Plastic Calibrator quickly checks the accuracy of pressure-type concrete air meters. The unit is made of rugged plastic with a metal weighted ring. When using a calibrator in the water-filled 0.25ft³ base, the air meter gauge should register 5% air. Two calibrators can be used for a 10% air reading.
Features:
- Fast, on-site accuracy checks
- Rugged plastic construction
Included Items:
- Plastic Calibrator
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