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 501–525 of 1,560 labs

Fraunhofer-Institut für Solare Energiesysteme ISE CalLab PV Modules

Active
DAkkS D-K-11140-02-00 Freiburg, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Kurzschlussstrom Solarmodule 16 mA Gleichstrom- und Nieder- 10 mV + 3 more
View Profile

Freiburg Medical Laboratory Middle East (L.L.C)

Active
DAkkS D-ML-13455-01-00 Dubai, AE
HbF HbA1c HbA2 HBB/HBD Anti-HBs + 3 more
View Profile

Fugro GB

Active
UKAS 0919 Wallingford, GB
BS 1377: Part 2: 1990 BS 1377-3:2018 + A1:2021 ASTM D4186-12: 2020 ASTM D5334-22 ASTM D2216-19 + 3 more
View Profile

Full Circle Compliance

Active
UKAS 10287 Chelmsford, GB
(HSG 264, 2012)
View Profile

Furness Controls

Active
UKAS 0580 Bexhill, GB
FLOW Gas pressure (absolute) Gas pressure (gauge) DC CURRENT TEMPERATURE + 3 more
View Profile

G + B Kalibriertechnik

Active
DAkkS D-K-15109-01-01 Titisee-Neustadt, DE
Druck * Absolutdruck Pabs 1 bar; 3 bar Negativer und positiver Überdruck + 3 more
View Profile

G&L Consultancy

Active
UKAS 2083 Wellington, GB
(HSG 248) – 2021 M4 based on HSG 248 (PCM) based on HSG 248 M3 based on HSG 248 (HSG 264, 2012) + 1 more
View Profile

G&M Procter

Active
UKAS 2727 Perth, GB
based on ISO 11133:2014+Amd dependent) based on BS EN based on BS EN 12322:1999
View Profile

G.B.N.S. Partnership

Active
UKAS 4037 Welwyn Garden City, GB
(HSG 248) – 2021 (PCM) based on HSG 248 PRO02 based on HSG 248
View Profile

GBA Gesellschaft für Bioanalytik

Active
DAkkS D-PL-14170-01-03 Hamburg, DE
DIN EN 12579 DIN 19698-1 DIN 19698-2 DIN 51750-2 DIN ISO 11277 + 3 more
View Profile

GEOLAB TESTING LABORATORY

Active
ENAC LE2121 Llinars del Valles, ES
ISO 9994 ISO 22702 ASTM F400 ASTM F2201
View Profile

GHMT

Active
DAkkS D-PL-17559-01-00 Bexbach, DE
DIN EN 50173-1 DIN EN 50173-2 DIN EN 50173-3 DIN EN 50173-4 DIN EN 50173-5 + 3 more
View Profile

GINGER CEBTP

Active
COFRAC 1-0002 Elancourt, FR
DIN EN 1097-1 DIN EN ISO 10140-2 DIN EN 933-3 DIN EN 1097-2 DIN EN ISO 10140-4 + 3 more
View Profile

GINGER LECES

Active
COFRAC 1-7433 Saint-Julien-Les-Metz, FR
DIN EN 14385 ETSI EN 301 489-1 V2.2.3 2019-11 NF X43-551 IS EN 1948-1:2006 2006 DIN EN 14789 + 3 more
View Profile

GKS Klima-Service

Active
DAkkS D-PL-17563-01-00 Stuhr, DE
DIN EN 12469 BS 5726-1 DIN 1946-4 DIN EN 12599 DIN 12980 + 1 more
View Profile

GLI Gaming Laboratory

Active
RvA C480 Ljubljana, NL
IEC 17025
View Profile

GMA - Gesellschaft für Mineralöl-Analytik und Qualitätsmanagement mbH +

Active
DAkkS D-PL-11085-01-00 Frankfurt am Main, DE
DIN 51757 DIN EN ISO 12185 DIN EN ISO 3405 DIN EN 13016-1 DIN EN 237 + 3 more
View Profile

GMA-Werkstoffprüfung

Active
DAkkS D-K-11243-01-00 Stade, DE
Koordinatenmesstechnik Lasertracker* 0,5 m 1) In den CMC sind die erweiterten Messu Bügelmessschrauben* 0 mm + 3 more
View Profile

GMC-I Service

Active
DAkkS D-K-20313-01-01 Nürnberg, DE
- Gleichspannung Messgeräte > 0,22 V > 2,2 V > 11 V > 22 V + 3 more
View Profile

GMP - Geotechnik GmbH & Co. KG, beratende Ingenieure und Geologen

Active
DAkkS D-PL-14479-01-00 Würzburg, DE
DIN EN ISO 5667-1 (A 4) DIN 38402-A 11 DIN 38402-A 12 DIN 38402-A 13 DIN EN ISO 5667-6 (A 15) + 3 more
View Profile

GOMETRICS

Active
ENAC LC10.194 Palau-solità i Plegamans, ES
EURAMET cg-18 CEM cg-19 UNE-EN ISO 14644-3 UNE-EN ISO 14644-1
View Profile

GPR Gesundheits- und Pflegezentrum Rüsselsheim gemeinnützige GmbH Institut für Laboratoriumsmedizin

Active
DAkkS D-ML-13406-01-00 Rüsselsheim, DE
Erythrozytenzahl Hämatokrit Leucozytendifferenzierung Leucozytenzahl MCV + 3 more
View Profile

GPR Medizinisches Versorgungszentrum Rüsselsheim gemeinnützige

Active
DAkkS D-ML-18202-01-00 Rüsselsheim, DE
Erythrozytenzahl Hämatokrit Leucozytendifferenzierung Leucozytenzahl MCV + 3 more
View Profile

GPÜ Gesellschaft für Prüfmittelüberwachung

Active
DAkkS D-K-18186-01-00 Bitterfeld-Wolfen, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) Innen- und Tiefenmaße Wägewert/ + 3 more
View Profile

GRAND EST ANALYSES

Active
COFRAC 1-6977 Wintzenheim, FR
NF X 43-269 – Annexe K NF X 43-050 NF X43-050 (parties utiles de la
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