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Technical Reports

Influence of the Gradient of the Weighing Site

The formulas for the dependence between indicated weight and the gradient of the weighing site are deduced and presented in the form of a graph.

Technical Paper P1094_E

General Guide for accurate weighing with portable scales

The possible sources of error are listed and hints are given how to increase the over all accuracy of the weighing result.

Technical Paper P1196_E

Sources of Error in Dynamic Weight Measurement

This is an article written for the Traffic Technology International magazine in 1997.

Technical Paper P1215_E

Evaluation of Factors Affecting WIM System Accuracy

This paper was presented at the second COST 323 WIM conference in Lisbon 1998.

Technical Paper P1216_E

Efficient Weight Enforcement with HAENNI Scales

This paper covers all political, legal, technical and practical issues of weight enforcment.

Technical Paper P1217_E

About HAENNI products


EC 200

The EC 200 is a multifunctional processing software with support for HAENNI wheel load scales and weighing sensors.

HAENNI EC 200 2.15.0.zip


Data transmission program for EC 100 and EC 110.



The HAENNI WebServer provides an easy programming interface to integrate HAENNI devices into your custom Windows® applicaton.

HAENNI WebServer 0.1.9.zip

Calibration WL 104

Primary Indication for WL 104 with higher resolution (1 kg) for calibration purposes.

HAENNI WL 104 Calibration 2.1.0.zip

Calibration WL 108

Secondary Indication for WL 108 with higher resolution (1 kg) for calibration purposes.

HAENNI WL 108 Calibration 1.2.0.zip

Device driver for connecting cable

Connecting cables E 6913.x and E 6916.x are used with WL 103, WL 110 and EC 100.

HAENNI Driver Connecting Cable B.zip

Device driver for Interface Box

Interface Box E 9021.0 is used with WL 104.

HAENNI Driver Interface Box C.zip


Service Tool for WL 108 and WL 400.

HAENNI ServiceSuite 0.1.11.zip