James Instruments, Inc. Air Meters for Fresh Concrete
James offers a complete line of pressure air meters as well as air entrainment meters for determining the percentage of entrained air in freshly mixed concrete.
Features & Benefits
- Light weight
- Superior rugged design
- Easy to read gauges insure air entrainment consistency
- Three popular models to choose from
- Conforms to ASTM C-173, C-231
A-AB-1200 ASTM Type B Pressure Air Meter
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™ ASTM "Type B" 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 Instruments™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 standards.
A-AV-1300 James Instruments ASTM Volumetric Air Meter
Easily measures entrained air in any type of concrete. It has a state of the art design where there are no threads to strip, an easy to use expansion plug top and an all stainless steel V clamp, that securely holds the top and bottom together. The unit also has a leak proof 'O' ring design, as well as an improved clamp system, so that it can easily and smoothly roll on the clamp.
This light weight unit weighs 1/3 of it brass counterpart and about 1/2 the weight of an aluminum unit. Easy to clean, the unit is made of reinforced fiberglass and PVC. The system conforms to ASTM C-173.

Specifications
A-AB-1200 Meter
- Net Wt. 21.5 Lbs. (9.7 kg)
- Height 22 in. (56 cm)
- Diameter 9 in. (23 cm)
A-AV-1300 Meter
- Net Wt. 5.5 Lbs. (2.5 kg)
- Height 24.25 in. (61.5 cm)
- Middle Dia. 7.25 in. (18.4 cm)
- Volume 134 cu.in. (2200 ml)
- Sight Tube 0-6%
The A-AB-1200 James Instrument ASTM "Type B" Pressure Meter includes: Air Meter, carry case, calibration vessel, outside calibration tube, 3 oz. syringe, strike off bar, 24" tamping rod and 16 oz. rubber mallet.
The A-AV-1300 James Instrument ASTM Volumetric Air Meter includes: Air Meter, Funnel, Syringe, Tamper, Calibrated Cup, Mallet, Strike off Bar and Plastic Carrying Case.