Description

IPRM-M-PG Propylene glycol Inline refractometer

Product Features:

Compact size, easy installation, high cost-effectiveness, high reliability, and selectable host unit.

 

Measuring substances:

Real-time automatic detection of ethylene glycol solution concentration.

 

Applications:

Data Center Liquid Cooling Systems:

CDU supply/return: Real-time monitoring of coolant concentration in the CDU supply and return headers for real-time insight into the mixing ratio and concentration drift;

Cabinet and server branches: Real-time monitoring of coolant concentration in cabinet supply branches verifies coolant consistency across branches; monitoring points on key loops can be configured for high-heat-density cabinets as required;

Mixing and replenishment systems: Real-time monitoring of concentration at the automatic mixing outlet provides feedback control of the water/ethylene glycol or propylene glycol ratio; concentration verification on the replenishment line prevents abnormal coolant from entering the main loop;

Circulation and storage systems: continuous monitoring of system coolant concentration at the circulation pump outlet or storage tank bypass provides a basis for replenishment, water makeup and operation maintenance.

 

Industrial Refrigeration and Secondary Coolant Systems:

Chillers and heat exchangers: Real-time monitoring of concentration at the inlet and outlet on the secondary coolant side of evaporators and plate heat exchangers ensures antifreeze and heat-transfer performance;

Secondary coolant circulation systems: Real-time monitoring of concentration at the circulation pump outlet, return header and storage tank prevents abnormal mixing ratios, freezing risk, and increased viscosity and energy consumption caused by high concentration;

Low-temperature process users: Real-time monitoring of supply/return concentration for cold rooms, ice storage, reactors and low-temperature process equipment ensures stable operation of the circulation system;

Antifreeze/secondary coolant production and mixing: Real-time monitoring of concentration during the mixing of ethylene glycol, propylene glycol, water and corrosion inhibitors enables automatic ratio control and final inspection of product concentration.

 

Technical Specifications of the Ethylene Glycol Inline Refractometer
Series Type	IPRM-M Mini Series
Product Model	IPRM-M-PG
Product Image
Measured Parameters	Solution concentration, temperature, refractive index
Measurement Range	Ethylene glycol: 0 to 50.0% w/w Refractive index: 1.3200 to 1.5170 RI
Resolution	0.01%
Measurement Accuracy	±0.2%
Displayed Parameters	Sample concentration, sample temperature, refractive index, mainboard temperature, mainboard humidity
Ambient Temperature	-20 to +50 °C
Measurement Temperature	-20 °C to +60 °C
Prism Material	Optical-grade sapphire
Key Materials	Wetted parts: 316L stainless steel; housing: aluminum alloy
Power Supply	DC 24V or AC 220V
Signal Output	DC 4-20 mA; RS-485; 2 switching signal outputs
Protection Rating	IP65
Process Pressure	≤1.0 MPa (10 bar); higher pressure ratings available on request
Cleaning Options	Optional automatic cleaning assembly
Installation Options	Clamp, flange and pipe adapters, small-bore adapters, etc.
Other Functions	The operating panel displays concentration, temperature, refractive index and other data, and supports fault code prompts, one-key zero calibration and factory reset.

 

Product Image

 

Product Images and Dimensions

Display side of the analyzer	Measuring side of the analyzer
Dimension drawing of the analyzer (unit: mm)

 

Installation Diagram

Installation diagram for small pipe diameter

 

Product Advantages

No Pre-treatment, Measurement in Seconds   No sample pre-treatment or reagents/consumables required; the entire measurement takes just seconds.	Ultra-long-life Light Source   A light source with a service life of up to 100,000 hours cuts usage and maintenance costs.	Fully Automatic Cleaning   An optional assembly provides fully automatic cleaning of the optical window, preventing contamination from biasing measurement results.	Unaffected by Color and Turbidity   Not affected by the color, turbidity or viscosity of the sample.
Unaffected by Air Bubbles and Particles   Excellent algorithms keep measurement results unaffected by air bubbles, solid impurities or crystals in the sample.	Unaffected by Pressure and Flow Rate   Unaffected by pressure changes, sudden flow fluctuations or turbulence in the sample.	No Moving Parts during Measurement   The instrument performs measurement without mechanical movement, ensuring long-term stability.	Fully Flat Optical Window   The fully flat prism structure prevents dirt from accumulating on the optical window.
Factory Calibration and ATC   Factory calibration and automatic temperature compensation make the instrument ready for use immediately.	Analog and Digital Communication   Supports communication with a host PC, with 4-20 mA and RS485 signal outputs.	Alarm and Control Output   Supports switching signal outputs for alarms and control.	Support for Customized Modeling   Supports data modeling, with customizable data models.