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The 112 Litre Solution

Greg Shires

For much of the past 25 years little had changed in the availability and selection of calibration gas cylinders/mixtures for gas detection applications. Manufacturers were happy to enjoy the profits of selling 58 litre cylinders for standard 4 gas (H2S/CO/CH4/O2) mixtures and single corrosive gas mixtures.

It was not until 2008 when CAC GAS & Instrumentation in partnership with Scientific and Technical Gases (UK) introduced a unique and customer-focused solution. The 112DA Cylinder.

This was the first disposable gas cylinder pressurize to 70 bar (1000psi) for use with gas detection instruments.  Prior to this, gas cylinders were pressurized to only 35 bar or less.   

This increased pressure provided the opportunity to double the gas volume in the same size cylinder giving customers, for the first time 112 litres of gas, in the same size cylinder as the 58 litre.  

The benefits were quickly realised and it became known as the 112 Litre Solution!

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Topics: Calibration Gas Selection, Calibration Gases

Chlorine Gas Calibration - Challenges for Gas Detection Instruments

Greg Shires

The process of gas calibration involves the testing and comparison of a gas detection device against some fixed reference value. The process includes using an accurate gas mixture as a reference and comparing it with the values provided by the instrument being tested. The cylinder mixture or device that produces the assigned correct value is known as the standard and it plays a vital role in all gas calibration.

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Topics: Gas Theory for Gas Detection Applications, Calibration Gas Selection, Gas Mixtures, Calibration Gases

Calibration Gas Selection: What’s a "pentane equivalent" calibration?

Matt Shaw

The selection of calibration gas is critical in the operation of any combustible gas detector.

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Topics: Gas Theory for Gas Detection Applications, Calibration Gas Selection

Choosing Your Gas Cylinder Size - What You Need To Consider

Paul Fry

20131115_74576_674x322_13510316_109593.jpgThere are a few factors to consider when choosing your gas cylinder size now that there is greater availablity in the market.

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Topics: Calibration Gas Selection

Calibration Gas Shelf Life: What You Need to Know

Paul Fry

The shelf life of calibration gases are varied. Every mixture will have a particular shelf life which is determined specifically for that product. 

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Topics: Speciality Gas Theory and Applications, Calibration Gas Selection

Gas Calibration: Methane or Pentane?

Greg Shires

Choosing the incorrect gas to calibrate your detector will make the readings inaccurate and potentially unsafe. Here we explain which gas to use in order to ensure accurate and safe readings.

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Topics: Gas Theory for Gas Detection Applications, Calibration Gas Selection