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Oxygen Analyzer for Gas Purity Measurements – Michell XZR400

Fast Responding With Metallic Sealed Reference Sensor


  • Fast response time
  • Simple and easy operation
  • Low maintenance and cost of ownership
  • No need for reference air
  • Barometric pressure compensation
  • Multiple Outputs available from 4-20 mA, RS485 Modbus RTU and RS232
  • Rack, wall-mount, bench-mount, and transportable versions available
  • Optional built-in Easidew Transmitter with rack-mount version

Product Description

The XZR400 zirconium oxide gas purity analyzer from Michell Instruments is designed to measure oxygen as an impurity in inert gases such as nitrogen, carbon dioxide, helium and argon.

A range of trace oxygen analyzers utilizing Michell’s Metallic Sealed Reference Sensor (MSRS) technology. Designed to measure O2 as an impurity in pure inert gases such as N2, CO2, He, Ar and even Kr. The XZR400 can also be used for cylinder filling and other applications where a precise measurement of oxygen is required. There are three different chassis to choose from and various options including pumps, flow alarms and digital communications to match customer needs. The rack mount unit can be supplied with an Easidew or SF82 moisture transmitter fitted inside the case.

See datasheet for the full specification of the XZR400 Series range.