

1.       Turn on the meter by pressing the ON/OFF button.

2.       Insert the probe directly into your nutrient solution reservoir or sample container.

3.       Stir gently to stabilize the reading. The dual display will show both pH (or ORP) and temperature values.

4.       Wait for the stability indicator to appear, then take note of the readings.

5.       Use the HOLD button if you want to freeze the result for recording.

Adjust as Needed

·       If pH is too low or high, adjust with pH up/down solutions until your target range (typically 5.8–6.2) is reached.

·      If ORP is monitored, compare results with a validated, site-specific baseline under consistent operating conditions. Do not adjust oxidant or disinfectant dosing solely from a universal ORP target.

·       Make sure temperature stays between 18–24 °C (65–75 °F), ideal for most hydroponic crops.

Aftercare

·       Rinse the probe again with distilled water.

·       Store the PH58 with the cap filled with storage solution (not water!) to preserve probe life.

PH58 in Aquaculture, Aquariums & Aquaponics

Whether you're running a commercial fish farm, maintaining a thriving home aquarium, or managing a sustainable aquaponic system, water quality is the foundation of success. Fish, plants, and beneficial bacteria all depend on balanced water chemistry – and even small fluctuations in pH, ORP, and temperature can quickly lead to stress, disease, or system failure.

That’s where the Milwaukee PH58 shines. This compact, waterproof tester gives you fast, reliable readings of three essential parameters – pH, Oxidation-Reduction Potential (ORP), and temperature – helping you detect problems early and maintain stable, healthy aquatic environments.

From hobbyists caring for ornamental fish to professionals raising tilapia or shrimp, the PH58 is a go-to tool for water monitoring. It combines lab-grade accuracy with on-the-go convenience, offering automatic temperature compensation, a replaceable probe, and a dual-display LCD – everything you need for daily system checks or deeper water diagnostics.

Why pH, ORP & Temperature Matter in Aquatic Systems

·        pH affects fish health, plant nutrient uptake (in aquaponics), and microbial activity. Most freshwater species thrive between 6.5 and 8.0. Outside this range, fish can experience stress, poor digestion, and lowered immunity.

·        ORP (Oxidation-Reduction Potential) reflects oxidation-reduction conditions in the water and can support trend monitoring. The result depends on water composition, pH and operating conditions, so it should be interpreted against a validated baseline for the same system rather than a universal target range.

·        Temperature controls metabolic rates, oxygen solubility, and ammonia toxicity. Tropical aquariums, for example, require water between 24–27 °C, while aquaponic systems often aim for 18–24 °C to keep both fish and plants happy.

By tracking all three parameters with a single instrument, the PH58 allows you to respond quickly to changes – whether it's a pH swing after a feeding cycle or a drop in ORP that signals water fouling or equipment failure.

How to Use the PH58 in Aquaculture, Aquariums & Aquaponics

Calibrate for Accuracy

Before use, calibrate the PH58 in pH mode using suitable pH buffers. The ORP range is factory calibrated and cannot be recalibrated by the user. Contact an authorised Milwaukee service centre if ORP recalibration is required. Set the pH calibration frequency according to the conditions of use and the required measurement accuracy.

Take Your Measurements

1.       Turn on the tester and rinse the probe with distilled water.

2.       Submerge the probe into the tank, pond, or sump. Avoid touching substrate or tank walls to ensure consistent readings.

3.       Wait for the stability indicator to disappear. The main display will show the selected pH or ORP value, while temperature is shown on the secondary display.

4.       Press the HOLD button to freeze the reading if needed for documentation or adjustment purposes.

Pro tip: Always measure away from water inlets or aerators to avoid turbulence that could affect results.

Interpret and Act

·       If pH is out of range: Adjust slowly with buffers or water changes. Sudden shifts are dangerous for fish and bacteria.

·       If ORP changes unexpectedly, compare the result with the established baseline for the same system and investigate possible causes using appropriate direct measurements. Do not diagnose water quality or adjust treatment from ORP alone.

·       If temperature is too high or low: Adjust heaters or shade ponds. Consistent temps are key for both fish health and plant metabolism.

