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Inline Refractometer for N-methylpyrrolidone (NMP) Concentration

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Inline Refractometer for N-methylpyrrolidone (NMP) Concentration

Inline Refractometer for N-methylpyrrolidone (NMP) Concentration

The ZXRN0-100 model inline refractometer is designed to measure the concentration of N-methylpyrrolidone (NMP).

  • Specifically designed for lithium battery manufacturing and related chemical processing;
  • High durability saphhire prism and stainless steel body;
  • Equipped with Automatic Temperature Compensation (ATC);
  • Provides three readings: NMP, nD, Temperature. Specifications found below.

 

 

Measurement Specifications

Measurement Parameters Range Resolution Accuracy
NMP Concentration 0.00-100.00% 0.01% ±0.01%
Refractive Index (nD) 1.33299 - 1.47285 0.00001 ±0.00001
Temperature 5°C to 100°C 1℃ ±1℃

Product Description

An inline refractometer is an industrial sensing device installed directly on pipelines or tanks to continuously measure the concentration of liquids in real-time. It works by detecting changes in the refractive index of the solution, delivering instant and accurate data for process control.

The ZXRN0-100 model inline refractometer is specifically designed for N-methylpyrrolidone (NMP) applications. ItIt offers real-time, high-precision measurement of NMP concentration from 0% to 100%, with rapid response and strong stability. Integrated with Automatic Temperature Compensation (ATC) and a sapphire prism, it ensures reliable operation in demanding environments, this tool is vital for high-performance applications in lithium battery manufacturing and chemical processing.

 

 

Product Features

  • High Accuracy: Delivers lab-grade precision with measurement error as low as ±0.1%
  • Ultra-Durable Sapphire Prism: Built with a high-purity sapphire optical prism, resistant to chemical corrosion and mechanical wear—ideal for long-term industrial use.
  • Industrial-Grade Protection (IP65): Fully sealed against dust and water, suitable for harsh industrial environments.
  • Automatic Temperature Compensation (ATC): Automatically corrects readings based on process temperature (5°C–100°C), maintaining accuracy without manual adjustment.
  • Dual Output for Smart Integration: Supports dual 4–20mA outputs (sugar %, temperature) and RS-485 digital communication for seamless integration into factory automation systems.

 

 

Typical Applications

  • Lithium Battery Manufacturing
  • Chemical Solvent Recycling
  • Electronics and Semiconductors
  • New Energy Materials

 

 

Technical Specifications

Ambient Temperature  
Prism Material Sapphire
Wetted Material 316L Stainless Steel
Light Source LED 
Power Supply DC 24V
Output Mode Dual 4–20mA (NMP%, Temperature), RS-485
Protection Level IP65 (Dust-tight and water-resistant)
Maximun Pressure 2MPa
Temperature Compensation Automatic Temperature Compensation
Dimension 120 x 120 x 175mm (4.72 x 4.72 x 6.89in)
Net Weight 120g (0.265 lbs)
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The ZXRN0-100 model inline refractometer is designed to measure the concentration of N-methylpyrrolidone (NMP). Specifically designed for lithium battery manufacturing and related chemical processing; High durability saphhire prism and stainless steel body; Equipped with Automatic Temperature Compensation (ATC); Provides three readings: NMP, nD, Temperature. Specifications found below.     Measurement Specifications Measurement Parameters Range Resolution Accuracy NMP Concentration 0.00-100.00% 0.01% ±0.01% Refractive Index (nD) 1.33299 - 1.47285 0.00001 ±0.00001 Temperature 5°C to 100°C 1℃ ±1℃

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