Hanna HI98304U DiST®4 Waterproof EC Tester
- Range: 0.00–20.00 mS/cm
- Resolution: 0.01 mS/cm
- Temperature Range: 0–50 °C
- Battery Life: 250 continuous hours
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Description
Advanced Conductivity Testing With Ultimate Precision
The Hanna HI98304U DiST®4 Waterproof EC Tester is a high‑range electrolytic conductivity meter capable of measuring up to 20.00 mS/cm, designed for demanding industrial, laboratory, and agricultural applications. Its advanced capabilities make it an indispensable instrument for water treatment plants, boilers, cooling towers, hydroponic farming, environmental monitoring, and quality assurance labs. Combining rugged build quality with modern ergonomics, this compact device is only 0.7 inches thick, fitting comfortably in the hand or pocket for easy field portability. Equipped with a large multi‑level LCD, the tester displays both conductivity and temperature readings simultaneously, allowing users to verify system conditions instantly. Every reading benefits from automatic temperature compensation (ATC), ensuring accuracy in varying environments. The instrument’s operation is streamlined to only two buttons — one for ON/OFF and one for calibration — making it user‑friendly while retaining professional‑grade precision for critical measurements.
Rugged Waterproof Design For Field And Laboratory
Designed to endure harsh environments, the HI98304U features a waterproof housing suitable for outdoor fieldwork, commercial facilities, and wet laboratory benches. Its slim yet robust casing measures 160 x 40 x 17 mm and weighs only 75 grams, ensuring fatigue‑free operation even during long testing sessions. The meter incorporates a graphite conductivity sensor, which resists oxidation and reduces polarization effects commonly found in stainless steel electrode designs. This results in superior repeatability and reliability of measurements over time. Additionally, a fully exposed temperature sensor ensures rapid temperature response, improving stability and speed of EC readings. Whether submerged in process tanks, tested against calibration standards, or used in mobile quality control checks, the HI98304U delivers dependable performance without compromise. The tested durability provides confidence for both indoor and outdoor settings, ensuring longevity and consistent results regardless of environmental conditions.
Dual Display With Large Multi-Level LCD
One of the HI98304U’s most distinctive features is its multi‑level LCD that clearly presents both conductivity (EC) values and temperature, along with stability and calibration tags. EC readings are shown with 0.01 mS/cm resolution and ±2% full scale accuracy, while temperature is displayed to ±0.5 °C precision. At startup, the LCD also shows battery percentage level, instantly informing users of remaining power. Stability indicators, represented by a clock tag, disappear when the measurement reading has stabilized, helping operators know exactly when data should be recorded. The display is sized at 29 mm x 20 mm — large enough for easy reading in bright sunlight or dim indoor environments. Whether working quickly in industrial maintenance or conducting detailed research in a climate-controlled lab, the dual display provides essential clarity and reduces operator error.
Simple Two-Button Operation And Quick Calibration
The HI98304U was engineered for efficiency and simplicity, featuring only two physical buttons. The power button turns the meter ON/OFF, and the CAL button initiates the automatic calibration process. Calibration is performed using a 12.88 mS/cm standard solution, where the probe recognizes the solution value and stores it once stability is achieved. The meter’s calibration procedure is fast, making it ideal for high-throughput environments. This single‑point calibration minimizes downtime between tests, ensuring users can quickly validate meter accuracy. The HI98304U also provides a clear calibration tag on the screen during the process, so operators can visually track calibration status. Setup options, accessed via a recessed button in the battery compartment, allow customization of temperature unit (°C/°F) and automatic shut‑off intervals (8 minutes, 60 minutes, or disabled). These operational efficiencies make the device well-suited for repetitive testing in industrial operations, agricultural water management, and laboratory analysis.
Specialized Applications Across Industrial And Scientific Fields
The Hanna HI98304U DiST®4 Waterproof EC Tester serves a wide range of specialized applications thanks to its high measurement range and temperature-compensated conductivity accuracy:
- Water Treatment Plants: Monitoring ionic content in municipal or industrial water supplies.
- Boilers And Cooling Towers: Ensuring proper conductivity control to prevent scaling and corrosion.
