RKI Instruments 81-0185RK-04 Phosphine Calibration Gas - 0.5 ppm (PH3)

By RKI Instruments Equivalent


Balance Gas: Nitrogen

Size: 34L


  • RKI Instruments equivalent 0.5 ppm Phosphine (PH3) span gas cylinder used to calibrate RKI gas detection equipment with phosphine gas sensors.
  • Fully compatible with RKI Instruments gas detectors requiring 0.5 ppm phosphine with balance nitrogen.
  • Precision blended and inspected to industry standards - National Institute of Standards and Technology (NIST) traceable and certified.
  • Made in the USA by GASCO, ISO 9001:2008 Certified.

Contact us for custom phosphine calibration gas mixtures.

Subject to hazardous materials shipping requirements.

Technical Specs

Target Gas: Phosphine (PH3)
Concentration: 0.5 parts per million
Balance Gas: Nitrogen
Gas Type: Reactive
Cylinder Size: 34L
Part Numbers:
RKI Part Number: 81-0185RK-04
GASCO Part Number: 34L-PH3-0.5
Manufactured by: Gasco Affiliates, LLC
Shelf Life: 12 Months
Regulator Compatibility: Valve Inlet: C-10
Stainless steel regulator required due to reactive nature of gas.
Fixed Flow Stainless Steel (70/SS Series)
Tubing Compatibility: Teflon® Tubing

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