Clean and Store the Tester

·       Rinse the probe with distilled water after each use.

·       Store with the cap filled with pH storage solution (never dry or in pure water).

·      Replace the MI58P probe if readings remain erratic or sluggish after cleaning and pH calibration.

 Where It Shines

Fish Farms & Aquaculture Facilities – Maintain optimal growth and prevent disease outbreaks.
Tropical & Cold-Water Aquariums – Keep sensitive species like discus or koi in ideal conditions.
Aquaponic Systems – Balance the needs of plants, fish, and bacteria with precision.

 Healthy water = healthy life. With the Milwaukee PH58, you’re not just testing water – you’re building a stable ecosystem where aquatic life and plant growth can truly thrive.

PH58 in Swimming Pools & Spas

Crystal-clear water doesn’t happen by chance. Behind every pristine pool or relaxing spa lies a carefully managed balance of pH, ORP (Oxidation-Reduction Potential), and temperature – three essential parameters that affect water clarity, sanitation, comfort, and safety. If these values are off, even by a small margin, you can quickly face issues like cloudy water, skin and eye irritation, ineffective disinfection, or damage to your pool equipment.

The Milwaukee PH58 is the perfect portable solution for everyday water testing in both private and commercial pools and hot tubs. This 3-in-1 tester measures pH, ORP, and temperature with fast, accurate results, giving you the tools to monitor and adjust your water chemistry on the spot – without the guesswork of test strips or the complexity of large control systems.

Whether you’re a homeowner looking to keep your backyard pool balanced, a maintenance technician managing multiple installations, or a spa operator ensuring guest safety and comfort, the PH58 helps you keep your water clean, safe, and stable with lab-grade precision in your pocket.

Why pH, ORP & Temperature Are Critical in Pool & Spa Maintenance

·        pH affects both water comfort and the effectiveness of chlorine. If pH is too low (acidic), it can cause corrosion and eye/skin irritation. If too high (alkaline), it can lead to cloudy water, scale formation, and reduced chlorine efficiency. The ideal range is typically 7.2 to 7.6.

·        ORP indicates the oxidising conditions in the water and can support process trend monitoring. It is affected by pH, disinfectant chemistry, temperature and water composition. ORP does not replace direct measurement of free chlorine, total chlorine or bromine.

·        Temperature impacts swimmer comfort and water chemistry. Warmer water can speed up sanitizer depletion and promote algae growth. Typical ideal temperatures:

Pools: 26–28 °C (78–82 °F)

Spas: 37–39 °C (98–102 °F)

Regularly monitoring these parameters helps prevent imbalances before they cause problems, ensuring a clean and enjoyable water experience for everyone.

How to Use the PH58 in Swimming Pools & Spas

Calibrate for Accuracy

Take Your Measurement

1.       Turn on the PH58 and rinse the probe with distilled water.

2.       Submerge the probe directly into your pool or spa water. For more consistent readings, take the sample from elbow depth, away from jets, skimmers, or returns.

3.       Allow the reading to stabilize. The main display will show either pH or ORP, depending on the selected mode, while temperature is shown on the secondary display.

4.       Press HOLD if needed to freeze the display and record the values.

Target values must be defined by the operator according to the treatment system, disinfectant chemistry and applicable local requirements. The PH58 does not establish universal pH, ORP or temperature targets.

Confirm an unexpected result with a repeat measurement under consistent sampling conditions. Measure the disinfectant residual directly before making treatment adjustments and follow the site’s approved chemical dosing procedure. Do not add chlorine or bromine solely because an ORP result appears low.

 Clean and Store the Tester

·       Rinse the probe thoroughly with distilled water after use.

·       Store with the cap filled with storage solution (never dry or in pure water).

·       Replace the MI58P probe if readings remain unstable or slow after cleaning and pH calibration.

 Where It Works Best

Private backyard pools – Quick check after adding chemicals or before swimming
Commercial pools & spas – Fast, portable tool for on-site staff
Wellness centers & hotels – Ensure hygiene and comfort for guests
Hot tubs & jacuzzis – Monitor small-volume, high-temperature water systems

 Stay ahead of water problems with the Milwaukee PH58 – compact, reliable, and built for the clarity, comfort, and confidence pool and spa users expect.

