Scope
UIC 544-1
Railway Rolling Stock Braking Performance
UIC 544-1 establishes the braking performance requirements and test procedures for railway rolling stock, including trains, trams, and metro vehicles. It defines minimum deceleration rates, braking distance standards, and the interaction between service and emergency braking systems under various load conditions and rail adhesion scenarios. This standard is essential for ensuring passenger safety and operational reliability across European rail networks by verifying that vehicles meet consistent, continent-wide braking performance benchmarks. Accreditation ensures independent verification of manufacturers' compliance and operational readiness of rail fleets.
What it measures
- Service brake deceleration and stopping distance
- Emergency brake performance and reaction time
- Braking distance on different rail adhesion conditions
- Brake force distribution across axles
- Thermal stability during repeated braking cycles
🇩🇪
DIN EN 14531-1
🇬🇧
BS EN 14531-1
🇫🇷
NF EN 14531-1
🇮🇹
UNI EN 14531-1
🇪🇸
UNE EN 14531-1
🇳🇱
NEN EN 14531-1
1,323
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15
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Showing 876–900 of 1,323 labs
Differentialblutbild
Erythrozyten
Hämatokrit
Leukozyten
Retikulozyten
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Helix (lead) total deviation (F
GEARS SPUR/HELICAL EXTERNAL (cont’d)
As for Involute Spline Gauges
HbA1c
Automatisches Blutbild
Leukozyten
Normoblasten
Retikulozyten
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Calcium
Bilirubin gesamt
Creatinkinase-Muscle-Brain
TPZ nach Quick
Immunglobulin A
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ProfEC Ventus
Active
IEC 61400-12 Ed.1 *
IEC 61400-12-1 Ed.3 *
IEC 61400-12-3 Ed.1 *
IEC 61400-12-4 Ed.1 *
IEC 61400-12-5 Ed.1 *
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ISO 6579-1
ISO 15213-2
ISO 11290-1
ISO 7932
F100 based on BS EN ISO
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Pullman Instruments (UK)
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DC CURRENT
Measurement
DC VOLTAGE
AC Current Generation
DC RESISTANCE (cont’d)
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QS-Grimm
Active
Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
Zylindrische Normale 1 mm
Innenzylinder *
> 100 mm
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QUALILAB
Active
EN 12966: 2014 Section 4.5.4
DIN EN 55025: 2018
DIN EN 60068-2-30
(CISPR 25:2002) Section 6
ISO 11452-4: 2020
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ISO 13320
VDE 414-9-11
NF V08-250
ISO 19343
DIN EN ISO 7899-1
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Qopas
Active
Koordinatenmessgeräte geräte mit einem
Chorus, Help-PJM von
DEA Hexagon Metrology
S.p.A., Turin, I
Associates EMS Products, ≤ 1500 mm
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Quality Consultants (NI)
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(HSG 248) – 2021
(PCM) based on HSG 248
QSOP 03 based on HSG 248
Questmed
Active
ISO 22679
ISO 7207-1
ISO 14243-1
ISO 14243-2
ISO 14243-3
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View Profile
Verified
R-TECH Services
Active
ÖNORM EN ISO 17637
BS EN ISO 15614-1:2017
ASTM A 370
DIN EN 10080
BS EN ISO 9015-1:2011
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(2,2 ± 0,1) ⋅ 10-2 mol/mol (99,5 ± 0,5)
(15 ± 5) ⋅ 10-6 mol/mol (100 ± 5) ⋅ 10-6
(7,5 ± 0,2) ⋅ 10-2 mol/mol (15 ± 0,5) ⋅
5 mV ≤ U ≤ 10 V 10 V < U ≤ 1000 V
45 Hz ≤ f ≤ 60 Hz 10 mV ≤ U ≤ 10 V 10 V
100 µA ≤ I ≤ 400 mA 400 mA < I ≤ 10 A 10
300 mA ≤ I ≤ 15 A
45 Hz ≤ f ≤ 60 Hz 100 µA ≤ I ≤ 400 mA 40
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DIN EN ISO 6508-1
ASTM E1019-24
ISO 13320
ISO 6892-2
(BS EN ISO 6892-1: 2019)
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RIO
Active
Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
> 100 mm
> 500 mm
> 550 mm
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RMA Mess- und Regeltechnik
Active
Durchfluss von Gasen
Volumendurchfluss 50 m³/h
Railway brakes — brake performance (UIC
(Hochdruck Erdgas
5 bis 51 bar)
+ 1 more
ROTA YOKOGAWA
Active
Masse m strömender
− Durchfluss von Flüssigkeiten
Durchfluss von
1) In den CMC sind die erweiterten Messu
Massedurchfluss dm / dt
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Radiomotive
Active
ETSI EN 301 489-6
DIN EN 61326-2-6
IEC 61326-3-1
IEC 61326-3-2
IEC 60669-2-5
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