Providing More Than The Product Since 1968

Deadweight Tester Ashcroft 1305D

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Deadweight Tester Ashcroft 1305D 00010

The Ashcroft 1305D Deadweight Tester is an
affordable, portable primary pressure stan-
dard, specifically designed for the precise cali-
bration of industrial service gauges and trans-
ducers. Accurate to 0.1% of reading, each
deadweight tester is carefully calibrated and
certified traceable to the National Institute of
Standards and Technology (NIST).
The 1305D is a “dual-range” system which
provides a “high” and a “low” pressure piston
assembly and a complete set of weights
labeled with corresponding high and low pres-
sure values. Each system includes a “2 speed”
lever action hydraulic pressure pump capable
of achieving pressures up to 10,000 psi. By
repositioning a shuttle valve, the operator can
select between 2 different rates of pressure
generation, thereby reducing the effort neces-
sary to develop higher pressures.To “fine
tune” the pressure output to a specific calibra-
tion point, the pump is equipped with a second-
ary micro-adjust vernier displacement valve.
The standard 1305D pump is designed to
operate with 20 weight petroleum based motor
or machine oil. For applications requiring the
use of glycol or phosphate ester based
“hydraulic” fluids, the pump is optionally avail-
able with special seals suitable for these media.
In addition, each set includes the tools,
adapters and accessories necessary to
accommodate most field or lab calibration
requirements. All of the components are con-
veniently stored in a metal “tool box” for maxi-
mum protection and portability.Weight sets
are also protected in separate metal storage
boxes.
The 1305D offers a rugged field ready pri-
mary standard, certified to yield consistent,
accurate results.

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