Humboldt Concrete Air Meter - H-2783A
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Humboldt Concrete Air Meter
Supports the following standards: ASTM C231
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, and the meter should read 5% air by volume. Two calibrators are used for a 10% air reading.
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Humboldt Concrete Air Meter
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Press-Ur-Meter Concrete Air Meter -H-2786
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