Air Meter Calibration: A Step-By-Step Guide - Gilson Co.
The standard test methods ASTM C231 and AASHTO T 152 explain how to test concrete in pressure-type concrete air meters, and describes concrete air meter calibration in detail. The published calibration procedures seem complicated and intimidating at first glance; however, for meaningful results, they must be followed to the letter.
ASTM C231 - Calibration of Type B Meter - YouTube
2020年4月21日 · For more information on this method, including calculations, please visit the CTTP online training modules here: https://cttp.uark.edu/online-training......more. This video provides a summary of...
ASTM C231: Testing Air Content of Concrete With a Type B
2023年9月12日 · This guide explains how to test the air content of concrete with a type B pressure meter. It is a supplemental ASTM reading, plus a study tool for the ACI exam.
pressure air meters. The method for determining the air content of fresh concrete using these meters is described in California Test 504. This test method is divided into the following parts: I. Calibration of Base Unit . II. Calibration of Press-Ur Meter (Brand Name) Using the Built-In Calibration System. III.
Concrete Air Meter Calibration Guide - Humboldt Services
2022年8月8日 · This video will give you an in depth guide to calibrating your Concrete Air Meter.--Humboldt Mfg. Co., located in the United States, is a long-standing, lead...
The intent of these procedures is to provide instruction to the appropriate personnel for the calibration of volumetric air meters for entrained air in fresh concrete for accurate, uniform results. Complete Volumetric Air Meter Assembly. Rubber Syringe. Scale with capacity of 20 pounds (9 kg) and readable to .01 pound (1 g).
How to Perform a Concrete Air Test - Certified MTP Blog
2024年6月13日 · Follow a step-by-step guide to perform an accurate concrete air test. Understand volumetric & gravimetric methods for testing air content in concrete mixes. Identify factors that affect results & troubleshoot common issues. Use essential accessories & equipment for testing. Maintain/calibrate your meter regularly.
Type B Concrete Air Meters, ASTM C231 Compliant - Gilson Co.
Gilson's high-quality Type B Concrete Air Meter measures entrained air of fresh concrete. Each air meter includes a calibration vessel, calibration tubes, a tamping rod, an aluminum straightedge, a syringe for water, a carrying case with die …
These procedures will be used to instruct personnel in the proper methods used to calibrate Type B pressure meters to insure uniformity and accuracy in entrained air tests for concrete. Scale with capacity of 200 pounds (90 kg) and readable to .10 pound (5 g). 100 mL graduated flask. Threaded pipe or rubber tubing. Small amount of pump grease.
By pressing on the needle valve lever and controlling the flow with the petcock lever, carefully fill the included calibration vessel (64) with water. Make sure to fill the vessel completely. Release air pressure by opening the free petcock. Open the other petcock and allow water from the tube to run back into the base.