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pH/Temperature Tester with 0.1 pH resolution

HANNA

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Simplify Your Water Analysis

Inconsistent water quality can ruin a harvest or halt a production line. To stay in control, you need a tool that delivers speed and accuracy. The pH/Temperature Tester with 0.1 pH resolution offers the perfect balance of professional performance and everyday ease. It eliminates the guesswork of paper strips and bulky lab equipment.

Dual Measurement Power

Temperature heavily influences pH readings. This digital tester solves that problem by measuring both variables simultaneously. It uses Automatic Temperature Compensation (ATC) to adjust your results in real-time. This ensures your data stays valid even when the liquid temperature fluctuates.

  • Sharp Resolution: The 0.1 pH increment provides the clarity you need for pools, tanks, and hydroponic systems.

  • Integrated Thermometer: Stop carrying two tools. View both readings on a large, easy-to-read LCD.

  • Rugged Design: Most models feature a waterproof housing. You don't have to worry about accidental drops in the tank.

  • Long Battery Life: Efficient circuitry allows for hundreds of tests before a battery swap is necessary.

How to Maximize Performance

Operating the device is easy. Simply dip the sensor into your sample and stir gently. Wait for the stability icon to appear on the screen. For the best results, calibrate your tool regularly using a standard buffer solution. Always rinse the probe with distilled water after every use to prevent salt buildup.

Reliable Accuracy for Everyone

Brewers, growers, and lab techs all trust this tester for its durability. It fits comfortably in your pocket but provides industrial-grade feedback. Whether you are checking a swimming pool or a nutrient reservoir, this device delivers confidence.

Get the precision you deserve. Upgrade to a pH/Temperature Tester with 0.1 pH resolution today.

Hanna's pHep®4 waterproof tester is an advanced meter has many features that can be found in portable and benchtop meters.  This ergonomic meter measures from -2.0 to 16.0 pH with an accuracy of ±0.1 pH. pHep®4 features automatic one or two-point calibration and automatic temperature compensation. The large multi level LCD display shows both pH and temperature readings simultaneously, while a stability indicator is displayed to alert the user when a stable reading has been obtained. The pHep®4 tester also features a replaceable pH probe that has a unique extendable cloth junction to clear any clogging that occurs HI98127.
  • Waterproof
  • Replaceable pH Electrode
  • Automatic Two-Point pH Calibration
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Dual Channel K, J, T-Type Thermocouple Thermometer

HANNA

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Double Your Thermal Insights

In complex heating and cooling systems, a single data point rarely tells the whole story. You need to see the difference between input and output temperatures in real-time. The Dual Channel K, J, T-Type Thermocouple Thermometer gives you that power. It allows you to track two separate locations simultaneously with laboratory-grade precision.

Why Multichannel Versatility Matters

Different jobs require different probes. This thermometer supports K, J, and T-type thermocouples. This flexibility ensures you can measure everything from cryogenic liquids to high-temperature industrial furnaces.

  • Dual Display: View T1, T2, and the differential (T1-T2) on one bright screen.

  • Wide Compatibility: Switch between probe types without needing multiple devices.

  • High Accuracy: Experience rapid response times and minimal margin of error.

  • Data Hold: Freeze your readings on the display for easy logging and reporting.

Built for the Field

Engineers designed this tool for durability. The rugged housing protects the sensitive electronics from drops and dust. Whether you are balancing an HVAC system or monitoring a chemical reaction, this thermometer stands up to the task. The backlit display makes it easy to read in dark mechanical rooms or bright outdoor sunlight.

Professional Results Made Easy

Using the device is a breeze. Plug in your preferred probes and select your thermocouple type. The device handles the complex calculations automatically. It provides instant feedback so you can make critical adjustments on the fly.

Stop guessing about temperature gradients. The Dual Channel K, J, T-Type Thermocouple Thermometer provides the clarity you need for any thermal challenge.

