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
🇧🇪 NBN EN 14198 🇩🇪 DIN EN 14198 🇬🇧 BS EN 14198 🇫🇷 NF EN 14198 🇮🇹 UNI EN 14198 🇪🇸 UNE EN 14198 🇳🇱 NEN EN 14198
2,795 Accredited labs
21 Countries

Showing 2,751–2,775 of 2,795 labs

biomedis Kalibrierservice

Active
DAkkS D-K-18768-01-00 Gießen, DE
Vickers hardness test (ISO 6507) Railway braking — urban guided transport Railway vehicle body structural requirem Thermoelementsensor* meter, direkt anzeigende + 3 more
View Profile

biovis Diagnostik MVZ

Active
DAkkS D-ML-13188-01-01 Limburg a. d. Lahn- Eschhofen, DE
tration von Harnsäure tration von Harnstoff HbA1c Cortisol Hydroxy-progesteron + 3 more
View Profile

cetecom advanced

Active
DAkkS D-PL-12047-01-01 Saarbrücken, DE
ISO 20653 DIN EN 50155 DIN EN IEC 60068-2-11 DIN EN 60068-2-14 DIN EN 60068-2-30 + 3 more
View Profile

crashtest-service.com

Active
DAkkS D-PL-17359-01-00 Münster, DE
DIN EN 1317-1* DIN EN 1317-2* DIN EN 1317-3* DIN V ENV 1317-4* DIN CEN/TS 1317-7* + 3 more
View Profile

wernecke Feuchtemesstechnik GmbH Kalibrierlabor

Active
DAkkS D-K-19202-01-00 Strausberg, DE
Railway braking — urban guided transport meter, direkt anzeigende *) > 30 % > 60 % hygrometrische + 3 more
View Profile

eco-INSTITUT Germany

Active
DAkkS D-PL-20051-01-01 Köln, DE
DIN EN ISO 717-1 DIN EN 717-3 DIN ISO 16000-3 DIN ISO 16000-6 DIN EN ISO 16000-9 + 3 more
View Profile

esz AG calibration & metrology

Active
DAkkS D-K-15019-01-01 Landkreis Fürstenfeldbruck, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) Technical cleanliness of fluid system co Railway braking — urban guided transport + 3 more
View Profile

eumetron

Active
DAkkS D-K-15151-01-01 Aalen, DE
Railway maintenance — track geometry (EN auch Vor-Ort Kalibrierung Koordinatenmesstechnik DIN EN ISO 3650:1999 133 mm + 3 more
View Profile

eurofins Umwelt West

Active
DAkkS D-PL-14078-01-03 Wesseling, DE
DIN EN 12880 DIN EN ISO 19458 DIN EN ISO 17892-4 DIN 18123 DIN EN 12316-1 + 3 more
View Profile

europascal

Active
DAkkS D-K-15055-01-01 Hanau, DE
Railway braking — urban guided transport Railway vehicles — specific test require - Gleichspannung - Gleichstromstärke - Gleichstromwiderstand + 3 more
View Profile

gbd TEC

Active
DAkkS D-PL-23168-01-00 Kissing, DE
ASTM E283/E283M-19 ASTM E 330/E330M-14 ASTM E 331-00(2023) UNE-EN 12153 UNE-EN 12155 + 3 more
View Profile

halstrup-walcher

Active
DAkkS D-K-21048-01-00 Kirchzarten, DE
positiver Überdruck 1) In den CMC sind die erweiterten Messu Positiver Überdruck p e Positiver und negativer
View Profile

i2 FAST

Active
UKAS 10852 Hemel Hempstead, GB
ISO 21527-1 ISO 21527-2 DIN EN ISO 11290-2 DIN 53483-2 DIN EN ISO 6888-1 + 3 more
View Profile

iKM Service

Active
DAkkS D-K-21115-01-00 Zwickau, DE
Industrielle Messtechnik ≤ 860 mm GmbH, Oberkochen, D Steuerungssoftware Messvolumen mit
View Profile

iLF Magdeburg

Active
DAkkS D-PL-18869-01-01 Magdeburg, DE
ISO 3795 DIN 75200 DIN EN ISO 1463 DIN EN ISO 2812-1 DIN EN ISO 2813 + 3 more
View Profile

iRhythm Technologies

Active
UKAS 30733 Bagshot, GB
Cardiac Science | Reporting
View Profile

ifm prover gmbh Sensorik für die Prozeß- und Verfahrenstechnik

Active
DAkkS D-K-17060-01-00 Tettnang, DE
Railway pantographs — requirements for m > 35 bar bis Taupunkttemperatur Positiver Überdruck p e (ein- oder mehrgängige + 3 more
View Profile

ifn Forschungs- und Technologiezentrum GmbH Prüf- und Umweltlaboratorium

Active
DAkkS D-PL-18800-01-03 Elsteraue OT Tröglitz, DE
rs738409 DIN EN ISO 20846 DIN EN ISO 2719 DIN EN ISO 6245 DIN EN 12879 + 3 more
View Profile

ifp-labs UK West Yorkshire

Active
UKAS 1916 Hebden Bridge, GB
DIN ISO 11665-4 ISO 11290-1 ISO 11290-2 ISO 21528-2 ISO 22964 + 3 more
View Profile

ift Rosenheim

Active
DAkkS D-PL-11349-01-01 Rosenheim, DE
Vickers hardness test (ISO 6507) Railway brake — anti-slide device (UIC 5 Railway brake — magnetic track brakes (U Railway brakes — conditions for homologa Railway brakes — disc brake pads (UIC 54 + 3 more
View Profile

iki Institut für Krankenhaushygiene und Infektionskontrolle

Active
DAkkS D-PL-21129-01-03 Gießen, DE
10/1500 DIN EN ISO 19458 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN EN ISO 5667-3 (A 21) + 3 more
View Profile

imat-uve

Active
DAkkS D-PL-14052-01-01 Mönchengladbach, DE
Bauart wie GR 1482 17 I/D rs1799752 AK gegen BP 180 rs2066845 OMIM# 188400, 192430 + 3 more
View Profile

imetrologie GmbH Institut für Metrologie und Prozesstechnologie

Active
DAkkS D-K-15219-01-02 Helmstadt, DE
Vibration measuring instruments — test m Acoustics — tonality assessment (DIN 456 Whole-body vibration — evaluation of hum Railway braking — urban guided transport Railway vehicle body structural requirem + 3 more
View Profile

innomatec Mess- und Schnellanschluss-Systeme

Active
DAkkS D-K-19194-01-00 Idstein, DE
Railway brakes — disc brake pads (UIC 54 Railway pantographs — requirements for m abs > 2,0 bar Druck −1,0 bar + 3 more
View Profile

innomatec Mess- und Schnellanschluss-Systeme

Active
DAkkS D-K-19194-01-01 Idstein, DE
abs > 2,0 bar Druck −1,0 bar > 0,0 bar > 20 bar + 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