Tradition meets High Tech
Founded in 1919, Haenni & Cie AG was originally known for pressure gauges and fittings manufacturing. The first wheel load scales emerged in the early seventies. The craft and the technical sophistication of this time are still reflected in the products. In addition to the traditional hydro-mechanical systems, hybrid systems have been built with digital display and battery operation over time. In the latest generation of a novel, patented spring element has been developed which sets new standards in the field of portable wheel load scales. 

HAENNI Instruments Inc. is a Baumer Company since 2005 and has developed into a modern production facility. Through the tight integration with Baumer, an international family company, we meet all the requirements of a strong economic partner with a focus on future success.

Time travel through the history of HAENNI

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2018 - Start of production type WL 400

First strip sensor for mobile use.

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2017 - Start of production type WL 108

Improved model of WL 103

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2011 - New company building

Move into the new building in Kirchberg.

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2007 - Production start type WL 104

First fully electronic scale from HAENNI.

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2005 - Takeover by the Baumer Group

An international family business with a passion for sensor technology, encoders, measuring instruments as well as components for automated image processing takes over HAENNI.

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1995 - Start of production type WL 103

First model with digital display (hybrid technology, electrohydraulic)

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1990 - ISO 9001 Certification

The certification ISO 9001 is successfully completed.

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1986 - Start of production type WL 101

Improved model of WL 100

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1977 - Patent granted and start of series production of the type WL 100

Analog, mechanical with pointer

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1974 - First patent

Registered for "force measuring device" and production of the first wheel load scales

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1919 - Foundation of Haenni & Cie AG

Manometer- & fittings factory

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