🇨🇿 Komerční železniční výzkum, spol. s r.o. PL

ČIA 2422 • Praha 6, Czech Republic • 5 calibration items

Metrology & calibration

Komerční železniční výzkum, spol. s r.o. is a calibration laboratory accredited by ČIA under number 2422 (Praha 6, Czech Republic). Its accreditation scope covers 5 calibration items in the following areas: Metrology & calibration. Calibrated items include: Device for track parameters measuring, Wheel diameter gauge. Most frequently used calibration principles: Measurement with a caliper, Measurement using circular templates, Measurement with a specific reference device.

At a glance

Accreditation number: ČIA 2422
Calibration items in scope: 5
Types of calibrated items: 2
Calibration principles used: 4
City: Praha 6, Czech Republic
Valid until: 05-06-2031

Accreditation number: 2422
Accreditation body: ČIA
Address: U Kapličky 1199, 165 00 Praha 6 - Suchdol
City: Praha 6, Czech Republic
Division: Stanowisko wzorcowania
Valid until: 05-06-2031

What this laboratory calibrates (2)

Device for track parameters measuring — 4 calibration items
Wheel diameter gauge — 1 calibration item

Calibration principles (4)

Measurement with a caliper — 2 calibration items
Measurement using circular templates — 1 calibration item
Measurement with a specific reference device — 1 calibration item
Measurement with gauge blocks — 1 calibration item

Certificate information

Certificate date: 05.06.2026

Accreditation scope — calibration items (5)

CMC — lowest stated expanded measurement uncertainty (ILAC-P14, EA-4/02 M); if not stated otherwise, coverage probability approx. 95 % and values without a unit are relative to the measured value. The uncertainty of a specific calibration may be higher.

No.	Calibrated quantity / subject of calibration	Nominal range / parameters / CMC	Calibration principle	Calibration procedure
Calibration items
1	Device for track parameters measuring	Calibration – length Alignment deviation; Gauge (760 to 1676) mm — -25 mm to +25 mm · CMC 0,15 mm Top deviation; Gauge (760 to 1676) mm — -25 mm to +25 mm · CMC 0,15 mm Twist deviation; Gauge (760 to 1676) mm — -25 mm to +25 mm · CMC 0,25 mm Gauge deviation; Gauge (760 to 1676) mm — -25 mm to +40 mm · CMC 0,20 mm Cant deviation; Gauge (760 to 1676) mm — -180 mm to +180 mm · CMC 0,25 mm CMC for the field of measured quantity: Length	Measurement with a specific reference device	KŽV/2.2023, část A
2	Device for track parameters measuring	Calibration – length Odometer wheel diameter; Gauge (760 to 1676) mm — 70 mm to 180 mm · CMC 0,05 mm CMC for the field of measured quantity: Length	Measurement with a caliper	KŽV/2.2023, část A
3	Device for track parameters measuring	Calibration – length Alignment deviation; Gauge (760 to 1676) mm — 0 mm to +20 mm · CMC 0,15 mm Top deviation; Gauge (760 to 1676) mm — 0 mm to +10 mm · CMC 0,15 mm Twist deviation; Gauge (760 to 1676) mm — 0 mm to +20 mm · CMC 0,25 mm Gauge deviation; Gauge (760 to 1676) mm — -20 mm to +10 mm · CMC 0,20 mm Cant deviation; Gauge (760 to 1676) mm — 0 mm to +150 mm · CMC 0,25 mm CMC for the field of measured quantity: Length	Measurement with gauge blocks	KŽV/2.2023, část B
4	Device for track parameters measuring	Calibration – length Odometer wheel diameter; Gauge (760 to 1676) mm — 70 mm to 180 mm · CMC 0,05 mm CMC for the field of measured quantity: Length	Measurement with a caliper	KŽV/2.2023, část B
5	Wheel diameter gauge	Calibration – length 620 mm to 900 mm · CMC (2,4·10⁻⁴·D - 0,076) mm 900 mm to 1300 mm · CMC (5,0·10⁻⁴·D - 0,31) mm CMC for the field of measured quantity: Length	Measurement using circular templates	KŽV/1.2026

Reference standards (3)

KŽV/1.2026

KŽV/2.2023, část A

KŽV/2.2023, část B

The same scope as data (JSON): https://labcoda.pl/api/accreditation-scopes/labs/CZ/2422