PH58 in Food & Beverage Production

From cheese-making and fermentation to sanitization and ingredient control, accurate pH and ORP monitoring is critical in food and beverage production. Quality, safety, and taste all depend on maintaining the right chemical conditions – whether you're brewing kombucha, curing meats, fermenting wine, or ensuring that your CIP (Clean-In-Place) systems are effective.

The Milwaukee PH58 Waterproof Tester is a compact, professional-grade tool designed to support food safety and production workflows. With the ability to measure pH, ORP (Oxidation-Reduction Potential), and temperature in one waterproof, easy-to-clean device, it offers reliable, on-the-spot testing in the most demanding environments. The replaceable probe makes it a cost-effective solution for industries that work with high-protein, acidic, or high-temperature samples, which can wear out sensors over time.

The PH58 can support routine process spot checks when used within a validated measurement procedure. Suitability for HACCP, ISO or critical control point monitoring must be established by the operator; the instrument itself does not confer regulatory compliance.

 Why pH, ORP & Temperature Are Critical in Food & Beverage Applications

·       pH affects everything from shelf life to flavor to food safety. In fermentation, pH indicates the progress of microbial activity. In cheese or yogurt making, it affects texture and curd formation. In meats or brining, pH helps control spoilage and enzymatic activity. Most regulatory bodies require precise pH tracking in critical control points (CCPs).

·       ORP (Oxidation-Reduction Potential) can support trend monitoring of oxidation-reduction conditions within a validated production or cleaning process. ORP alone does not verify sanitiser concentration, surface disinfection or cleaning effectiveness.

·       Temperature plays a major role in reaction speed, microbial growth, and food safety. For example, fermentation temperatures affect yeast behavior, while incorrect temperatures during sanitization or blending can spoil a batch.

The PH58 provides portable spot measurements of either pH or ORP together with temperature, making it suitable for grab samples, tank checks and other defined process checkpoints.

 How to Use the PH58 in Food & Beverage Production

Calibrate for Reliable Results

 Prepare Your Sample

·       Ensure the sample is at room temperature (or note the temp if you're measuring during a heated process).

·       For semi-solid samples, use a validated sample-preparation method appropriate to the product. Dilution with deionised water changes the sample basis and should be used only when prescribed by the selected method.

·       Clean off any oils, fats, or proteins from the probe before and after measurement.

 Measure pH / ORP / Temp

1.       Turn on the PH58 and rinse the probe with distilled or deionized water.

2.       Insert the probe into the sample, ensuring good contact. For liquids, stir gently to stabilize readings.

3.       Wait for the stability icon to appear, which confirms an accurate result.

4.       Record the selected pH or ORP result shown on the main display together with the temperature shown on the secondary display. Switch measurement mode if the other electrochemical parameter is also required.

5.       Press HOLD to freeze the result for documentation if needed.

 Clean and Store the Probe

·       Rinse the probe after use. If deposits remain, use an electrode-cleaning solution suitable for the sample and follow the applicable cleaning instructions.

·       Store the probe in pH storage solution, never dry or in plain water, to maintain sensitivity.

·       Replace the MI58P probe if readings remain slow or unstable after cleaning and pH calibration.

 Where the PH58 Excels in Food & Beverage

Dairy & Cheese Production – Monitor milk acidity and curd formation
Fermentation (Beer, Wine, Kombucha) – Track microbial activity and sanitation
CIP Process Checks – Track ORP within a validated cleaning procedure and verify cleaning chemistry by direct methods where required
Pickling & Brining – Control acidity to prevent spoilage
Sauce & Dressing Production – Ensure product consistency and pH balance
Quality Assurance Labs – Portable checks across production points

  Portable and easy to use, the PH58 supports routine pH, ORP and temperature spot checks when included in an appropriate measurement and quality-control procedure.

