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CPB 5000HP -- Pressure Balance High-Pressure Version

Category: PRESSURE, CALIBRATORS

Model: Dead Weight Tester, Dead Weight Tester

Avaibility: AVAILABLE

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Proven primary standard

Pressure balances (dead-weight testers) are the most accurate instruments available on the market for the calibration of electronic or mechanical pressure measuring instruments. The direct measurement of the pressure (p = F/A), as well as the use of high-quality materials enable a very small measurement uncertainty, in conjunction with an excellent long-term stability.

The pressure balance (dead-weight tester) has therefore been used for years in factory and calibration laboratories in industry, national institutes and research laboratories.

Stand-alone operation

Due to its integrated pressure generation and the purely mechanical measuring principle, the model CPB5000HP is ideal for on-site use for maintenance and service.

Basic principle

Pressure is defined as the quotient of force and area. The core component of the CPB5000HP is therefore a very precisely manufactured piston-cylinder system, onto which a mass load is applied in order to generate the individual test points.

The mass load is proportional to the target pressure and this is achieved through optimally graduated masses. As standard, these masses are manufactured to the standard gravity (9.80665 m/s?2;), though they can be adjusted to a specific location and also DKD/DAkkS calibrated.

Specifications

Model CPB5000HP

PISTON-CYLENDER SYSTEMS

Measuring range 1)

25 ... 2,500 bar

25 ... 4,000 bar

25 ... 5,000 bar

Required masses

50 kg

80 kg

100 kg

Smallest step 2)

(Standard mass set)

2.5 bar

2.5 bar

2.5 bar

Nominal effective area of the piston

0.02 cm?2;

0.02 cm?2;

0.02 cm?2;

Measuring range 1)

350 ... 40,000 psi

350 ... 60,000 psi

350 ... 70,000 psi

Required masses

55 kg

83 kg

97 kg

Smallest step 2)

(Standard mass set)

50 psi

50 psi

50 psi

Nominal effective area of the piston

0.02 cm?2;

0.02 cm?2;

0.02 cm?2;

Accuracies

Standard 3) 4)

0.025 % of reading

Pressure transmission medium

to 4,000 bar / 60,000 psi: Hydraulic fluid based on VG22 mineral oil (1 litre included in scope of delivery)

5,000 bar / 70,000 psi: Sebacate oil (0.5 litres included in scope of delivery)

Material

Piston

Hardened steel

Cylinder

Tungsten carbide

Piping in base

1.4404 stainless steel, 6 x 2 mm

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