COMPACT PROCESS REFRACTOMETER – Polaris™ PR53GC

Compact Process Refractometer – Polaris™ PR53GC

Product Overview

The Vaisala Polaris™ PR53GC is a compact process refractometer designed for real-time, inline liquid concentration measurement in industrial applications. With high accuracy and stable performance, the PR53GC is ideal for industries such as chemical processing, food & beverage, and pharmaceuticals — especially in harsh environments involving high temperatures and pressures.

Technical Specifications

• Refractive Index Range (nD): 1.32 – 1.53 (equivalent 0 – 100 °Bx)

• Accuracy: ±0.00014 nD (±0.1 °Bx)

• Repeatability: ±0.00002 nD

• Resolution: ±0.000015 nD

• Response Time (T63): 10 second

• Process Temperature: –40°C to +150°C

• Maximum Process Pressure: 40 bar

• Wetted Materials: Stainless steel EN 1.4404 (AISI 316L), single crystal sapphire prism, PTFE gasket

• Communication: Analog 4–20 mA, Modbus RTU

• Protection Rating: IP66/IP67, NEMA Type 4X

• Power Supply: 24 V DC (9–30 V DC), consume <1 W

Key Features

• High-accuracy measurement: Utilizes light refraction to measure liquid concentration with outstanding accuracy and stability, unaffected by bubbles, particles, or color.

• Extensive concentration curve library: Supports over 500 concentration curves for various industrial applications, including sulfuric acid, sodium hydroxide, and many other compounds.

• Easy integration: Compatible with the Vaisala Indigo520 transmitter and Insight software for flexible configuration and monitoring.

• Durable construction: Withstands high temperatures and pressures, making it suitable for demanding industrial environments.

Benefits

• Safe operation: Non-moving part design reduces maintenance needs and minimizes process downtime.

• Process optimization: Real-time data enables effective process control and adjustments.

• Cost efficiency: Durable and reliable design reduces long-term maintenance and replacement costs.

Applications

• Chemical industry: Monitors solution concentration in chemical processing and refining operations.

• Food and beverage industry: Controls concentration of solutions in the production of food and beverages.

• Pharmaceutical industry: Ensures solution quality and concentration in pharmaceutical manufacturing.

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Reference link: https://www.vaisala.com/en/industrial-measurements/products/liquid-concentration/vaisala-polaris-pr53gc-process-refractometer