Detects inorganic acid in 2-seconds down to 1 part per million. Fast, accurate, and easy to use, QwikCheck provides an early warning of acid problems. The Yellow to Red color change allows you to easily and clearly communicate the need for action to the equipment owner.
Specifications: Two Second Acid Test Kit , Color Change Indicates Pass/Fail , Tests for Inorganic Acids to the ARI-700 limit of 1ppm , Works with All Refrigerants & Oils , Meets EPA Venting Regulations
Do not remove QwikCheck from package until ready to use. The QwikCheck indicator paper is golden-yellow before testing.