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Ashcroft Deadweight Tester kits

Primary pressure standard accurate to ±0.1% of reading
These self-contained tester kits have everything you need for testing, setting, calibrating, and repairing your high-accuracy pressure instruments—except operating fluid. Each kit consists of a two-stage hydraulic pump, two interchangeable piston assemblies (high- and low-pressure), a manifold with connectors, and an assortment of nonmagnetic, die cast zinc alloy weights. Precision-tooled weights are premeasured, marked with pressure values for each piston and come with a separate case.
Use the high-pressure piston for calibration pressures at maximum psi with a 75 psi resolution (see table at below); use the low-pressure piston to achieve 1/5 of the maximum pressure with a 15 psi resolution.
During operation, the manifold is pressurized until the weight assembly reaches a designated mark. A displacement valve lets you vary the pressure without using the pump handle or release valve. Once the correct pressure is achieved, simply reposition the needle on your gauge to the corresponding value.
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5 variations of this product are available.

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5 PRODUCT OPTIONS
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Max Pressure Pressure Accuracy Pressure Resolution
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Ashcroft 1305D Deadweight Tester Kit, 1000 psi Maximum EW-68840-00 Mfr # 1305D-10
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1000 psi
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Ashcroft 1305D Deadweight Tester Kit, 2000 psi Maximum EW-68840-10 Mfr # 1305D-20
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2000 psi
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Ashcroft 1305D Deadweight Tester Kit, 3000 psi Maximum EW-68840-20 Mfr # 1305D-30
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3000 psi
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Ashcroft 1305D Deadweight Tester Kit, 5000 psi Maximum EW-68840-30 Mfr # 1305D-50
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5000 psi
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Ashcroft 1305D Deadweight Tester Kit, 10,000 psi Maximum EW-68840-40 Mfr # 1305D-100
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10000 psi
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