Scope
UIC 544-2
Railway Braking Force Estimation Methods
UIC 544-2 provides standardized calculation and estimation methods for determining braking force in railway rolling stock across different brake system types and operational scenarios. This technical standard defines mathematical models for translating brake system pressure, line force, and mechanical leverage into actual stopping power, accounting for variables such as wheel slip, temperature effects, and load conditions. The standard enables consistent performance prediction and certification across diverse European rail systems. Accreditation for this calculation methodology ensures reproducible, safety-critical engineering assessments used in rail fleet design and operational planning.
What it measures
- Brake force calculation from system pressure and geometry
- Adhesion coefficient effects on available braking force
- Load-dependent braking force variations
- Dynamic brake force response characteristics
- Braking force distribution optimization
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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
Countries
Showing 976–1,000 of 1,323 labs
Aceton, Isopropanol, Methanol
Ethanol
(Morphin, 6-Monoacetyl-morphin, Codein u
Quantitative Bestätigungsanalyse
Barbiturate (qualitative
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SYNLAB Medizinisches Versorgungszentrum Weiden GmbH Medizinisches Versorgungszentrum Nürnberg
Active
HbA1c
Mittlere Blutglucose
Aktivitätskonzentration
Blutsenkung
% Hyperchrome Erythrozyten
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SYNLAB Medizinisches Versorgungszentrum Weiden GmbH Medizinisches Versorgungszentrum Thüringen
Active
5-Fluorouracil Unverträglichkeit:
DPD Mutationen Exon 14 c.1905+1
G>A rs3918290, Exon 11 c.1236G>A
rs56038477, Exon 13 c.1679T>G
rs55886062, Exon 22 c.2846A>T
+ 3 more
Safety Advice Centre
Active
M002based on HSG 248
(HSG 248) – 2021
(PCM) based on HSG 248
Saliger Gruppe
Active
Parallelendmaße 0,5 mm
DIN EN ISO 3650:1999
Parallelendmaße aus
Wolframkarbid nach
Parallelendmaße aus 0,5 mm
+ 3 more
Schwarzbeck Mess-Elektronik
Active
Antennenfaktor /
aktive Stabantennen
aktive Breitbandantennen
Magnetische
magnetische H-Feldsonden
+ 3 more
Schütz + Licht Prüftechnik
Active
Kraft (WPM)
Werkstoffprüfmaschinen
Acoustics — tonality assessment (DIN 456
Länge (WPM)
messeinrichtungen von
+ 3 more
Scientific Services
Active
(HSG 248) – 2021
D3TA2 based on HSG 248
(PCM) based on HSG 248
D3TA8 based on HSG 248
Scopus Asbestos Compliance
Active
(HSG 248) – 2021
SAC-SOP-15 based on HSG 248
SAC-SOP-07 based on HSG 248
staining based on HSG 248
ETSI EN 319 412
ETSI EN 319 401
ETSI EN 319 411-2
ETSI EN 319 411-1
SembCorp Utilities (UK)
Active
(HSG 248) – 2021
DI/AN/ME/025 based on HSG 248
DI/AN/ME/001 based on HSG 248
DI/AN/ME/026 based on HSG 248
(PCM) based on HSG 248
Senseca Germany
Active
Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Temperaturmessgrößen
- Direktanzeigende Thermometer
direktanzeigende > 200 °C
+ 3 more
Sensors Europe
Active
− Abgasmessgeräte für Kompressionszündun
Railway brake — magnetic track brakes (U
Railway brakes — electropneumatic brakes
Abgasmessgeräte für
zündungsmotoren 5000 cm
+ 1 more
ServiceCal
Active
PRESSURE (cont’d)
DC CURRENT
DC VOLTAGE
CFH-Gen, Macula-Degeneration
Measurement
+ 3 more
LENGTH
Plain plug gauges (parallel)
Internal
Caliper
LENGTH (cont’d)
+ 3 more
DIN EN ISO 12185
ASTM D 4052
DIN EN ISO 3405
DIN EN 13016-1
DIN EN 13016-2
+ 3 more
Shirley Technologies
Active
ASTM E 2149-20
BS EN ISO 20743:2021 Section
ISO 14119
BS EN ISO 20645:2004
BS 1425-1:1991 Appendix A
+ 3 more
ISO 37
ISO 8513
DIN EN 1393
ISO 21527-2
DIN EN ISO 527-4
+ 3 more
Thermodynamische Messgrößen
Temperaturmessgrößen
- Direktanzeigende Thermometer
Railway brake handbooks (UIC 547)
- Thermopaare, Thermoelemente
+ 3 more
DIN EN 15625
IEC 61133
DIN 27202-10
DIN EN 15746-1
DIN EN 60068-2-64
+ 2 more
Sigma-HSE (UK)
Active
DIN EN 13821
Sigma-HSE (UK) Ltd
DIN EN 14034-1
BS EN ISO/IEC 80079-20-2:2016
DIN EN 14034-2
+ 3 more
Sound power — engineering method using a
Kalibrierung von
250 N
Kraftmessgeräten
Kraftaufnehmer und 0,25 kN
+ 3 more
Somerset Council
Active
(HSG 248) – 2021
R24 based on HSG 248
staining based on HSG 248
based on BS EN ISO 6579-1:
ISO 21528-2
ISO 21149:2017+Amd1:2022
DIN EN ISO 18415
method based on BS ISO 16649-2:
+ 3 more
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