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
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DIN EN 14531-1
🇬🇧
BS EN 14531-1
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NF EN 14531-1
🇮🇹
UNI EN 14531-1
🇪🇸
UNE EN 14531-1
🇳🇱
NEN EN 14531-1
1,560
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cartridges, based on HTM 2030
9.201 to 9.212 and BS EN ISO
35 °C/3 days based on HTM 2030
section 9.201 to 9.212, BS EN
ISO 15883-1:2009 6.4.2.3 and
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4-RAIL Services
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(HSG 248) – 2021
E203 based on HSG 248
(PCM) based on HSG 248
E200 based on HSG 248
E201 based ISO 14966:2019 using
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ABLE Calibration Services
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TEMPERATURE
PRESSURE
AC VOLTAGE (continued)
DC VOLTAGE
Generation only
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ABP Associates
Active
(HSG 248) – 2021
staining based on HSG 248
QP23 based on HSG 248
(PCM) based on HSG 248
(HSG 264, 2012)
HSG 227 (2004)
(HSG 248) – 2021
(PCM) based on HSG 248
ALS Laboratories (UK)
Active
on BS 4401:Part 3:1970(1986)
ISO 12966-2
AM/C/108 based on BS EN ISO
BS 684 2.14:2001
BS EN 288-Part 9 :1999
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APEC Environmental
Active
QOP03 based on HSG 248
QOP01 based on HSG 248
(HSG 248) – 2021
(PCM) based on HSG 248
AS International Corporation
Active
ISO 5983-1:2005/Cor.1:2008, ISO20483:201
07L.1.07 based on ISO 6865:2001
ISO 712
07L.1.02 based on ISO 6496:1999,
ISO 12966-2
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AWE
Active
(HSG 248) – 2021
LQP007 based on HSG 248
LQP003 based on HSG 248
(PCM) based on HSG 248
the guidance of GPG 14
PERSONAL DOSE EQUIVALENT:
RESPONSE:
Absolute Calibration
Active
DC Resistance
CFH-Gen, Macula-Degeneration
DC RESISTANCE (continued)
DC VOLTAGE
DC VOLTAGE (continued)
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Acorn Analytical Services
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(HSG 248) – 2021
(PCM) based on HSG 248
staining based on HSG 248
(HSG 264, 2012)
Appendix 5 of HSG 227
ISO 11654
BS EN ISO 10140-2:2021
ISO 7171
ISO 354
BS EN ISO 10140-3:2021
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Sound Calibrators
Pistonphones
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level
Microphones
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DIN EN ISO 11127-6
DIN EN 13727
1) BS EN ISO 11930:2019+
2) QMIC WI 22, based on BS EN
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