Brief History of Desgranges & Huot France.

1962
Designed the New French National Standard - Hydraulic, 6 MPa, 0.02%

1969
BNM established in Paris First studies for New High Pressure National standard Hydraulic, Controlled Clearance, 50 ppm uncertainty.

1970
Desgranges & Huot Gmbh opens in Frankfurt, Germany

1975
New Low Pressure French National Standard designed and built

1975
First type 5000 Pressure Balance manufactured Tungsten Carbide PCA, kg Masses, Simple Free Deformation Mounting...

1977
National Standard Extended to 1000 MPa

1978
Pressure Multiplying and Dividing Technologies improved coverage of:
Very High Pressures to 1000 MPa
Differential Pressures
Absolute Pressures

1981
First Very Large Area Piston Cylinder Assembly

1982
First Digital Piston Gauge Introduced

1984
First Automatic Pressure Balance

1993
First Very High Pressure Automatic Controller

1996
Prototype of Automatic Absolute Pressure Balance 100 kg masses, Very Large Area PCA.

Desgranges & Huot merges with the Pressure Calibration Division of Budenberg (UK) and becomes:

DH-Budenberg

latest news

WIKA acquires DH-Budenberg

Klingenberg, April 2011.
With the takeover of DH-Budenberg WIKA intends to further expand its leading position in the field of pressure calibration. DH-Budenberg's product range includes high-end primary pressure standards and transfer standards of the Desgranges & Huot brand as well as laboratory and industrial standards of the Budenberg brand.

"The acquisition is another step, in addition to our innovative product developments, to expand our calibration technology division in a sustainable manner, and for the long term. The worldwide unique technology of DH-Budenberg is an ideal addition to our portfolio and strengthens our position, so that we can offer our customers an even more attractive programme in all classes of accuracy, from primary standard to pressure controller," said Alexander Wiegand, CEO of the WIKA Group.

DH-Budenberg will become a part of the calibration technology division of the WIKA Group.

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