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
Accredited labs
15
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Showing 76–100 of 298 labs
Electrolytes in blood serum:
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(Chlamydia pneumoniae, Mycoplasma
urine:
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Cavendish Laboratories
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(cdt), Deletion an Pos 117
(HSG 248) – 2021
(PCM) based on HSG 248
BS 6068-4.12:1998 (withdrawn)
Chamois Metrology
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Calibration of pressure
Gas pressure (gauge)
Gas Pressure (Differential)
common mode pressure of 3.5
Hydraulic pressure (gauge)
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SRV-002 based on HSG 248
(PCM) based on HSG 248
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Chronic progressive external
Depth
Internal
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Caliper
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simulation.
parameters and ranges)
digital and analogue
Compli Group
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DC CURRENT
DC Resistance
Oscilloscope Calibration
DC VOLTAGE
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DIN EN 933-11
DIN EN 12390-3
DIN EN 933-3
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DIN EN 12697-5
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DC CURRENT
LENGTH
DC Resistance
DC VOLTAGE
Cold junction compensation
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DIN EN 933-1
(PCM) based on HSG 248
(HSG 248) – 2021
DIN EN 932-1
DIN EN 932-2
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Gas pressure (absolute)
Gas pressure (gauge)
Hydraulic pressure (gauge)
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PRESSURE (cont’d)
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DNKA
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staining based on HSG 248.
(PCM) based on HSG 248
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QSOP 03 based on HSG 248
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Decus Research
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1) MS08P based on BS EN ISO
MS02P based on BS EN ISO
MS03P based on BS EN ISO
MS06P based on BS EN ISO
MF07P based on BS EN ISO
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Devonport Royal Dockyard
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Specific Values 1
RF Power
RF Attenuation 10 MHz to 1 GHz
Other values -20 dBm to +20 dBm
Devonport Royal Dockyard
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BS 4206:1967 (superseded)
ISO 5173
ISO 7438
BS EN ISO 9606-2:2004
BS 131-5:1965
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and Appx. 3 of HSG 227 (2004))
in Appendix 5 of HSG 227 (2004)
guides HSG 264 (2012) and
(HSG 264, 2012)
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