- Agriculture And Hydroponics: Managing nutrient levels in irrigation systems and hydroponic reservoirs.
- Laboratory Research: Conducting quality assurance tests and environmental studies requiring precise EC tracking.
Its portability allows technicians to move effortlessly between stations, while waterproof construction ensures reliability even in humid or submerged environments. The graphite electrode’s resistance to oxidation also makes it ideal for applications involving chemically reactive solutions. Professionals can rely on the HI98304U to deliver accurate data, supporting operational efficiency and environmental compliance.
Quality Assurance With Global Delivery From tpt24.com
For those seeking guaranteed quality, tpt24.com stands out as the world’s leading online store for the Hanna HI98304U DiST®4 Waterproof EC Tester. Every unit purchased through this trusted platform is backed by a guarantee of authenticity and quality, ensuring you receive an original Hanna Instruments product with full manufacturer specifications. Regardless of your location, tpt24.com organizes worldwide delivery, providing secure, fast, and trackable shipping. From industrial operators in metropolitan hubs to farmers in remote agricultural regions, customers can be assured of receiving a device in perfect condition, complete with original accessories such as the CR2032 battery, calibration solution sachets, storage sleeve, instruction manual, and quality certificate. This global reach combined with professional service makes tpt24.com the preferred choice among engineers, scientists, and technicians who value dependable supply chains.
Maintenance, Battery Life, And Operational Longevity
The HI98304U features a CR2032 3V Li-ion battery capable of delivering approximately 250 hours of continuous use, minimizing interruptions during extended projects. A low battery indicator appears when less than 10% capacity remains, and the device automatically powers down after the selected auto-off period to conserve energy, unless disabled in settings. To ensure consistent performance, users should rinse the probe with purified water before and after measurements, protect the sensor with the supplied cap during storage, and recalibrate regularly using fresh standard solutions. By following these care practices, the tester maintains its ±2% full scale conductivity accuracy and ±0.5 °C temperature precision throughout its operational life. These robust design choices and easy maintenance routines guarantee the HI98304U remains reliable in demanding tasks year after year.
Dimensions, Accessories, And Purchase Confidence Guaranteed
Measuring 160 mm in length, 40 mm in width, and only 17 mm in thickness, the HI98304U is exceptionally portable without sacrificing structural integrity. It weighs 75 g, making it lightweight enough for everyday use. Every device comes complete with a CR2032 battery, four 12.88 mS/cm calibration solution sachets, a protective sleeve for safe storage, an instruction manual, and a quality certificate. This comprehensive package ensures immediate readiness for any application, from industrial site inspections to advanced laboratory experiments. With the combination of Hanna Instruments’ engineering excellence and tpt24.com’s global distribution, purchasers can rest assured of receiving a fully supported product. Whether shipped to urban centers or rural work sites, the HI98304U arrives calibrated, protected, and prepared for accurate conductivity testing with full manufacturer support.
Specifications
| Parameter | Value |
|---|---|
| Model | HI98304U DiST®4 Waterproof EC Tester |
| EC Range | 0.00 to 20.00 mS/cm |
| EC Resolution | 0.01 mS/cm |
| EC Accuracy | ±2% Full Scale |
| Temperature Range | 0.0 to 50.0 °C / 32.0 to 122.0 °F |
| Temperature Accuracy | ±0.5 °C / ±1.0 °F |
| Temperature Compensation | Automatic, 0.0–50.0 °C (32–122 °F) |
| Calibration | Automatic, single point at 12.88 mS/cm |
| Sensor Type | Graphite electrode with exposed temperature probe |
| Battery Type | CR2032 Li-ion 3V (1 pc.) |
| Battery Life | Approximately 250 hours continuous use |
| Environment | 0 to 50 °C (32 to 122 °F); RH 100% max |
| Dimensions | 160 × 40 × 17 mm (6.3 × 1.6 × 0.7 in.) |
| Weight | 75 g (2.6 oz.) |
| Included Accessories | CR2032 battery, 4 calibration sachets, protective sleeve, manual, certificate |













