Calibration Gas / Span Gas

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  99.5% Pure Butane Calibration Gas

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  50 ppm Carbon Monoxide Balance air

  For Use with 4 gas monitors

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  100ppm Carbon Monoxide Balance Air

  For use with 4 gas or single gas units

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  250 ppm Carbon Monoxide Balance Air

  For use with 4 gas or single gas units

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  2% Carbon Dioxide Balance Nitrogen

  For use with CO2 units

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  2.5% (50% LEL) Methane (CH4) , 100ppm CO , 25ppm H2S , 18% O2 balance N2

  suitable for use with BW/Honeywell 4 gas detectors

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  2.1% Vol Oxygen , balance Nitrogen

  suitable for use with oxygen analysers for IGS

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  100ppm Iso-butylene , balance Air -

  suitable for use with gas detectors with PID

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  8% Vol Butane , Balance Nitrogen

  Suitable for use with Tankscope type instruments

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  99.995% Nitrogen -

  suitable for use with portable oxygen detectors and oxygen analysers for IGS

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