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CPB 3800HP -- Dead-Weight Tester 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 CPB3800HP 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 CPB3800HP 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.

Specifications

Model CPB3800HP

PISTON-CYLENDER SYSTEMS

Measuring range 1)

1 … 60 bar / 20 … 2,600 bar

Required masses

107 kg

Smallest step 2) (Standard mass set)

0.5 bar / 10 bar

Nominal effective area of the piston

1/8 in?2; / 1/160 in?2;

Measuring range 1)

10 … 800 lb/in?2; / 200 … 40,000 lb/in?2;

Required masses

119 kg

Smallest step 2) (Standard mass set)

5 lb/in?2; / 100 lb/in?2;

Nominal effective area of the piston

1/8 in?2; / 1/160 in?2;

Accuracies

Standard 3) 4)

0.025 % of reading

Premium 3) 4)

0.01 % of reading

Pressure transmission medium

Hydraulic fluid based on VG22 mineral oil (0.5 litre included in scope of delivery)

Material

Piston

Tungsten carbide / steel

Cylinder

Steel / tungsten carbide

Weight

Piston-cylinder system

2 kg [4.4 lbs]

bar mass set, box 1

43.3 kg [95.5 lbs]

bar mass set, box 2

29.7 kg [65.5 lbs]

bar mass set, box 3

29.4 kg [64.8 lbs]

bar mass set, box 4

29.4 kg [64.8 lbs]

lb/in?2; mass set, box 1

40.5 kg [89.3 lbs]

lb/in?2; mass set, box 2

33.6 kg [74.1 lbs]

lb/in?2; mass set, box 3

33.6 kg [74.1 lbs]

lb/in?2; mass set, box 4

31.6 kg [69.7 lbs]

Dimensions (W x D x H)

Carrying case 1 for mass set (optional)

400 x 310 x 310 mm [15.8 x 12.2 x 12.2 in]

Carrying case 2 - 4 for mass set (optional)

215 x 310 x 310 mm [8.5 x 12.2 x 12.2 in]

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