TB84PH2000300 ABB Bailey Analog Input Module
Brand：ABB Model number：TB84PH2000300
Country of origin: Sweden Product weight：0.55KG
HS code：8517623990
Product Details：
Product Dimensions：
The TB84PH2000300 belongs to ABB's flagship TBX series of industrial sensors, known for utilizing a solid-state Next Step reference technology. This specific model features a heavy-duty, field-reversible or hot-tap style hardware configuration that allows it to be inserted directly into process pipelines or tanks. The sensor utilizes a unique solid-state reference junction rather than a traditional liquid or gel-filled reference, which prevents the common issues of process contamination and reference poisoning. It is equipped with an integrated temperature compensation element to ensure automated accuracy adjustments during thermal fluctuations in the process fluid.
Measurement Range: $0$ to $14 \text{ pH}$ for acid/base monitoring, and $\pm 1999 \text{ mV}$ for ORP applications.
Body Material: Typically constructed from high-grade PVDF (Kynar) or Stainless Steel to resist chemical attack.
Reference Junction: Solid-state Next Step matrix reference.
Temperature Compensation: Integral Pt100 or $3 \text{ k}\Omega$ Balco RTD for automatic temperature compensation (ATC).
Maximum Pressure Rating: Capable of handling process pressures up to $10 \text{ bar}$ ($145 \text{ psi}$) depending on the specific mounting hardware and process temperature.
Maximum Temperature Rating: Rated for continuous operation up to $120\text{°C}$ ($248\text{°F}$).
Cable Connection: Integral low-noise coaxial cable with waterproof booted assembly, specified by length in the product configuration.
Integral Preamplifier: Available with an onboard preamplifier to allow for long-distance signal transmission without noise interference.
A foundational advantage of the TB84PH2000300 is its Next Step Solid-State Reference. By eliminating liquid junctions, the sensor is immune to poisoning from heavy metals, sulfides, or cyanides, which dramatically extends its operational lifespan. The Rugged Industrial Design ensures mechanical stability under high flow rates and abrasive slurry conditions.
The sensor offers Low Maintenance Requirements because it does not require periodic electrolyte refilling or pressurized reference reservoirs. Furthermore, the High-Temperature Capability allows it to be used in sterilization cycles or hot chemical reactors without causing thermal shock to the measuring glass electrode, providing consistent and repeatable analytical data.
When deploying the TB84PH2000300, the Sensor Hydration must be maintained; if the sensor's measuring glass dries out during storage or prolonged process shutdowns, it must be soaked in a buffer solution before it can provide accurate readings. During installation, ensure the sensor is mounted at an angle of at least 15 degrees above the horizontal plane to prevent air bubbles from trapping inside the glass bulb, which causes measurement drift.
Chemical Compatibility should always be verified; while PVDF is highly resistant, certain organic solvents may degrade the body material over time. Technicians must handle the sensor with care during cleaning, using only soft cloths or chemical solvents like dilute hydrochloric acid to clean fouling, as abrasive materials will scratch the pH-sensitive glass membrane. Finally, when calibrating the system, always perform a two-point buffer calibration using fresh, uncontaminated buffer solutions to ensure proper slope adjustment in the transmitter.
The ABB TB84PH2000300 is extensively utilized across primary processing industries where liquid analysis is tied directly to product quality or safety.
Chemical and Petrochemical: Monitoring pH levels in harsh chemical reactors, neutralization tanks, and acidic waste streams.
Pulp and Paper: Managing bleach plant chemicals and monitoring the pH of black liquor recovery loops.
Mining and Metal Extraction: Controlling flotation circuits and leaching processes where high-density abrasive slurries are present.
Water and Wastewater: Managing the influent and effluent neutralization in industrial water treatment facilities.
Power Generation: Monitoring flue gas desulfurization (FGD) scrubbers to optimize lime slurry consumption.
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