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CPB 5800 -- Hydraulic Pressure Balance

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 CPB5800 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 CPB5800 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 UKAS calibrated.

Base Model CPB5800

Base version

Hydraulic standard

up to max. 1,200 bar (16,000 psi); with internal pressure generation

Hydraulic high pressure

up to max. 1,400 bar (20,000 psi); with internal pressure generation

Pressure transmission medium

Standard

Hydraulic fluid based on VG22 mineral oil

Optional

Sebacate oil, brake fluid, Skydrol or Fomblin oil (dependent on measuring range)

Reservoir

250 cm?3;

Connections

Connection for piston-cylinder system

G ¾ male / optional: ConTect quick-release connector (not for 1,400 bar version (20,000 psi version))

Test item connection

G ½ B female threaded quick-connectors, freely rotating, exchangeable for other threaded inserts, see Accessories

Material

Piping in base

1.4404 stainless steel, 6 x 2 mm

Weight

Standard hydraulic base

18.0 kg / 19.0 kg (39.7 lbs / 41.9 lbs) (incl. optional ConTect quick-release connector)

Hydraulic high-pressure base

18.0 kg (39.7 lbs)

Storage case for the base

8.5 kg (18.7 lbs)

Permissible ambient conditions

Operating temperature

18 ... 28 °C (64 ... 82 °F)

Dimensions (W x D x H)

Base

401 x 375 x 265 mm (15.7 x 14.8 x 10.4 in), for details, see technical drawings

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