🇨🇿 Český hydrometeorologický ústav PL

ČIA 2287 • Praha 4, Czech Republic • 8 calibration items

Metrology & calibration

Český hydrometeorologický ústav is a calibration laboratory accredited by ČIA under number 2287 (Praha 4, Czech Republic). Its accreditation scope covers 8 calibration items in the following areas: Metrology & calibration. Calibrated items include: Digital pressure gauges, Electronic and digital hygrometers, Electronic anemometers and transducers, Electronic thermometers. Most frequently used calibration principles: Comparison with a standard resistance thermometer in a liquid bath…, Direct comparison with a standard hygrometer, Measurement on a pressure calibrator.

At a glance

Accreditation number: ČIA 2287
Calibration items in scope: 8
Types of calibrated items: 8
Calibration principles used: 5
City: Praha 4, Czech Republic
Valid until: 23-01-2028

Accreditation number: 2287
Accreditation body: ČIA
Address: Generála Šišky 942, 143 00 Praha 4 - Kamýk
City: Praha 4, Czech Republic
Division: Meteorologiczne laboratorium wzorcujące
Valid until: 23-01-2028

What this laboratory calibrates (8)

Digital pressure gauges — 1 calibration item
Electronic and digital hygrometers — 1 calibration item
Electronic anemometers and transducers — 1 calibration item
Electronic thermometers — 1 calibration item
Glass thermometers — 1 calibration item
Humidity transducers — 1 calibration item
Pressure transducers — 1 calibration item
Resistance temperature sensors — 1 calibration item

Calibration principles (5)

Comparison with a standard resistance thermometer in a liquid bath or climatic chamber — 2 calibration items
Direct comparison with a standard hygrometer — 2 calibration items
Measurement on a pressure calibrator — 2 calibration items
Comparison with a standard anemometer in the open test section of a wind tunnel — 1 calibration item
Comparison with a standard resistance thermometer in a liquid bath — 1 calibration item

Certificate information

Certificate date: 23.01.2023

Accreditation scope — calibration items (8)

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	Electronic anemometers and transducers	Calibration – air flow velocity 0,5 m·s⁻¹ to 4 m·s⁻¹ · CMC 0,13 m·s⁻¹ 4 m·s⁻¹ to 6 m·s⁻¹ · CMC 0,17 m·s⁻¹ 6 m·s⁻¹ to 10 m·s⁻¹ · CMC 0,22 m·s⁻¹ 10 m·s⁻¹ to 15 m·s⁻¹ · CMC 0,28 m·s⁻¹ 15 m·s⁻¹ to 30 m·s⁻¹ · CMC 0,30 m·s⁻¹ 30 m·s⁻¹ to 40 m·s⁻¹ · CMC 0,36 m·s⁻¹ 40 m·s⁻¹ to 50 m·s⁻¹ · CMC 0,38 m·s⁻¹ CMC for the field of measured quantity: Air flow velocity	Comparison with a standard anemometer in the open test section of a wind tunnel	MKL – 02/17, MKL – 02/18
2	Pressure transducers	Calibration – pressure Absolute pressure, air — 500 hPa to 1100 hPa · CMC 0,002 % + 0,047 hPa CMC for the field of measured quantity: Pressure	Measurement on a pressure calibrator	IP-MKL 2022/03
3	Digital pressure gauges	Calibration – pressure Absolute pressure, air — 500 hPa to 1100 hPa · CMC 0,047 hPa CMC for the field of measured quantity: Pressure	Measurement on a pressure calibrator	IP-MKL 2022/03
4	Resistance temperature sensors	Calibration – temperature -40 °C to -30 °C · CMC 0,06 °C -30 °C to 90 °C · CMC 0,04 °C CMC for the field of measured quantity: Temperature	Comparison with a standard resistance thermometer in a liquid bath or climatic chamber	MKL – 02/1
5	Glass thermometers	Calibration – temperature -40 °C to -30 °C · CMC 0,06 °C -30 °C to 0 °C · CMC 0,05 °C 0 °C to 30 °C · CMC 0,04 °C 30 °C to 90 °C · CMC 0,05 °C CMC for the field of measured quantity: Temperature	Comparison with a standard resistance thermometer in a liquid bath	MKL – 02/2
6	Electronic thermometers	Calibration – temperature -40 °C to 0 °C · CMC 0,06 °C 0 °C to 90 °C · CMC 0,04 °C CMC for the field of measured quantity: Temperature	Comparison with a standard resistance thermometer in a liquid bath or climatic chamber	MKL – 02/3
7	Humidity transducers	Calibration – physico-chemical quantities – humidity 23 °C ± 5 °C — 10 % RH to 30 % RH · CMC 0,002 % + 1,3 % RH 23 °C ± 5 °C — 30 % RH to 80 % RH · CMC 0,002 % + 1,6 % RH 23 °C ± 5 °C — 80 % RH to 95 % RH · CMC 0,002 % + 2,3 % RH CMC for the field of measured quantity: Physico-chemical quantities – humidity	Direct comparison with a standard hygrometer	MKL – 02/12
8	Electronic and digital hygrometers	Calibration – physico-chemical quantities – humidity 23 °C ± 5 °C — 10 % RH to 30 % RH · CMC 1,3 % RH 23 °C ± 5 °C — 30 % RH to 80 % RH · CMC 1,6 % RH 23 °C ± 5 °C — 80 % RH to 95 % RH · CMC 2,3 % RH CMC for the field of measured quantity: Physico-chemical quantities – humidity	Direct comparison with a standard hygrometer	MKL – 02/13

Reference standards (8)

IP-MKL 2022/03

MKL – 02/1

MKL – 02/12

MKL – 02/13

MKL – 02/17

MKL – 02/18

MKL – 02/2

MKL – 02/3

The same scope as data (JSON): https://labcoda.pl/api/accreditation-scopes/labs/CZ/2287