7866+7872D Hydrogen Purity Analyzer
Online hydrogen purity analysis for generator hydrogen cooling systems and gas replacement monitoring in power plant applications.
Overview
The 7866+7872D hydrogen purity analyzer combines the analyzer and sampling system into one solution for monitoring generator hydrogen purity and gas replacement purity. It uses a reliable Honeywell thermal conductivity sensor to provide sensitive and accurate analysis of two-component gas mixtures. The system is widely used in power plants where stable hydrogen purity monitoring is required for generator safety and performance.
Key Applications
Hydrogen-cooled generators
Generator gas replacement monitoring
Power plant hydrogen systems
Hydrogen purity monitoring
Carbon dioxide replacement stages
Online power industry analysis
Problems It Solves
Measures hydrogen purity in generator cooling systems where stable online monitoring is needed
Helps operators track gas purity during hydrogen and carbon dioxide replacement stages
Supports safer operation by giving continuous purity information instead of relying on manual checks
Reduces maintenance burden with automatic drainage and a sampling system designed for field calibration
Key Features
Uses a reliable Honeywell thermal conductivity sensor for two-component gas analysis
Designed specifically for generator hydrogen purity and gas replacement monitoring in power plants
Includes wide-range temperature compensation and an explosion-proof sensing unit
Provides a precise sampling system that is convenient for on-site calibration
Uses automatic drainage technology and a safety bypass function
Widely adopted as a specified supporting product for generator manufacturers
Technical Specifications
Product name
7866+7872D hydrogen purity analyzer
Product type
Online hydrogen purity analyzer with sampling system
Measurement range
0 to 100 % CO2 in air; 0 to 100 % H2 in CO2; 75 to 100 % H2 in air
Accuracy
Plus or minus 2% F.S under standard conditions for two mixed gases
Response time for H2
63%: 13 s; 90%: 23 s
Response time for CO2
63%: 24 s; 90%: 45 s
Output range
4 to 20 mA, factory setting, 75 to 100 % H2 in air
Maximum load
800 ohm
Sample gas flow
0.5 SCFH
Explosion-proof rating
Ex d IIC T6
Dimensions
800 mm x 400 mm x 1660 mm
Weight
131 kg
How It Fits Into a Complete Solution
The 7866+7872D fits into a complete hydrogen solution as a fixed online purity analyzer for generator hydrogen cooling systems. It works well with hydrogen leak detectors, oxygen analyzers, dew point analyzers, and control systems to provide a fuller picture of hydrogen quality and generator safety.
Industries
Power plants
Designed for generator hydrogen cooling systems in power industry applications.
Generator manufacturers
Used as a specified supporting product for generator-related hydrogen monitoring.
Gas replacement operations
Supports purity verification during hydrogen and carbon dioxide switching stages.
Hydrogen cooling systems
Provides online purity analysis for safe hydrogen cooling operation.
Industrial energy projects
Useful where fixed hydrogen purity monitoring is part of high-standard operating requirements.
Continuous process monitoring
Suitable for applications that need steady online purity data and sampling support.
FAQ
What is the 7866+7872D used for?
It is used for generator hydrogen purity monitoring and gas replacement purity monitoring in power plant hydrogen systems.
What sensing principle does it use?
It uses a thermal conductivity sensing principle with a Honeywell sensor.
Can it monitor gas replacement stages?
Yes. It is designed to monitor purity during hydrogen and carbon dioxide replacement processes.
Is this a portable analyzer?
No. It is a fixed online analyzer with a dedicated sampling system.
Does it include sampling support?
Yes. It includes a precise sampling system with automatic drainage and safety bypass support.
Tell Us Your Hydrogen Application
Contact us for quote support, datasheet details, lead time, and product matching for the 7866+7872D hydrogen purity analyzer and related generator hydrogen purity applications.
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- Nearly 30 years of hydrogen equipment manufacturing experience
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