PH58 in Environmental Field Testing

When it comes to understanding and protecting our environment, accurate water quality measurements are essential. Whether you're monitoring the impact of agricultural runoff, assessing the health of a freshwater stream, or conducting a baseline study for environmental compliance, having a reliable, portable, and easy-to-use instrument in the field is critical.

The Milwaukee PH58 Waterproof pH/ORP/Temperature Tester is designed for portable on-site measurements. With its waterproof design, replaceable MI58P probe and dual-line LCD, the PH58 provides either a pH or an ORP reading together with temperature.

The PH58 can support field screening and trend monitoring of pH, ORP and temperature when measurements are collected under consistent sampling conditions. Results must be interpreted together with the sampling plan and any additional parameters required by the selected environmental method.

 Why pH, ORP & Temperature Matter in Environmental Monitoring

·        pH is one of the most fundamental indicators of water quality. It affects chemical solubility, nutrient availability, and the health of aquatic ecosystems. Most freshwater environments naturally range between 6.5 and 8.5, but sudden changes can indicate contamination, acid rain, or other environmental stressors.

·        ORP (Oxidation-Reduction Potential) reflects oxidation-reduction conditions and can be useful for detecting changes within the same monitoring programme. A high or low ORP result does not by itself demonstrate good water quality, contamination or a specific biological condition.

·        Temperature affects everything from dissolved oxygen levels to metabolic rates of aquatic life. It also influences the speed of chemical reactions and microbial processes. Knowing the temperature helps contextualize pH and ORP readings more accurately.

How to Use the PH58 in Environmental Field Testing

Prepare Your Meter

·       Before heading to the field, check the condition of the four LR44/A76 batteries and calibrate the PH58 in pH mode using suitable pH buffers. The ORP range is factory calibrated and cannot be recalibrated by the user.

·       If you'll be away from the lab for extended periods, pack extra calibration solutions and distilled water for rinsing.

Choose Your Sampling Location

·       Select sites away from active flow disturbances (e.g., waterfalls, dams) unless specifically monitoring turbulence effects.

·       Note GPS coordinates and ambient conditions (weather, recent rain, etc.) to log with your measurements.

Take Your Measurement

1.       Turn on the PH58. Rinse the probe in distilled water, then shake off excess liquid.

2.       Immerse the sensing end of the probe in the sample according to the selected sampling procedure. Use the same sampling location, depth and method when comparing results over time.

3.       Wait for the readings to stabilize (use the HOLD function to freeze the result if needed).

4.      Select pH or ORP mode using the SET/HOLD button. The selected pH or ORP result is shown on the main display, while temperature is shown on the secondary display.

Tip: For more consistent data, take readings at the same depth and time of day at each site, and avoid areas near debris or heavy algae.

Record and Rinse

·       Log the values manually or via your environmental monitoring app, including date, time, location, and weather conditions.

·       Rinse the probe with distilled water before moving to the next site to avoid cross-contamination.

End of Day Maintenance

·       After fieldwork, rinse the electrode thoroughly, and if heavily soiled, clean gently with electrode cleaning solution.

·       Recalibrate the pH range when required. The ORP range is factory calibrated. Store the probe with a few drops of MA9015 storage solution or pH 7 solution in the protective cap. Never store the probe dry or in distilled or deionised water.

Typical Environmental Applications of the PH58

Stream & river health monitoring – Track pH shifts from acid rain, pollution, or seasonal changes
Wetland studies – Observe ORP fluctuations related to oxygenation, microbial activity, or nutrient cycling
Urban runoff & stormwater assessments – Spot chemical imbalances and pH/ORP indicators of contamination
Agricultural water management – Check for pH/ORP changes due to fertilizers, pesticides, or manure runoff
Environmental education & field labs – A rugged and easy-to-use tool for students and citizen science projects
Site remediation projects – Monitor redox status and chemical conditions during bioremediation or cleanups

 Built for real-world fieldwork, the Milwaukee PH58 gives environmental professionals the power to test, trust, and take action  –  all from the palm of your hand.

PH58 in Wastewater & Water Treatment

Accurate monitoring of pH, ORP, and temperature is essential in both municipal and industrial wastewater treatment processes. Whether you're neutralizing effluents, controlling disinfection, or managing biological treatment stages, the Milwaukee PH58 Waterproof pH/ORP/Temperature Tester delivers fast, accurate, and portable measurements in demanding conditions.