The Dual Channel K, J, T-Type Thermocouple Thermometer - HI93552R is a digital, waterproof thermometer. This meter offers high accuracy temperature measurements using a wide variety of interchangeable K-type probes. HI93552R allows users to perform a one-point calibration and to transfer data to a PC or printer with an RS232 output. All readings are displayed on the backlit LCD, along with the high and low temperatures, a channel indicator, temperature units, and a battery indicator upon startup.
  • Two input channels
  • One-point calibration
  • Backlit display
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Wire K-Type Thermocouple Probe

HANNA

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Unlock Instant Thermal Response

In the world of temperature measurement, speed is everything. A heavy probe can take minutes to stabilize. However, the Wire K-Type Thermocouple Probe reacts in seconds. Its low thermal mass makes it the perfect tool for professionals who need immediate, accurate data in changing environments.

Why Choose a Wire-Style Probe?

The wire design offers unique advantages that rigid probes simply cannot match. It fits into tight spaces and contours to uneven surfaces with ease. Whether you are testing an engine component or a laboratory oven, this probe delivers.

  • Extreme Flexibility: Snake the wire through small gaps or around corners without losing signal quality.

  • Wide Temperature Range: These probes typically handle everything from freezing cold to intense industrial heat.

  • Universal Connector: The standard mini-plug fits almost any digital thermometer or data logger on the market.

  • Durable Insulation: High-quality coatings protect the wire from abrasion and chemical interference.

Versatile Applications

This probe thrives in diverse settings. HVAC technicians use it to measure air duct discharge temperatures. Scientists rely on it for monitoring small-scale chemical reactions. It also works brilliantly for hobbyists in food science or electronics repair. Because the sensor tip is so small, it provides a highly localized reading that larger tools might miss.

Accuracy You Can Trust

Don't let a slow sensor compromise your project. The Wire K-Type Thermocouple Probe combines affordability with professional-grade performance. It stays calibrated under pressure and survives the daily rigors of the field.

Ready to improve your workflow? Add this essential sensor to your toolkit today for faster, smarter temperature tracking.

The HI766F1 is a wire K-type thermocouple probe designed for use with a thermocouple thermometer. The exposed wire sensor extends 1 m (3.3’) or 5 m (16.4’) to the thermocouple connector with the meter; the HI766F1 does not incorporate a handle. The flexible wire probe allows users to obtain highly accurate readings of hard to reach surfaces.
  • Measures up to 480°C (900°F)
  • 1 second response time
  • Exposed wire sensor
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General Purpose K-type thermocouple probe

HANNA

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The Workhorse of Temperature Measurement

Every toolkit needs a reliable standard. When it comes to thermal monitoring, the General Purpose K-type thermocouple probe is the industry favorite. It balances cost, durability, and a wide measurement range. This probe handles everything from liquid immersion to air temperature checks without breaking a sweat.

Why This Probe Fits Every Job

Efficiency matters in the field. You don't want to carry ten different sensors for one project. This K-type model offers the versatility that engineers and technicians crave.

  • Broad Range: Measure extreme cold and high heat with a single, dependable tool.

  • Rugged Stainless Steel: The outer sheath resists corrosion and physical impacts in harsh environments.

  • Universal Fit: It features a standard mini-connector. It plugs into almost any handheld digital thermometer.

  • Rapid Response: The internal sensor construction delivers stable readings in just seconds.

Built for Performance

The General Purpose K-type thermocouple probe excels in many settings. Use it to check HVAC airflow, monitor industrial ovens, or test liquid chemicals. The ergonomic handle provides a firm grip, even when you wear heavy safety gloves. This design ensures you stay safe while getting the most accurate data possible.

Reliable Results Every Time

Accuracy drives success. A high-quality K-type probe minimizes measurement drift over time. This reliability saves you money by preventing ruined batches or equipment failure. Whether you manage a commercial kitchen or a manufacturing plant, this probe delivers the precision you need to stay competitive.

Stop settling for fragile sensors. Invest in a General Purpose K-type thermocouple probe and experience professional-grade durability today.

