PROCESS REFRACTOMETER FOR CHEMICAL APPLICATIONS -Polaris™ PR53W

Process Refractometer for Chemical Applications- Polaris™ PR53W

Product Overview

The Vaisala Polaris™ PR53W is a valve-type process refractometer specifically designed for accurate concentration measurements of highly corrosive chemicals such as sulfuric acid, hydrochloric acid, and sodium hydroxide in industrial pipelines. With non-metallic wetted parts and superior chemical resistance, the PR53W is an ideal solution for the chemical, pharmaceutical, and metal processing industries.

Technical Specifications

• Refractive index (nD) range: 1.32 – 1.53

• Accuracy: ±0.00014 nD (equivalent to ±0.1 °Bx)

• Repeatability: ±0.00002 nD

• Resolution: ±0.000015 nD

• Response time (T63): 10 seconds

• Process temperature: -20°C to +85°C

• Temperature sensor: Integrated Pt1000 with automatic compensation

• Wetted materials: Diaphragm-lined valve body, no metal parts exposed to chemicals

• Ingress protection: IP66/IP67, NEMA Type 4X

• Communication interfaces: Modbus RTU, HART, Analog output

Key Features

• Reliable and accurate measurement – Utilizes light refraction principles to deliver stable, real-time concentration data, unaffected by bubbles or impurities.
• Corrosion-resistant design – Diaphragm-lined valve body prevents any contact between chemicals and metal parts, ensuring maximum durability.
• Easy system integration – Compatible with Vaisala Indigo520 transmitters and Insight software for flexible configuration and monitoring.
• Low maintenance – No moving parts, reducing maintenance needs and minimizing downtime.

Benefits

• Safe and efficient operation – Enables accurate chemical monitoring in harsh environments, enhancing safety for operators.
• Process optimization – Real-time data helps maintain precise process control and improves production efficiency.
• Cost-effective – Durable design minimizes equipment replacements and maintenance costs.

Applications

• Chemical industry – Monitoring concentrations of strong acids and bases in production lines.

• Pharmaceuticals – Controlling chemical concentrations in drug manufacturing processes.

• Metallurgy – Monitoring corrosive solutions used in metal processing.

• Pulp and paper – Measuring chemical concentrations in paper production processes.

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Reference link: https://www.vaisala.com/en/industrial-measurements/products/liquid-concentration/vaisala-polaris-pr53w-process-refractometer