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Humboldt H-2786 Product Manual
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Humboldt H-2786 Product Manual

Air meter
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07.24
H-2786
Air Meter

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Summary of Contents for Humboldt H-2786

  • Page 1 07.24 H-2786 Air Meter...
  • Page 2 Press-Ur-Meter— H-2786 The original Press-Ur-Meter for field and laboratory tests, 1/4-cu.-ft. (.007m ) air meter is designed to determine air content, determination of specific gravity and free moisture test of aggregates. Designed to save time, reduce water used, ensure accuracy and maintain sample integrity (sample may be used for slump and compression tests).
  • Page 3 Operation Instructions Fill the base with a sample of fresh concrete, placing it in the base by vibrating or tamping, in much the same manner as the concrete is to be placed on the job. Strike off the base, level full, with the bronze straight edge furnished.

  • Page 4: Maintenance Tips

    6. Screw curved tube into the outer end of petcock and by pressing on thumb lever and controlling flow with petcock lever, fill the 5% calibrating vessel level full of water from the base. 7. Release the air at the free petcock. Open the other pet cock and let the water in the curved pipe run back into the base.
  • Page 5 H-2785.6 H-2785.16 H-2785.19 H-2785.12 H-2785.6A H-2785.5 H-2785.29 H-2785.3 H-2785.11 H-2785.2 H-2785.41 H-2785.18 H-2785.DB H-2785.4 H-2786 Air Meter Replacement Items Part No. Description Part No. Description H-2785.1 Pressure chamber H-2785.19 Cover H-2785.2 Pressure chamber cap H-2785.20 Cover O-ring H-2785.3 Pressure chamber elbow H-2783.24...
  • Page 6 H-2785.35 H-2785.34 H-2793 H-2789 H-2785.32 H-2788 Air Meter Calibrators (5%) Calibrators check the accuracy of any pres- H-2785.33 sure-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.
  • Page 7 CLEAN,REPAIR CALIBRATE Call: 1.800.544.7220...

  • Page 8: Warranty

    Warranty Humboldt Mfg. Co. warrants its products to be free from defects in material or workmanship. The exclusive remedy for this warranty is Humboldt Mfg. Co., factory replacement of any part or parts of such product, for the warranty of this product please refer to Humboldt Mfg.