High-temperature glass ORP sensor featuring an integrated industrial-grade reference system and premium glass outer casing structure.
Technical dimensions schematic of an industrial online ORP probe highlighting the PG13.5 installation thread and customizable glass body length options.
Detailed view of a large-area 99.99% high-purity platinum ring engineered into a redox potential electrode for highly stable potential tracking.
High-temperature glass ORP sensor featuring an integrated industrial-grade reference system and premium glass outer casing structure.
Technical dimensions schematic of an industrial online ORP probe highlighting the PG13.5 installation thread and customizable glass body length options.
Detailed view of a large-area 99.99% high-purity platinum ring engineered into a redox potential electrode for highly stable potential tracking.

LT4900 High-Temp Platinum Glass ORP Sensor for Chemical Processes

Our high-temperature glass ORP electrode utilizes a premium platinum ring for highly stable chemical process oxidation-reduction monitoring.

● High-Purity Platinum Process: Features a large-area 99.99% high-purity platinum ring design that guarantees an exceptionally stable measurement potential across all media requiring accurate oxidation-reduction potential monitoring.
● Premium Mettler Compatibility: Engineered to utilize an advanced industrial-grade reference system, serving as a highly reliable, direct replacement option for premium brand Mettler Toledo equivalent ORP sensors.
● Extreme High-Temperature Resistance: Constructed with a ruggedized glass body structure capable of withstanding continuous, long-term operational environments ranging from 0°C up to 130°C.
● Anti-Clogging Reference Architecture: Employs a robust double liquid junction reference system containing PCG polymerized gel and a specialized porous ceramic core salt bridge to prevent contaminant invasion and maximize life expectancy.
● IP68 Submersible Waterproof Design: Fully sealed construction rated to IP68 waterproof standards, ensuring dependable and uncompromised performance under high-pressure submersion in demanding manufacturing basins.

High-Temperature Glass ORP Sensor Description

Our High-Temp Platinum LT4900 Glass ORP Electrode for Chemical Processes offers premium electrochemical monitoring for severe B2B industrial environments. Built with a 99.99% high-purity platinum ring and a robust glass body, this high-performance online water quality analyzer probe withstands continuous thermal loads from 0°C up to 130°C.

Engineered with a versatile PG13.5 mounting thread and customizable immersion depths up to 425mm, it delivers an ideal solution for continuous manufacturing lines and heavy industrial wastewater. This heavy-duty ORP sensor brings remarkable commercial value to factory engineers by providing a reliable Mettler Toledo replacement that lowers replacement frequency and provides highly stable oxidation-reduction tracking.

Technical Specifications of Platinum Redox Probes

Measuring range: -2000mV ~ +2000mV
Temperature range: 0~130°C
Pressure Rating: 0-3 Bar, 6 Bar MAX
Temp. compensation type: NTC 2.252K / 5K /10K/22K/30K/ PT100/PT1000 (optionaI)
Slope: 95%
Response time: <10S
Salt Bridge Type: Porous ceramic core
Reference electrolyte: PCG Polymer Gel (Standard Type)
Reference type: dual-salt bridge reference
Installation thread: PG13.5
Housing material: Glass
Insertion depth: 120/150/225/325/425 mm etc customizable
Cable connection: S8/S8M/S7/VP8/K8S/K2, etc customizable

Industrial Online ORP Probes Applications

The LT4900 glass ORP electrode is engineered to address the specific failure points of standard probes in complex, heavy-duty processing systems. Its high-purity platinum design and exceptional thermal resistance solve critical operational pain points across several major fields:

Specialized Application Fields:
● Severe Chemical Process Monitoring (High-Temperature Stability): In continuous chemical manufacturing lines where temperatures steadily hover at extreme levels, standard polymer-bodied sensors quickly degrade or melt. The robust glass body of the LT4900 allows it to maintain structural integrity and electrochemical accuracy during continuous, long-term exposure to harsh thermal loads up to 130°C.
● Aggressive Production Process Control (Ultra-Stable Potential): In specialized manufacturing reactions where redox metrics dictate product purity, fluctuating voltage readouts lead to ruined batches. The LT4900 features an expansive 99.99% high-purity platinum ring that maximizes surface area contact. This specialized metallurgy ensures an exceptionally stable, noise-free measurement potential that chemical plant engineers can rely on.
● Corrosive Industrial Wastewater Treatment (Anti-Poisoning Architecture): Heavily contaminated industrial effluent quickly infiltrates reference systems, fouling standard junctions and leading to sensor drifting. Utilizing an advanced industrial-grade reference system with a double liquid junction and PCG polymerized gel, the LT4900 aggressively blocks sulfide or cyanide poisoning in turbulent heavy-industry wastewater streams.
● OEM Equipment Matching & Retrofitting (Direct Mettler Toledo Alternative): System integrators and skid builders often struggle with the prohibitive maintenance and replacement costs of premium imported instrumentation. Thanks to its standard PG13.5 mounting thread and adaptable VP8/S8 connector configurations, the LT4900 serves as a premium-tier, cost-effective replacement for Mettler Toledo equivalent models, sliding directly into existing assemblies without re-engineering hardware fittings.

Extra Information

Industrial Digital pH Probe Features
● Anti-Interference RS485 Output: Features a standard Modbus RTU protocol digital signal link that provides superior resistance against complex electromagnetic and environmental field noise.
● Corrosion-Resistant Housing: Constructed from a specially formulated polyoxymethylene (POM) material, providing long-lasting durability against aggressive industrial wastewater chemicals.
● Double Liquid Junction Design: Built with a specialized double salt bridge configuration that keeps reference systems clear, effectively preventing electrode fouling and ensuring an extended operation life.
● IP68 Submersible Waterproofing: Sealed under strict engineering specifications to reach a certified IP68 waterproof tier, making it completely safe for continuous underwater monitoring.
● Impact-Resistant Sensitive Film: Equipped with a ruggedized glass sensitive bulb capable of withstanding rough particle flows and severe high-pressure mechanical shocks.
● Fast-Response High Accuracy: Advanced internal sensor components deliver highly reliable, instantaneous tracking and rapid stabilization across unstable media fluids.

Online Water Quality Sensor Customization
● Adjustable Insertion Depths: The standard mechanical body can be tailored to custom probe length dimensions to fit varying process pipes, immersion tanks, or special flow cells.
● Upgradable Porous Ceramic Junctions: Single-point porous ceramic cores can be seamlessly upgraded to two-point or three-point reference interfaces to maximize stability in challenging fluids.
● Bespoke Electrode Head Specs: Structural properties and dimensional layouts of the front electrode tip can be entirely customized to align with pre-existing mounting brackets or systems.
● Extended Field Cable runs: The heavy-duty direct-connect cable assembly can be scaled up to a maximum length of 100 meters without suffering digital signal loss or data degradation.

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