Specialized oxygen-sensor manufacturer with 44-year experience in all Japan,based on 100% Japanese production quality and cost peformance. Iijima Electoronics Corporation provides testing equipment to measure the residual oxygen concentration in the package. Good reputation on simple/easy operation even for first-timer users.

We named the product PACK MASTER in the hope that it would help engineers control the oxygen remaining in packaged products. “PACK MASTER” is a registered trademark of Iijima Electronics Corporation for a Residual Oxygen Meter.

PACK MASTER takes measurements more quickly, easily, and accurately.

Model: RO-103