The HI766E1 is a general purpose, penetration K-type thermocouple probe with a handle designed for use with a thermocouple thermometer. A cable extends 1 m (3.3’) from the handle to the thermocouple connector with the meter. The round, pointed tip of the probe allows users to obtain highly accurate temperature readings of a wide variety of liquid, air, and gas samples.
  • Measures up to 900°C (1650°F)
  • 6 second response time
  • Stainless steel
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Air Temperature K-type thermocouple probe

HANNA

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Optimize Your Environment with Precision

Measuring air temperature requires more than a basic sensor. Standard probes often react too slowly because air does not transfer heat effectively. The Air Temperature K-type thermocouple probe solves this problem. It features a specialized design that maximizes exposure to the surrounding atmosphere. This ensures you get the most accurate data in the shortest time possible.

Why Air-Specific Probes Matter

A standard liquid probe has a solid sheath that insulates the sensor. In contrast, an air probe uses a vented shield or an exposed bead. This design allows air to flow directly over the thermocouple junction.

  • Ultra-Fast Response: The vented tip provides instant feedback on temperature changes.

  • Vibration Resistance: High-quality construction ensures the probe stays accurate in heavy industrial machinery.

  • Universal Compatibility: The mini K-type connector fits your existing handheld meters and data loggers.

  • Durable Housing: Stainless steel components protect the delicate sensor from dust and debris.

Versatile Applications

This probe is essential for HVAC technicians balancing air distribution systems. It also works perfectly for monitoring industrial drying ovens and laboratory incubators. If you need to track ambient conditions in a warehouse or computer server room, this tool delivers the reliability you need. The lightweight design makes it easy to hold for long inspection rounds or mount permanently in a duct.

The HI766D is an air and gas K-type thermocouple probe with a handle designed for use with a thermocouple thermometer. A green cable extends 1 m (3.3’) from the handle to the thermocouple connector with the meter. The vent holes at the tip of the probe allow users to obtain highly accurate temperature readings of air and gases.
  • Measures up to 300°C (570°F)
  • 20 second response time
  • Stainless steel
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Penetration K-type thermocouple probe with stainless steel tube

HANNA

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Master Internal Temperature Precision

Getting an accurate surface reading is easy, but the real data lives inside. The Penetration K-type thermocouple probe with stainless steel tube gives you the power to reach the core. Whether you test semi-solids, soil, or dense liquids, this tool provides the structural strength you need. It combines a sharp, piercing tip with high-speed thermal response.

Why Choose a Stainless Steel Penetration Probe?

Soft or dense materials can bend or snap inferior sensors. A heavy-duty stainless steel tube protects the delicate thermocouple junction during insertion. This ensures your tool lasts through years of rigorous field use.

  • Sharp Piercing Tip: The pointed end slides easily into frozen meat, asphalt, or packed earth.

  • Food-Grade Safety: The stainless steel tube cleans quickly and resists corrosion from acidic foods.

  • Universal Connection: A standard mini-connector allows you to plug it into any K-type thermometer.

  • High Thermal Conductivity: The metal sheath transfers heat rapidly to the sensor for fast results.

Versatile Performance Across Industries

This probe is a favorite in the food service industry for checking internal temperatures of large roasts. Environmental scientists also use it to monitor compost or soil health at specific depths. Because it is so rugged, HVAC techs use it to measure insulation core temperatures as well. The ergonomic handle ensures you maintain control even when applying pressure to tough surfaces.

Accuracy You Can Count On

Success depends on reliable data. This K-type probe minimizes measurement errors by placing the sensor exactly where you need it. It survives extreme heat and freezing cold without losing its calibration.

Don't settle for surface-level information. Invest in a Penetration K-type thermocouple probe with stainless steel tube today. Get the deep insights your projects require.

The HI766C is a penetration K-type thermocouple probe with a handle designed for use with a thermocouple thermometer. A green cable extends 1 m (3.3’) from the handle to the thermocouple connector with the meter. The sharp, pointed tip of the probe allows users to obtain highly accurate temperature readings of semi-solids and high-temperature samples.
  • Measures up to 900°C (1650°F)
  • 15 second response time
  • Stainless steel
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Ultra-Fast Penetration, K-type thermocouple probe with stainless steel tube

HANNA

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Speed Up Your Inspection Workflow

In a fast-paced production environment, every second matters. Waiting for a slow thermometer wastes time and costs money. The Ultra-Fast Penetration K-type thermocouple probe solves this problem instantly. This tool delivers precise internal temperatures in a fraction of the time. It is the ultimate solution for professionals who demand both speed and accuracy.

