Humboldt Concrete Air Meter - H-2783A
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Humboldt Concrete Air Meter
Supports the following standards: AASHTO T49, AASHTO T187
The H-1240DA penetrometer adds a digital gauge to the H-1240 electric penetrometer to provide precise at-a-glance readings, as well as the ability to automatically start a test with a button push and have the test end after a preset duration.
This unit has a machine-grooved aluminum base, built-in leveling screws fitted with rubber inserts to protect needle and cone tips. Two stainless steel rods support the cast aluminum head with coarse/fine adjustments. A button release mechanism with a digital timer automatically stops the plunger when the preset time from 0.1–9.9 seconds expires and the indicator can be instantly reset to zero. Any needle or cone with a standard 1/8in (3mm) diameter stem may be mounted to the 47.5g plunger assembly. The penetrometer is supplied with a standard 2.5g ASTM D 5 Needle and two additional Loading Weights (50g and 100g).
Includes:
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Humboldt Concrete Air Meter
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Press-Ur-Meter Concrete Air Meter -H-2786
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Volumetair Air Meter
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