🇨🇿 Výzkumný ústav vodohospodářský T. G. Masaryka, veřejná výzkumná instituce PL

ČIA 2278 • Praha 6, Czech Republic • 2 calibration items

Metrology & calibration

Výzkumný ústav vodohospodářský T. G. Masaryka, veřejná výzkumná instituce is a calibration laboratory accredited by ČIA under number 2278 (Praha 6, Czech Republic). Its accreditation scope covers 2 calibration items in the following areas: Metrology & calibration. Calibrated items include: Water flow velocity / Electromagnetic and acoustic water flow veloc…, Water flow velocity / Propeller-type current-meters without its con…. Most frequently used calibration principles: Towing the current-meter through still water at a number of steady…, Towing the meter through still water at a number of steady speeds.

At a glance

Accreditation number: ČIA 2278
Calibration items in scope: 2
Types of calibrated items: 2
Calibration principles used: 2
City: Praha 6, Czech Republic
Valid until: 08-07-2030

Accreditation number: 2278
Accreditation body: ČIA
Address: Podbabská 2582/30, 160 00 Praha 6
City: Praha 6, Czech Republic
Division: Czeska Stacja Wzorcowania Młynków Hydrometrycznych
Valid until: 08-07-2030

What this laboratory calibrates (2)

Water flow velocity / Electromagnetic and acoustic water flow velocity meters and propeller-type current meters with their control unit — 1 calibration item
Water flow velocity / Propeller-type current-meters without its control unit — 1 calibration item

Calibration principles (2)

Towing the current-meter through still water at a number of steady speeds — 1 calibration item
Towing the meter through still water at a number of steady speeds — 1 calibration item

Certificate information

Certificate date: 08.07.2025

Accreditation scope — calibration items (2)

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	Water flow velocity / Propeller-type current-meters without its control unit	Calibration – mechanical motion k = 0,05 m — 0,02 m·s⁻¹ to 1,5 m·s⁻¹ · CMC 0,0079 m·s⁻¹ k = 0,1 m — 0,02 m·s⁻¹ to 2,5 m·s⁻¹ · CMC 0,0084 m·s⁻¹ k = 0,125 m — 0,06 m·s⁻¹ to 3,5 m·s⁻¹ · CMC 0,011 m·s⁻¹ k = 0,25 m — 0,06 m·s⁻¹ to 5 m·s⁻¹ · CMC 0,017 m·s⁻¹ k = 0,5 m — 0,06 m·s⁻¹ to 6 m·s⁻¹ · CMC 0,025 m·s⁻¹ k = 1 m — 0,06 m·s⁻¹ to 7 m·s⁻¹ · CMC 0,034 m·s⁻¹ CMC for the field of measured quantity: Mechanical motion	Towing the current-meter through still water at a number of steady speeds	ČSN ISO 3455
2	Water flow velocity / Electromagnetic and acoustic water flow velocity meters and propeller-type current meters with their control unit	Calibration – mechanical motion 0,02 m·s⁻¹ to 7 m·s⁻¹ · CMC 0,024 m·s⁻¹ CMC for the field of measured quantity: Mechanical motion	Towing the meter through still water at a number of steady speeds	Q/214/I02 (ČSN ISO 3455)

Reference standards (2)

Q/214/I02

ČSN ISO 3455

The same scope as data (JSON): https://labcoda.pl/api/accreditation-scopes/labs/CZ/2278