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CPB 5000 -- Pneumatic 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 calibra-tion of electronic or mechanical pressure measuring instru-ments. 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 CPB5000 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 CPB5000 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 stand-ard, 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.

Base Model CPB5000

Base version

Pneumatic, low pressure

up to max. 10 bar (150 psi); with internal pressure generation

Pneumatic, high pressure/vacuum

up to max. 100 bar (1,500 psi); for external supply and vacuum

Pneumatic, with separator

up to max. 400 bar (5,000 psi); for external supply with integrated gas to oil separator for use with hydraulic pistons with M30 x 2 connection

Pressure transmission medium

Pneumatic

Clean, dry, non-corrosive gases (e.g. air or nitrogen)

Connections

Connection for piston-cylinder system

Standard: M30 x 2 female thread Option: ConTect quick-release connector

Test item connection

Quick connector G ½ B female thread as standard, freely rotating, changeable, for further threaded inserts, see accessories

External pressure connection

6 mm SWAGELOK® threaded pipe connection; max. 110 % of the assigned measuring range; only with pneumatic high-pressure/vacuum base version and with separator

Material

Piping in base

pneumatic low pressure: plastic tubing from polyeurethane, 4 x 0.75 mm pneumatic high pressure/vacuum and with separator: 1.4571 stainless steel, 3 x 1 mm

Weight

Pneumatic base, low pressure

(incl. optional ConTect quick-release con- nector)

18.0 kg / 19.0 kg / (39.8 lbs / 42.0 lbs)

Pneumatic base, high pressure (incl. optional ConTect quick-release con- nector)

18.0 kg / 19.0 kg / (39.8 lbs / 42.0 lbs)

Pneumatic base, separator

16.5 kg (36.5 lbs)

Permissible ambient conditions

Operating temperature

18 ... 28 °C (64 ... 82 °F)

Dimensions (W x H x D)

Base

401 x 375 x 265 mm (15.8 x 14.8 x 10.4 in), for details, see technical drawings

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