In wastewater systems, pH affects chemical dosing, sludge processing, and biological activity. ORP is widely used to assess oxidation-reduction conditions – critical for aerobic digestion, denitrification, and disinfection monitoring. With a replaceable probe, waterproof housing, and dual-line display, the PH58 is designed for reliable field or plant-side use, even in harsh, wet environments.

For plant operators, technicians and environmental engineers, the PH58 provides portable spot checks that can be compared with process-instrument readings. Such comparisons do not replace the prescribed calibration or verification procedure for an online sensor.

 Why pH, ORP & Temperature Matter in Water Treatment

·        pH control is vital in processes like neutralizing acidic or alkaline discharges, optimizing flocculant and coagulant effectiveness and 

o   Maintaining stable conditions for biological treatment (typically pH 6.5–8.5)

·        ORP indicates oxidation-reduction conditions and can support process trend monitoring. The significance of an ORP value depends on the treatment stage, pH, water composition, temperature and process conditions. Universal ORP thresholds should not be used to confirm disinfection, aerobic or anaerobic conditions, or treatment compliance.

·        Temperature impacts reaction rates, microbial efficiency, and gas solubility. Accurate temp readings help operators adjust treatment strategies accordingly, especially in seasonal or outdoor systems.

By providing either pH or ORP together with temperature, the PH58 can support routine process spot checks. These three parameters do not provide a complete assessment of process water chemistry or demonstrate regulatory compliance on their own.

How to Use the PH58 in Water & Wastewater Applications

Calibrate the Instrument

·  Calibrate the PH58 in pH mode using suitable pH buffers at a frequency appropriate to the measurement procedure. The ORP range is factory calibrated and cannot be recalibrated by the user. Contact an authorised Milwaukee service centre if ORP recalibration is required. 

·        Allow the device to stabilize at ambient plant temperature for best results.

 Prepare for Sampling

·        Rinse the probe with distilled water to avoid contamination.

·        For in-plant checks:

o   Collect a grab sample from process tanks, effluent lines, or clarifiers.

o   For field use: Follow the site’s sampling and safety procedure. Where direct measurement is not specifically permitted, collect a representative grab sample. Do not use or store the PH58 in a hazardous environment.

Take the Measurement

1.       Submerge the probe in the sample, ensuring full coverage of the sensor.

2.       Wait for the stability icon to appear.

3.      Select pH or ORP mode using the SET/HOLD button. Read the selected pH or ORP result on the main display and temperature on the secondary display.

4.       Use the HOLD function to freeze the current display for convenient manual recording. The PH58 does not store or log measurement data.

 Clean and Store

·       After testing, rinse the probe with distilled water to prevent buildup.

·       If fouled by sludge or biofilm, gently clean with electrode cleaning solution.

·       Always store the pH sensor in storage solution (not dry or in tap water).

 Where PH58 Excels in Water & Wastewater Monitoring

Primary treatment – Check incoming pH and ORP before neutralization or screening
Biological reactors – Monitor conditions for nitrification/denitrification
Sludge processing – Ensure suitable pH for digestion, dewatering, or lime stabilization
Effluent discharge – Perform routine pH or ORP spot checks where permitted by the applicable sampling and analytical procedure
Disinfection stages – Track ORP under consistent process conditions and measure disinfectant residual using the prescribed direct method
Industrial pretreatment – Monitor process water from food, pharma, or chemical plants before discharge

Compact, durable, and ready for harsh environments, the Milwaukee PH58 is the go-to handheld tester for water treatment professionals who need fast, reliable results wherever the job takes them.

PH58 in Educational & Laboratory Use

Whether in a high school chemistry lab, a university environmental science program, or a technical training institute, the Milwaukee PH58 Waterproof pH/ORP/Temperature Tester offers an ideal blend of hands-on learning, precision, and reliability. It's designed to help students, educators, and researchers understand the essential principles of water chemistry through direct measurement of pH, oxidation-reduction potential (ORP), and temperature – three of the most fundamental and instructive parameters in liquid analysis.

