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 1,426–1,450 of 1,560 labs

DAkkS D-ML-13021-01-00 Münster, DE
Cyclosporin A Everolimus Sirolimus Cyclosporin A, Everolimus, Sirolimus, Ta alpha-Linolensäure + 3 more
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DAkkS D-ML-13084-02-00 Regensburg, DE
Liste aller Untersuchungsverfahren Webpräsenz des Medizinischen Laboratoriu Cyclosporin A 25-Hydroxy Vitamin D Ethylglucuronid, Ethylsulfat + 3 more
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DAkkS D-ML-13084-03-00 Regensburg, DE
Rapid EDTA-Plasma Reagin Lipoid-Antikörper/Treponema Treponema pallidum Enteritiserreger (Salmonella Shigella spp., Yersinia spp.) + 3 more
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DAkkS D-ML-13069-04-01 Kiel, DE
Leukozytenanzahl Zelldifferenzierung Zell-Differenzierung von Zytospinpräparaten Pappenheim-Färbung + 3 more
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DAkkS D-ML-13069-06-00 Lübeck, DE
IgG Antikörper gegen Desmoglein IgG Antikörper gegen Envoplakin IgE Antikörper gegen BP180 IgG Antikörper gegen BP180 IgG Antikörper gegen BP230 + 3 more
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DAkkS D-ML-13069-18-01 Lübeck, DE
angeborener Chromosomensatz erworbener Chromosomensatz Fra(X)-Syndrom, FXTAS (FMR1) Friedreich Ataxie (FXN) DRPLA (ATN1) + 3 more
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DAkkS D-ML-13069-02-01 Kiel, DE
10-OH-Carbazepin 9-OH-Risperidon Acebutolol Ajmalin Amiodaron, Desmethylamiodaron + 3 more
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DAkkS D-ML-13069-08-00 Kiel, DE
Sprosspilze, Schimmelpilze, Dermatophyte Staphylococcus aureus, MRSA Plasmodien (Malaria) (Plasmodium falciparum/vivax/ovale/malariae Legionella, Antigen + 3 more
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DAkkS D-ML-13130-02-00 Tübingen, DE
Phytansäure Behensäure Lignocerinsäure Cerotinsäure Adrenalin + 3 more
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DAkkS D-ML-13130-04-00 Tübingen, DE
Ataxien (FXN, SCA1, SCA2, SCA3, SCA6, SC Tumor-Prädispositionen: Brust- Hereditäres Magenkarzinom (CDH1) C9orf72 Chorea Huntington (HTT) + 3 more
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DAkkS D-ML-13130-01-00 Tübingen, DE
Urinsediment (Leukozyten) Legionella spp. Lipoid-AK (Treponema pallidum Aktivitätsparameter) Salmonella spp. + 3 more
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DAkkS D-ML-13130-03-01 Tübingen, DE
Herpes-simplex (IgM) Herpes-simplex (IgG) Herpes-simplex 1 (IgG) Herpes-simplex 2 (IgG) Varizella-Zoster-Virus (IgM) + 3 more
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DAkkS D-ML-13130-07-00 Tübingen, DE
Ataxien (FXN, SCA1, SCA2, SCA3, SCA6, SC Tumor-Prädispositionen: Brust- Hereditäres Magenkarzinom (CDH1) C9orf72 Chorea Huntington (HTT) + 3 more
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DAkkS D-ML-13130-05-00 Tübingen, DE
Basophile Granulozyten Allergenspezifisches IgE Gesamt IgE Tryptase anti-Cardiolipin-IgG + 3 more
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DAkkS D-ML-13294-08-00 Ulm, DE
Aminosäurendiagnostik verschiedene Aminosäuren) Differenzialblutbild Urinbestandteile Zellzählung + 3 more
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DAkkS D-ML-13294-03-01 Ulm, DE
angeborene und erworbene Chromosomenstörungen gezielter Nachweis (sub)mikroskopisch kleiner angeborener oder erworbener + 3 more
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DAkkS D-ML-13294-07-00 Ulm, DE
Treponema pallidum (Cardiolipin Antikörper, Lues-Analytik) Cryptococcus neoformans Meningitiserreger (Streptococcus agalactiae, Haemophilus + 3 more
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DAkkS D-ML-13294-06-00 Ulm, DE
Allergenspezifisches IgE ECP (Eosinophiles cationisches (ECP) Mastzell Tryptase spezifisches IgG + 3 more
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DAkkS D-ML-13294-02-00 Ulm, DE
ADP Arachidonsäure Kollagen/Epinephrin Ristocetin Expression aktivierungsabhängiger + 3 more
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DAkkS D-ML-13294-01-01 Ulm, DE
HbA1c Aldosteron Cortisol APCR- Resistenz Cardiolipin-AK IgG + 3 more
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DAkkS D-ML-13220-02-00 Homburg, DE
freies Hämoglobin Erythrozyten Hämatokrit Hämoglobin Kleines Differential-Blutbild + 3 more
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DAkkS D-ML-13220-01-01 Homburg, DE
Urinsediment Lamotrigin HbA1c Erythrozyten Aripiprazol + 3 more
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DAkkS D-ML-13155-04-00 Greifswald, DE
Familiäre Adenomatöse Polyposis Syndrome (APC, MUTYH) STK11, SMAD4 ), TruRisk® -Panel [SNV, CN Familiäre Polyposis-Syndrome [FAP] (APC, MUTYH) + 3 more
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DAkkS D-ML-13161-02-00 Göttingen, DE
angeborener Chromosomensatz Molybdän-Cofaktor Defizienz (MOCS1, MOCS2) Fragiles X-Syndrom: FMR1 Spinocerebellare Ataxie (SCA) + 3 more
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DAkkS D-ML-13161-01-00 Göttingen, DE
Thrombozytenaggregation Born Verschlußzeit Kollagen/ADP Verschlußzeit Kollagen/Adrenalin 6-Methyl-Mercaptopurinnukleotide + 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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