Concrete Air Meter Calibrator (5%), Plastic

Humboldt Manufacturing

$ 54.99 
Item #: CT-2788

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Calibrators check the accuracy of any pressure type concrete air meter. Set the specially-designed canister upright at the bottom of the water-filled base. The meter should read 5% air by volume. Two calibrators are used for a 10% air reading.

  • 4" dia. x 3-3/4" (102 x 95 mm)
  • CT-2788