A complete line of air entrainment meters for determination of percent entrained air in freshly mixed concrete.

A-AB-1200 ASTM Type ‘B’ pressure air meter
(most popular design)

The James Instruments’ ASTM Type ‘B’ Pressure Air Meter is manufactured to the highest standards in the industry. It is the most precise air measuring device available for concrete. Utilizing a heat treated aluminum body and cast in handles on the base the A-AB-1200 is a light weight, durable, and easy to use piece of equipment.

The James Instruments’ Pressure Air Meter features a large number of mechanical improvements over previous designs. The unit uses the latest technology available in clamping systems. It uses large stainless steel clamp levers, each with a holding capacity of 2500 lbs. These
clamps provide the user with dependable operation every time. It also features innovative sealing technology for accurate readings and long life. Ruggedness has also been improved by using full welds on critically hardened seams rather than spot welds. The A-AB-1200 also comes with a durable, advanced, high volume pump as well as a large easy to read gauge, and bourdon tube. These features makes the
James ASTM Type ‘B’ Pressure air meter the most durable, accurate, rapid and easy to use meter on the market. The pressure gauge is color coded for entrained and entrapped air. The system meets ASTM C- 231 & AASHTO T152.

The A-AB-1200 James Instruments’ ASTM Type ‘B’ Pressure Meter comes with Air Meter, carry case, calibration vessel, inside calibration vessel, outside calibration vessel tube, 3 oz syringe, strike off bar, 24” tamping rod, 16 oz rubber mallet.