Why Choose an Ultra-Fast Probe?

The secret lies in the reduced-tip design. By narrowing the sensor point, we minimize thermal mass. This allows the probe to reach the target temperature almost immediately upon contact.

  • Rapid Stabilization: Get a steady reading in just 1 to 3 seconds.

  • Tapered Stainless Steel Tube: The thin, sharp tip pierces dense materials with minimal effort.

  • Heavy-Duty Build: Despite its speed, the stainless steel construction handles high-pressure use.

  • Universal Compatibility: The standard K-type mini-plug fits your existing digital thermometers.

Versatility in the Field

This probe excels in the food industry for checking thin cuts of meat or delicate pastries. Scientists also use it for rapid sampling in chemical labs. Because the penetration is so quick, it prevents heat loss from your sample. This gives you a more "true" reading of the core state. The ergonomic handle ensures a steady grip during high-volume testing cycles.

Efficiency Without Compromise

Don't let a slow sensor bottle-neck your operations. The Ultra-Fast Penetration K-type thermocouple probe provides the competitive edge you need. It combines modern engineering with rugged reliability. You can trust this tool to perform shift after shift, even in the toughest environments.

Upgrade your toolkit today. Experience the power of instant data and keep your projects moving at full speed.

The HI766C1 is an ultra-fast penetration K-type thermocouple probe with a handle designed for use with a thermocouple thermometer. A green cable extends 1m (3.3’) from the handle to the thermocouple connector with the meter. The finely pointed, 1.6 mm diameter tip of the probe allows users to obtain highly accurate temperature readings of semi-solids and food samples.
  • Measures up to 300°C (570°F)
  • 4 second response time
  • Stainless steel
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Surface Temperature K-type thermocouple probe, with stainless steel tube

HANNA

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Master Surface Heat Measurement

Traditional probes often fail when checking flat surfaces. Air gaps between the sensor and the material create inaccurate readings. The Surface Temperature K-type thermocouple probe solves this problem with its unique flat-head design. It ensures maximum contact with your workpiece. This tool gives you the exact data you need for industrial maintenance and quality control.

Why the Stainless Steel Tube Matters

A rugged environment demands a tough tool. The stainless steel tube protects the delicate internal wiring from physical damage and high heat. This construction allows you to press the probe firmly against hot plates or engine blocks without fear of bending the sensor.

  • Flat-Tip Accuracy: The specialized sensor head sits flush against any flat or slightly curved surface.

  • Rapid Heat Transfer: The metal-to-metal contact delivers stabilized readings in just seconds.

  • Ergonomic Control: A comfortable handle keeps your hands away from the heat source during testing.

  • Universal Standard: The K-type mini-connector plugs directly into your existing digital thermometers.

Versatility for Every Industry

Mechanical engineers use this probe to check bearing temperatures. HVAC technicians rely on it to monitor heat exchanger efficiency. It also works perfectly for plastic molding and laboratory hot plates. Because the stainless steel tube resists corrosion, you can use it in damp or chemically active settings.

Reliable Results Every Shift

Don't let poor contact ruin your data. This probe eliminates the thermal lag common with general-purpose sensors. It provides a true "skin" temperature of your equipment. This reliability helps you identify overheating parts before they fail.

Upgrade your thermal kit today. The Surface Temperature K-type thermocouple probe offers the durability and precision that modern professionals demand.

The HI766B2 is a round surface K-type thermocouple probe with a handle designed for use with a thermocouple thermometer. A cable extends 1 m (3.3’) from the handle to the thermocouple connector with the meter. The spring-loaded, 8 mm diameter surface of the probe allows users to obtain highly accurate temperature readings of furnaces, molds, and other high temperature, round surfaces.
  • Measures up to 900°C (1650°F)
  • 3 second response time
  • Spring-loaded sensor
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2 Channel Thermometer - K-Type Thermocouple

HANNA

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Double Your Thermal Data

Successful HVAC and industrial projects require more than a single temperature point. You need to see the difference between inflow and outflow to calculate efficiency. The 2 Channel Thermometer - K-Type Thermocouple provides this critical insight in one compact device. It allows you to monitor two separate locations simultaneously with high-speed precision.

