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
1,323 Accredited labs
15 Countries

Showing 251–275 of 773 labs

DAkkS D-ML-13321-01-01 Wolfsburg, DE
Retikulozyten Differentialblutbild Erythrozytenzahl Erythrozyten-Volumen (MCV) Verteilungsbreite) + 3 more
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DAkkS D-ML-13450-02-01 Würzburg, DE
Fazio-skapulo-humerale DSC2, DSG2, DSP, JUP, PKP2, TMEM43 ); SN Myopathie-Panel; SNV Myotone Dystrophie Typ 1 / M. Curschmann-Steinert (DMPK) + 3 more
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DAkkS D-ML-13355-03-00 Stuttgart, DE
Thrombozytenfunktion Antiepileptika: Benzodiazepine, Fentanyl Ethylglucuronid, Ethylsulfat Ciclosporin, Tacrolimus, Everolimus + 3 more
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DAkkS D-ML-13355-04-00 Stuttgart, DE
Zelldifferenzierung HLA Klasse I Antikörper Crossmatch (serologische Verträglichkeitsprobe im HLA-System) Serologische HLA-Klasse-I-Typisierung + 3 more
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DAkkS D-ML-13295-05-00 München, DE
HLA-Antikörpertestung (Detektion) HLA-Klasse I und II HLA-Antikörper (Spezifizierung) HLA-Antikörper Screening HLA-Antikörperdifferenzierung + 3 more
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DAkkS D-ML-13295-04-00 München, DE
Thromboplastinzeit) Thrombozytenfunktion 10-OH-Carbazepin 5-Hydroxyindolessigsäure (5-HIES) + 3 more
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DAkkS D-ML-13295-04-01 München, DE
Lamotrigin AFP HbA1c CA 125 AMH + 3 more
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DAkkS D-ML-13295-01-01 München, DE
Kleines Blutbild Differentialblutbild maschinell C-reaktives Protein (CRP) Differentialblutbild manuell Urinstatus + 3 more
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DAkkS D-ML-13295-03-00 München, DE
17-OH-Progesteron ACTH Androstendion Aldosteron Anti-TG Antikörper + 3 more
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DAkkS D-ML-13421-01-00 Ludwigshafen, DE
Liste aller Untersuchungsverfahren Webpräsenz des Medizinischen Laboratoriu CDT Ampicilin Cefepim + 3 more
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DAkkS D-ML-13136-01-01 Augsburg, DE
Rhythmusstörungen (ABCC9, AKAP9, ANK2,TT MSH2, MSH6, MUTYH, PMS2, PTEN, RAD51C, R Familiärer Brust- und Eierstockkrebs MSH2, MSH6, EPCAM ); SNV, CNV Birt-Hogg-Dubé-Syndrom (FLCN + 3 more
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DAkkS D-ML-13400-01-00 Groß Grönau, DE
AMA M2-3E IgG Anti-CCP (Cyclische Citrullin Antikörper) IgG Anti-dsDNS-NCX IgG Anti- Transglutaminase + 3 more
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DAkkS D-K-17518-01-01 Remscheid, DE
abweichungen Metrosoft CM und Messvolumen Metrosoft QUARTIS, mit einer Software der Fa. WENZEL Raumdiagonale Metromec Chur, CH von ≤ 4666 mm
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DAkkS D-K-15098-01-01 Leonberg, DE
Software von WENZEL einer Raumdiagonalen Messprojektoren einer Raumdiagonalen Koordinatenmessgeräte geräte mit einem Messmikroskope ≤ 600 mm Auswertesoftware Messvolumen mit + 2 more
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DAkkS D-PL-17382-02-00 München, DE
UIC-Mb 541-03 UIC-541-08 UIC-541-6 DIN 27205-9 DIN EN 15355 + 3 more
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DAkkS D-K-15077-01-00 Aschaffenburg, DE
Parallelendmaße 0,5 mm bis DIN EN ISO 3650:1999 Parallelendmaße aus 0,5 mm bis Keramik oder Wolframkarbid nach + 3 more
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DAkkS D-K-22877-01-01 Eschweiler, DE
(ein- und mehrgängige zylindrische Außen- und geradlinigen Flanken und symmetrischem Profil sowie positiven Flankenwinkeln) + 3 more
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DAkkS D-ML-13173-01-00 Bad Oeynhausen, DE
Thrombozytenfunktion Amiodaron/Desethylamiodaron Cotinin Cyclosporin A Everolimus + 3 more
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DAkkS D-ML-21357-01-00 Heppenheim, DE
Albumin Alkohol ALP Anti-Faktor Xa (Fragmin) AT3 + 3 more
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DAkkS D-K-15082-01-00 Hamburg, DE
Durchfluss von Gasen 17 mL/s transferstandards Strömungswiderstand 5 mL/min 15,0 mL/min Laminar Flow Elemente 17 mL/min + 3 more
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DAkkS D-K-17059-02-01 Dresden, DE
Messschieber für Außen-, 0 mm Innen- und Tiefenmaße > 300 mm Tiefenmessschieber 0 mm Höhenmessschieber 0 mm + 3 more
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DAkkS D-ML-13087-01-00 Schüttorf, DE
10-Hydroxycarbazepin (MHD) Amiodaron, Desmethylamiodaron Clozapin, Norclozapin Cyclosporin A Amiodaron, Desethylamiodaron + 3 more
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DAkkS D-ML-13087-02-00 Leer, DE
HbA1c Basophile Eosinophile Erythrozyten Hämatokrit + 3 more
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DAkkS D-ML-17171-01-01 Baden-Baden, DE
HbA1c HCG qualitativ Erythrozyten Granulozyten basophil Granulozyten eosinophil + 3 more
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DAkkS D-ML-20249-01-00 Braunschweig, DE
HbA1c Retikulozyten Leukozyten Kleines Blutbild Großes Blutbild = + 3 more
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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

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