Specifications::
James Air Meter for Fresh ConcreteJames
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. 
Roads Bridge Decks Cold Weather Concrete
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
Air
content plays an important role in concrete, James offers the user a
full range of air meters such as ASTM "Type A" Pressure Meter, ASTM "Type B" Pressure Meter and the Volumetric Air Meter.  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™ 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. 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"ť tamping rod and 16 oz rubber mallet. 
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 improved clamp system so that it can easily and smoothly roll on the clamp. This light weight unit weighs 1/3 of its 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. The A-AV-1300 James Instruments™ ASTM Volumetric Air Meter comes with Meter, Funnel, Syringe, Tamper, Calibrated Cup, Mallet, Strike off Bar and Plastic Carry Case.
A-AA-1100 ASTM “Type A" Pressure Air Meter Model The James Instruments™ ASTM "Type A" Air Meter is used to determine the amount of entrained air in freshly mixed concrete. The
A-AA-1100 "Type A" Pressure Air Meter needs little or no maintenance
and is the meter of choice in certain regions. The measurements are
displayed on the graduated cylinder attached to the meter after the
sample base has been pressurized. This
light weight aluminum design conforms to ASTM C- 231 and the complete
systems comes with Meter, Calibration Vessel, Rod, Scoop, Strike off
Bar, Mallet, Instructions and Steel Carry case.
A-AB-1200 Meter
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%
A-AA-1100 Meter
Net Wt. 30 Lbs. (13.6 kg) -
Height 24.3 in. (61.7 cm) -
Diameter 12 in. (30.5 cm)
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