Why Use a 2-Channel System?

A dual-input thermometer eliminates the need for two separate tools. It ensures that both sensors use the same internal calibration for a true comparison. This setup is essential for troubleshooting heat exchangers or balancing air conditioning systems.

  • Simultaneous Display: View readings from both probes on one large, backlit screen.

  • Differential Mode: Calculate the temperature spread (T1 minus T2) with the push of a button.

  • K-Type Versatility: Use any standard K-type probe, from wire sensors to heavy-duty stainless steel tubes.

  • Data Logging Features: Capture "Min" and "Max" values during a long testing cycle.

Rugged Reliability for the Field

Engineers designed this thermometer for the real world. A protective rubber holster absorbs shocks from accidental drops on a concrete floor. Whether you work in a commercial kitchen or a chemical plant, this tool delivers. It resists dust and moisture while providing a stable, digital readout in seconds.

Improve Your Efficiency Today

Precision leads to better performance. The 2 Channel Thermometer - K-Type Thermocouple helps you identify thermal leaks and equipment failures before they become costly. It offers professional-grade accuracy for a price that fits any budget.

Don't settle for half the data. Upgrade your kit today and master your thermal environment with ease.

The Dual Channel K-Type Thermocouple Thermometer - HI935002 is a digital, waterproof thermometer. This meter offers high accuracy temperature measurements using a wide variety of interchangeable probes for the two available input channels.

Range: -50.0 to 199.9°C and 200 to 1350°C; -58.0 to 399.9°F and 400 to 2462°F

  • Two channels
  • °C/°F readout
  • High and low-temperature display
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Thermometer K-Type Thermocouple

HANNA

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Master Your Thermal Data

Precision is the heartbeat of any successful industrial or laboratory project. To get the best results, you need a tool that handles extreme conditions with ease. The Thermometer K-Type Thermocouple stands out as the most versatile choice for modern technicians. It combines a rugged digital interface with the legendary flexibility of K-type sensors.

Why Choose a K-Type System?

Many thermometers limit you to a single, fixed sensor. This digital K-type model uses a universal mini-connector instead. You can swap probes in seconds to match your specific task.

  • Massive Temperature Range: Measure everything from sub-zero freezers to glowing industrial furnaces.

  • Interchangeable Probes: Switch between air, surface, and penetration sensors without recalibrating the base unit.

  • Digital Clarity: The large LCD eliminates the "human error" found in old analog dials.

  • Instant Response: Advanced circuitry processes thermal signals in milliseconds for real-time tracking.

Built for the Toughest Jobs

Engineers designed this Thermometer K-Type Thermocouple for field reliability. A shock-resistant housing protects the internal electronics from drops and dust. Whether you balance HVAC systems or monitor chemical reactions, this tool delivers. It fits comfortably in one hand, which allows you to take measurements while keeping your other hand free for safety.

Accurate Results You Can Trust

Inconsistent data leads to expensive mistakes. This digital thermometer offers a high resolution that helps you spot tiny thermal drifts early. It empowers you to maintain quality control and prevent equipment failure.

Stop guessing about your temperatures. Invest in a Thermometer K-Type Thermocouple today and experience professional-grade precision.

The HI935005 K-Type Thermocouple Thermometer is a digital, waterproof thermometer. This meter offers high accuracy temperature measurements using a wide variety of interchangeable probes.

Range: -50.0 to 199.9°C and 200 to 1350°C; -58.0 to 399.9°F and 400 to 2462°F

  • ±0.2% accuracy
  • °C/°F readout
  • High and low-temperature display
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Photometer - Bromine, Chlorine, Cyanuric Acid, Iodine, Iron, and pH Portable

HANNA

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Total Water Control in One Device

Achieving perfect water balance requires more than a simple test strip. You need a tool that handles multiple chemical variables with digital precision. The Photometer - Bromine, Chlorine, Cyanuric Acid, Iodine, Iron, and pH offers a complete lab in the palm of your hand. This single device replaces half a dozen separate kits, saving you time and money.

