Salmen Tech Co., Inc.
533 N St.
Bethel Park, PA 15102
PH: 800-304-1822    FAX: 412-854-1851
email us
Primary/Certified Standards
PurityPlus® Specialty Gases offers several grades of calibration gas
standards – Custom Mixtures, Certified Standards, and Primary Standards to
meet the level of accuracy for your laboratory or production process. All
PurityPlus® Specialty Gases are custom-mixed and analyzed, and then
properly labeled in one of our independently audited laboratory facilities.
Each PurityPlus Production facility conforms to a strict set of quality-
assurance measures and standard operating procedures. Each of these labs
have been thoroughly inspected, certified and documented to be compliant
with FDA, DOT, OSHA, and EPA requirements - among others - by AsteRisk,
a globally known, reputable, independent certification company
headquartered in the U.S. (For more information on AsteRisk, please visit

Exposure to hazardous chemicals results in steep fines, penalties, and a
compromised workforce. PurityPlus® Specialty Gases meets regulations and
ensures compliance with all primary and certified standards.
Call us or email us for your calibration
and test gas needs there are way too
many mixtures and custom blends to list.
email us click here

Or fax us at:
Our best selling units to the gas industry
Zero cal gas 105 liters   C10 valve   cost each  $ 160.00  part# SPE1005-105
Methane 50% LEL 2.5%  105 liters C10 valve   $ 160.00 Part# SPE1400-105
Methane 25% LEL 1.25%  105 liters C10 valve $ 160.00
4-gas mixture 58 liter H2S 25PPM -CO 100 PPM - CH4 50% LEL- O2 18% balance nitrogen $
300.00 SPE2542-58

Complete Calibration Kits incudes:  $ 495.00
2 bottles gas (zero and cal or 2 cal)
1 regulator
1 carrying case (for 2 bottles)
Call us for any special mixes.