Hanna HI84531U-01 Mini Titrator for Measuring Titratable Alkalinity

Description

The Hanna HI84531U‑01 Mini Titrator is a specialized, automatic benchtop device engineered to precisely measure titratable alkalinity in both fresh water and wastewater samples, covering low to high measurement ranges. Utilizing an acid‑base titration method, the unit employs a glass double junction pH electrode and a sophisticated pre‑programmed analysis algorithm. This algorithm interprets pH and voltage changes during titration, dynamically adjusting the piston‑driven dosing pump to deliver titrant volumes with exceptional accuracy. By automatically determining the endpoint based on a set pH value—either 8.30 pH for strong (phenolphthalein) alkalinity or 4.50 pH for total (bromcresol green‑methyl red) alkalinity—the HI84531U‑01 ensures repeatable results every time. All supplied reagents, titrants, and calibration solutions are pre‑standardized and pre‑measured, eliminating the need for volumetric glassware or analytical balances, making it an ideal choice for laboratories, water treatment facilities, and field‑based analysis centers.

Dynamic Dosing Pump for Faster Measurements

At the heart of the HI84531U‑01 lies a piston‑driven burette pump capable of dynamically adjusting dosing volume according to live feedback from the electrode response. This innovative feature enables rapid titration execution—larger titrant volumes are dispensed during the initial phase, tapering to micro‑dosages as the endpoint nears—reducing testing time without compromising accuracy. Operating at 10 mL/min pump speed, the system ensures the titration process is both efficient and precise. This method of very fine volumetric control is particularly advantageous in water and wastewater monitoring applications where operator throughput and accuracy are equally critical. It also eradicates common dosing inconsistencies present in manual titration methods, offering high reproducibility for industrial laboratories, regulatory bodies, and on‑site environmental monitoring teams.

Integrated pH and mV Measurement Capabilities

Beyond titration, the HI84531U‑01 doubles as a professional‑grade benchtop pH/mV meter, supporting a pH range from ‑2.00 to 16.00 pH with exceptional ±0.01 pH accuracy. It enables one, two, or three‑point calibration using four available standard buffers and features both manual and automatic temperature compensation. The device also measures in mV mode for advanced electrochemical analysis. Hanna’s CAL Check™ Technology continually monitors electrode response during calibration, alerting users to potential issues such as contaminated buffer solutions, dirty or broken probes, or poor electrode condition—ensuring long‑term reliability. These combined functions make the instrument invaluable in multi‑parameter water analysis where pH stability directly affects alkalinity readings, such as in aquaculture management, potable water treatment, and industrial cooling water systems.

Application Areas Across Multiple Water Industries

The HI84531U‑01 Mini Titrator is designed for specialized applications across industrial, environmental, and research sectors. In municipal water treatment, it provides precise alkalinity data essential for chemical dosing control, corrosion prevention, and compliance with public health regulations. In wastewater facilities, it ensures effluent alkalinity is within mandated discharge limits, helping maintain downstream aquatic eco‑balance. In aquaculture, stable alkalinity supports optimal fish health by buffering sudden pH shifts. Laboratories conducting boiler water analysis leverage the instrument to gauge alkalinity for scale prevention and operational efficiency. Research institutions utilize it for environmental field studies, including monitoring of natural water bodies for carbonate buffering capacity variation. With its dual total and strong alkalinity modes, the HI84531U‑01 is adaptable to a wide range of scientific, regulatory, and industrial quality‑control workflows.

User‑Centric Design for simplified Laboratory Operations

The HI84531U‑01 features an intuitive user interface with large, clearly labeled buttons, a bright multi‑data LCD, and a dedicated HELP key providing content‑specific assistance during calibration and titration steps. The built‑in stirrer, operating at a constant 600 rpm, maintains consistent sample mixing regardless of viscosity, ensuring reaction uniformity. The instrument’s graphic mode displays real‑time titration curves, allowing users to visualize the titration progression and confirm endpoint stability at a glance. Additionally, its log‑on‑demand functionality stores up to 400 data sets (200 titrations and 200 pH/mV readings) with results exportable via USB to a PC or flash drive for further analysis or archiving. The rugged HI1131B glass body refillable double‑junction electrode and HI7662‑T stainless steel temperature probe included in the package guarantee dependable long‑term analytical performance.

Robust Construction and Reliable Operational Performance

Physically, the HI84531U‑01 is compact and robust, with dimensions of 235 × 200 × 150 mm and a durable casing that withstands demanding laboratory or plant environments. Operating conditions are suitable for 0 to 50°C with up to 95% non‑condensing humidity. The supplied 12 VDC power adapter ensures stable operation even in regions with variable mains quality. The instrument’s light 1.9 kg weight makes it portable between laboratory stations. All critical parts—from the piston pump mechanism to the stirrer motor—are engineered for long life under consistent use. Hanna’s 2‑year warranty underscores its durability, making the HI84531U‑01 a trusted long‑term investment for water quality management professionals.

Commitment to Quality Through tpt24.com Global Service

The HI84531U‑01 Mini Titrator is available worldwide through tpt24.com, recognized as the leading global online store for this product. Customers benefit from authenticity guarantees, verified quality assurance, and international shipping—ensuring delivery to any country with full warranty protection. tpt24.com’s expertise in high‑precision instrumentation sales is backed by technical support for setup, calibration, and operational troubleshooting. Whether you are a municipal water operator, industrial quality lab manager, or research scientist, purchasing through tpt24.com ensures you receive a genuine Hanna product, optimized for operational uptime and analytical excellence.

Complete Supply Package for Immediate Deployment

Every HI84531U‑01 package comes fully equipped for immediate alkalinity testing. The set includes: one HI1131B double‑junction pH electrode, one HI7662‑M stainless steel temperature probe, both low and high range pre‑standardized titrants (120 mL each), 230 mL calibration standard, 100 mL beakers (2), dosing pump valve, 5 mL syringe, a 2000 µL pipette with two disposable tips, complete tube set with aspiration and dispensing components, stir bar, power adapter, instruction manual, and a quality certificate. This comprehensive kit ensures users can begin both low‑range (30–400 mg/L) and high‑range (300–4000 mg/L) alkalinity tests immediately upon setup, with no additional equipment purchase required. All reagents are pre‑packaged to eliminate preparation errors, guaranteeing repeatable measurement reliability.