Why Choose a Multi-Parameter Photometer?

Visual color matching often leads to human error. Different lighting conditions can change how you perceive a test result. A digital photometer uses a light source and a microprocessor to give you an exact number every time.

  • Six-in-One Versatility: Measure everything from disinfectant levels to heavy metal content.

  • High Accuracy: The optical system detects tiny shifts in concentration that the naked eye misses.

  • Portable Design: Take your lab to the pool, the cooling tower, or the water treatment plant.

  • User-Friendly Interface: Clear prompts guide you through each testing step for consistent data.

Built for Demanding Environments

Professionals in the aquatic and industrial sectors trust this Photometer - Bromine, Chlorine, Cyanuric Acid, Iodine, Iron, and pH. It features a waterproof housing to protect against splashes and rain. Whether you manage a commercial spa or monitor industrial process water, this tool delivers. It helps you maintain safety standards and prevent corrosion or scaling in your equipment.

Professional Results Made Easy

Stop guessing about your water chemistry. This photometer provides the clarity you need to dose chemicals accurately. It reduces waste and ensures a safe environment for everyone.

Upgrade your testing routine today. Experience the confidence that comes with high-precision digital analysis.

HI97101 is an advanced portable photometer for the measurement of bromine, chlorine, cyanuric acid, iodine, iron, and pH in water. This meter offers a superior optical system that utilizes a reference detector and narrow band interference filters for extremely fast and repeatable measurements.
  • No warm up time before taking a measurement
  • Tutorial mode for step-by-step instructions
  • CAL Check to verify meter performance
  • Can purchase with KIT Set
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Multiparameter Bluetooth® portable pH/EC/OPDO Meter

HANNA

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The Future of Smart Water Analysis

Traditional water testing often involves tangled wires and messy logbooks. You need a tool that simplifies your workflow without sacrificing accuracy. The Multiparameter Bluetooth portable pH/EC/OPDO Meter brings lab-grade technology into the palm of your hand. It connects directly to your smartphone or tablet for seamless data management and real-time sharing.

Why Choose Optical Dissolved Oxygen (OPDO)?

Older membrane sensors require constant maintenance and electrolyte refills. The OPDO sensor in this meter uses advanced light technology instead. It provides faster response times and stays calibrated longer.

  • Wireless Connectivity: Send your readings to the cloud via Bluetooth instantly.

  • All-in-One Sensing: Measure pH, Conductivity (EC), and Dissolved Oxygen with a single device.

  • Digital Accuracy: Eliminate human error with high-resolution sensors and automatic calibration.

  • Rugged Portability: The waterproof housing handles rain, splashes, and accidental drops in the field.

Streamline Your Inspection Workflow

Field technicians love the Multiparameter Bluetooth portable pH/EC/OPDO Meter. You can generate PDF reports on-site and email them to your team. The integrated GPS even tags your location for every sample you take. This feature ensures total transparency and traceability for environmental monitoring or aquaculture projects.

Professional Results Made Easy

Stop carrying multiple bulky meters to your job site. This smart device combines every critical variable into one sleek package. It helps you maintain perfect water balance in ponds, labs, or industrial cooling towers.

Upgrade to a smarter testing routine today. Experience the convenience of wireless water analysis and stay ahead of the curve.

HI98494 is a waterproof portable logging multiparameter meter that monitors up to 12 different water quality parameters including 6 measured and 6 calculated.  The microprocessor based multi-sensor probe allows for the measurement of key parameters including pH, ORP, conductivity, dissolved oxygen, and temperature. The probe transmits readings digitally to the meter, where data points can be displayed and logged. Data logged in the meter can be transferred by Bluetooth® to a smart device with the Hanna Lab App installed. The HI98494 is supplied with all necessary accessories and packaged in a durable carrying case.
  • Bluetooth® Connectivity
  • OPDO: Optical Dissolved Oxygen Technology
  • 12 Parameter Dot Matrix Display
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