The PH58's clear digital display, simple operation, and replaceable electrode make it especially suitable for repeated classroom use, student-led experiments, and introductory-level training in water quality analysis. For laboratory researchers, it provides a fast and reliable way to perform routine spot checks, verify experimental conditions, or support process development with accurate field-style instrumentation.

This compact meter encourages learners to explore real-world chemical processes – from acid-base reactions and redox chemistry to environmental impacts on water systems – while offering educators a dependable tool that stands up to daily use.

Why the PH58 is Ideal for Education and Laboratory Work

·        Hands-On Learning: Perfect for teaching key chemistry concepts like pH balance, redox reactions, and temperature influence on solubility and reactivity.

·        Dual pH & ORP Measurement: Allows students and researchers to measure either pH or ORP, with temperature displayed alongside the selected parameter.

·        User-Friendly Display: The dual-line LCD shows the selected pH or ORP result on the main display and temperature on the secondary display.

·        Replaceable Electrode (Mi58P): Extends the service life of the tester without requiring replacement of the complete instrument.

·       Waterproof design: Suitable for routine portable measurements when used and maintained according to the user manual.

 Educational Experiments & Lab Applications

Acid-base titrations – Use the PH58 to monitor pH during stepwise addition of acid or base
Redox studies – Track ORP changes during oxidation/reduction experiments (e.g., iron, chlorine reactions)
Temperature effect on pH – Study how heating or cooling affects dissociation and solution pH
Biochemical experiments – Monitor media pH and redox status in fermentation or enzyme activity labs
Aquatic science labs – Analyze the pH and ORP of tap, pond, or bottled water in field kits or practicals
Electrochemistry demonstrations – Show how chemical potential is linked to measurable mV values with ORP

How to Use the PH58 in Education & Lab Settings

Calibrate the Meter Before Use

·       Calibrate the PH58 in pH mode using suitable pH buffers before measurements that require calibration. The ORP range is factory calibrated and cannot be recalibrated by the user. Contact an authorised Milwaukee service centre if ORP recalibration is required.

·        Calibration only takes a few minutes and reinforces good lab practices for students.

Prepare for Testing

·        Rinse the electrode with distilled water to remove storage solution or previous sample residue.

·        If you're testing a classroom-prepared solution, gently swirl or mix to ensure uniformity before measuring.

Take the Measurement

1.       Turn on the PH58 and immerse the sensing end of the probe in the sample.

2.     Select pH or ORP mode using the SET/HOLD button.

3.     Wait until the reading stabilises and the instability indicator disappears.

4.     Read the selected pH or ORP result on the main display and temperature on the secondary display.

5.     Use the HOLD function if the displayed result needs to be frozen temporarily for viewing or manual recording.

Pro Tip for Teachers: When demonstrating the effect of temperature, explain that automatic temperature compensation corrects the temperature-dependent response of the pH electrode but does not convert the sample’s actual pH to its value at a different reference temperature.

Clean and Store the Electrode

·        After each use, rinse the probe with distilled water.

·        At the end of class or lab session:

o   If the probe is dirty, use electrode cleaning solution.

o   Recalibrate the pH range when required. ORP recalibration must be performed by an authorised Milwaukee service centre.

o   Always store the pH electrode in proper storage solution – never let it dry out.

 Why Educators & Researchers Choose the PH58

·        Reliable Classroom Tool – Suitable for repeated instructional measurements when operated, cleaned and stored according to the user manual.

·        Quick Spot-Checking – Ideal for small labs and institutions where a portable, all-in-one meter is more practical than benchtop systems.

·        Excellent Training Device – Demonstrates the fundamentals of pH measurement, ORP measurement, temperature compensation, pH calibration and manual result recording.

·        Portable Three-Parameter Tester – Provides selectable pH or ORP measurement together with temperature in a compact instrument.

From the chemistry lab to the environmental science classroom, the Milwaukee PH58 empowers the next generation of scientists with the tools they need to explore, experiment, and understand water chemistry – accurately and confidently.