UIC 541-04

Automatic Variable Load Brake Testing

This test defines specifications for automatic variable load braking systems that adjust braking force proportionally to the vehicle's loading condition, optimizing stopping distance and wheel adhesion. The standard covers the design, functionality, and performance requirements of automatic load-sensing brake control equipment fitted to freight and passenger trains. Testing verifies that braking force automatically adjusts across the range from empty to fully loaded conditions, enhancing safety and reducing wheel slide risk. Accreditation for this test is critical for manufacturers of brake control systems and railway operators ensuring consistent, safe braking performance regardless of train loading.

What it measures

  • Load-proportional braking force adjustment mechanisms
  • Response characteristics across loading range
  • Wheel adhesion optimization and anti-lock performance
  • System reliability and fail-safe functionality
  • Pressure modulation and control accuracy
🇩🇪 DIN EN 14198 🇬🇧 BS EN 14198 🇫🇷 NF EN 14198 🇮🇹 UNI EN 14198 🇪🇸 UNE EN 14198 🇳🇱 NEN EN 14198
1,560 Accredited labs
17 Countries

Showing 326–350 of 849 labs

Labor Becker MVZ e

Active
DAkkS D-ML-13272-01-00 München, DE
Drogenscreening-Qualitativer Anti-HCV-Bestätigungstest Benzodiazepine, Kokain, Opiate, Buprenor Organische Säuren Neuroleptika, Antidepressiva + 3 more
View Profile

Labor Berlin - Charité Vivantes

Active
DAkkS D-ML-13440-03-01 Berlin, DE
Thrombozytenaggregation (ADP, ASPI, TRAP) Oligosaccharide Aceton Ethanol + 3 more
View Profile

Labor Berlin - Charité Vivantes Services

Active
DAkkS D-ML-19677-01-01 Berlin, DE
Thrombozytenaggregation (ADP, ASPI, TRAP) Oligosaccharide Aceton Ethanol + 3 more
View Profile

Labor Brunner, Labormedizinisches Versorgungszentrum Konstanz

Active
DAkkS D-ML-13333-01-00 Konstanz, DE
Ampicillin Cefepim Ceftazidim HbA1c Katecholamine + 3 more
View Profile

Labor Fenner und Kollegen Medizinisches Versorgungszentrum für Labormedizin und Humangenetik

Active
DAkkS D-ML-19241-01-00 Hamburg, DE
qualitative Bestimmung von Antidepressiva, Cocain, Designerdrogen u Mitogenen, Medikamenten 5-Hydroxyindolessigsäure HbA1c + 3 more
View Profile

Labor Heidrich & Kollegen MVZ

Active
DAkkS D-ML-13201-03-01 Hamburg, DE
Thrombozytenfunktion Cyclosporin A Everolimus Lacosamid Lamotrigin + 3 more
View Profile

Labor Knechten

Active
DAkkS D-ML-19490-01-00 Aachen, DE
Basophile Basophile (rel.) CD3- CD16+ CD56+ CD3- CD19+ CD10+CD3+ + 3 more
View Profile

Labor Krause & Kollegen MVZ

Active
DAkkS D-ML-18018-01-00 Kiel, DE
10-Hydroxy-Carbamazepin 9-Hydroxyrisperidon Amiodaron, Desmethylamiodaron Amisulprid Aripiprazol + 3 more
View Profile

Labor Spranger

Active
DAkkS D-ML-13363-01-00 Ingolstadt, DE
hCG (qualitativ) Freie Fettsäuren gamma-Linolensäure, Arachidonsäure (AA) Katecholamine VMS, 5-HIES, HVS + 3 more
View Profile

Labor von Froreich

Active
DAkkS D-ML-13298-01-01 Hamburg, DE
10-OH-Oxcarbazepin Antiepileptika: Berechnung Medikamente Carbamazepin-epoxid Cyclosporin A + 3 more
View Profile

Labor Hannover MVZ

Active
DAkkS D-ML-19669-01-00 Hannover, DE
Differentialblutbild Automat Eosinophile, Basophile, Normoblasten, so Hämoglobin Natriumchlorid Glucose + 3 more
View Profile

