Trace oxygen analyser ensures gas purity in cryogenic air separation

AMS Instrumentation and Calibration presents a new range of oxygen
analysers designed to ensure the purity of gas produced by cryogenic air

The new XZR400 oxygen analyser from Michell Instruments measures trace
levels of oxygen down to 0.01 parts per million in pure, inert gases such as
nitrogen, argon, helium and carbon dioxide. The XZR400 uses Michell’s MSRS zirconium
oxide oxygen sensor, which contains a metallic sealed reference and ensures
long-term repeatability of measurements. Though calibration is required every
three to six months, it can be carried out with just one calibration gas,
saving time and money.

Key features of the XZR400 trace oxygen analysers include choice of four
configurations – rack, wall, bench mount and transportable; intuitive
touch-screen interface for quick and easy operation; barometric pressure and
digital flow meters provided as standard; one or two 4-20 mA outputs available;
no reference air requirement; and non-depleting technology ensuring long
lifespan of over seven years for the sensors. Options include digital outputs
such as Modbus RTU over RS485 protocol, RS232, internal or external sample
pumps, and process pressure correction.

For further
information, please visit the AMS Instrumentation and Calibration website or call 03-9017 8225, or
Freecall (NZ) 0800 442 743.

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