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K1650 Hydrogen Purity and Purge Gas Analyser

Brand: MTL Instruments

The K1650 analyser has been designed specifically for use in power stations.

Modern turbogenerators produce a great amount of heat and the most efficient way of removing this heat is by enveloping the parts in hydrogen because hydrogen has seven times the cooling capacity of air.

It is possible however for air to leak into the system, so it is essential to monitor the hydrogen purity for both efficiency and safety - as an air mixture will produce a potentially explosive atmosphere.

When maintenance needs to be carried out, the atmosphere surrounding the turbogenerator has to be replaced with air.

This cannot be a direct replacement because of the explosive mixture that would be produced in the process.

Instead, an inert gas, usually carbon dioxide, is used to purge the hydrogen, then air is introduced to purge the carbon dioxide.

The same procedure must be followed in reverse when replacing the hydrogen atmosphere.
Features
  • Single Remote Sensor
  • Measures All Gas Purge Stages
  • ATEX Certified for Hazardous Areas
  • Simple, Low Cost Servicing
  • Optional Sample Systems
  • Easy Replacement of Old Analyzers

Specifications

Display

  • Dot matrix LCD registering 4 lines of alphanumeric characters

Ranges

  • 0 to 100 % CO₂ in Air: Resolution 0.5 %
  • 0 to 100 % H₂ in CO₂: Resolution 0.1 %
  • 90 to 100 % H 2 in Air: Resolution 0.1 %

Stability

  • Better than 1 % FSD/month

Accuracy

  • ± 1 % FSD typically

Sample Flow

  • Between 100 to 300 mL/min for optimum performance

Sample Temparature

  • -10° to +55° C (Non-Condensing)

Sample Pressure

  • Set by vent pressure which must be nominally atmospheric

Speed of Response

  • T90 - typically 5 secs or less

Ambient Temparature

  • -5° to +40° C

Power Supply

  • 110/120 V or 220/240 Vac, 50/60 Hz power consumption, 12 VA

  • Hydrogen Purity Measurement in Turbo-generators
  • Hydrogen Purity Measurement in Synchronous Compensators
  • Inert Gas Monitoring During Service Shut Downs
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