Labor Lübeck MVZ

Active
DAkkS D-ML-18419-01-00 Lübeck, DE
HbA1c Adrenalin Dopamin Noradrenalin Vanilinmandelsäure + 3 more
View Profile

Labor Mainz MVZ

Active
DAkkS D-ML-19668-01-00 Mainz, DE
Hämoglobin Natriumchlorid Kalium Natrium Eiweißelektrophorese: Albumin, Alpha-1-G + 3 more
View Profile

Labor G. Enders MVZ Gesellschaft bürgerlichen Rechts

Active
DAkkS D-ML-17120-01-00 Stuttgart, DE
17-OH-Progesteron Aciclovir Aripiprazol Carbamazepin-epoxid Clozapin, Norclozapin + 3 more
View Profile

Labor an der Salzbrücke MVZ

Active
DAkkS D-ML-19665-02-00 Ritschenhausen, DE
Differentialblutbild Automat Eosinophile, Basophile, Normoblasten, ni MN (mononukleare Zellen) Leukozyten Retikulozyten, Retikulozyten Hb + 3 more
View Profile

Labor für Wasser und Umwelt

Active
DAkkS D-PL-14586-01-02 Bad Liebenwerda, DE
DIN 38402-A 11 DIN 38402-A 12 DIN 38402-A 13 DIN ISO 5667-5 (A 14) DIN EN ISO 5667-6 (A 15) + 3 more
View Profile

Labor:Medizin Krefeld Medizinisches Versorgungszentrum

Active
DAkkS D-ML-19493-02-00 Krefeld, DE
HCG, ß-HCG Ampicillin Cefipim Hämoglobin A1c (HbA1c) Linecolid + 3 more
View Profile

LaborZentrum Weser Franz-Josef Schmitz

Active
DAkkS D-ML-13273-01-00 Minden, DE
Differentialblutbild Kleines Blutbild (maschinell) Thrombozyten Unreife Thrombozyten (IPF) Urinsediment (maschinell) + 3 more
View Profile

Laborarztpraxis med. S. Wehrenfennig

Active
DAkkS D-ML-17683-01-00 Darmstadt, DE
HbA1c Großes Blutbild Kleines Blutbild Retikulocyten Natriumchlorid + 3 more
View Profile

Laborarztpraxis Osnabrück

Active
DAkkS D-ML-13243-01-00 Georgsmarienhütte, DE
Verschlußzeiten 10-Hydroxycarbamazepin + Oxcarbazepin Amiodaron + Desmethylamiodaron Amisulprid + 3 more
View Profile

Laborarztpraxis Osnabrück e

Active
DAkkS D-ML-13243-01-01 Georgsmarienhütte, DE
IGF-1 (Somatomedin C) Lamotrigin HbA1c Aldosteron Albumin + 3 more
View Profile

Laborarztpraxis Rhein-Main MVZ GmbH & Co. e

Active
DAkkS D-ML-18474-01-01 Frankfurt am Main, DE
17-OH-Progesteron Androstendion Everolimus Metanephrin, Normetanephrin Methylmalonsäure + 3 more
View Profile

Laborgemeinschaft Berlin - Labor 28

Active
DAkkS D-ML-17159-01-00 Berlin, DE
Basophile Granulozyten Eosinophile Granulozyten Erythrozyten Hämatokrit Leukozyten + 3 more
View Profile

Laborgemeinschaft Köln

Active
DAkkS D-ML-18033-01-00 Köln, DE
Liste aller Untersuchungsverfahren im fl Webpräsenz des Medizinischen Laboratoriu HbA1c Basophile Basophile absolut + 3 more
View Profile

Laborgemeinschaft Odenwald

Active
DAkkS D-ML-18493-01-00 Darmstadt, DE
HbA1c Großes Blutbild Kleines Blutbild Retikulocyten Natriumchlorid + 3 more
View Profile

No matching labs found.

Industries

Railway rolling stock manufacturers Brake control system suppliers Freight train operators Passenger rail services Railway certification and safety authorities

Related Standards

  • UIC 541-01 Railway brakes — Braking power
  • UIC 541-05 Railway brakes — Anti-slide device
  • EN 14198 Railway applications — Wheelsets and bogies — Safety requirements for thermal management

Other Test Methods

0 labs selected
Compare