🇨🇿 JD Dvořák, s.r.o. PL
Metrology & calibration
JD Dvořák, s.r.o. is a calibration laboratory accredited by ČIA under number 2298 (Praha 18 – Letňany, Czech Republic). Its accreditation scope covers 6 calibration items in the following areas: Metrology & calibration. Calibrated items include: Hygrometers integrated in measuring chains of climatic chambers and…, Thermometers integrated in measuring chains of thermal and climatic…, Direct indication electronic thermometers, thermometers for air tem…, Hygrometers, measuring chains for measuring relative humidity, data…. Most frequently used calibration principles: Comparison with a reference thermometer in a gaseous environment, Comparison with a standard aspiration hygrometer, Comparison with a standard aspiration hygrometer in a climatic chamber.
At a glance
- Accreditation number: ČIA 2298
- Calibration items in scope: 6
- Types of calibrated items: 4
- Calibration principles used: 4
- City: Praha 18 – Letňany, Czech Republic
- Valid until: 26-04-2029
- Accreditation number
- 2298
- Accreditation body
- ČIA
- Address
- Toužimská 897/E/3, 199 00 Praha 18 – Letňany
- City
- Praha 18 – Letňany, Czech Republic
- Division
- JD Dvořák, s.r.o., laboratorium wzorcujące
- Valid until
- 26-04-2029
What this laboratory calibrates (4)
- Hygrometers integrated in measuring chains of climatic chambers and enclosures and special-purpose enclosures, where humidity and temperature can be generated — 2 calibration items
- Thermometers integrated in measuring chains of thermal and climatic chambers and enclosures and special-purpose enclosures, where temperature can be generated — 2 calibration items
- Direct indication electronic thermometers, thermometers for air temperature measurement, temperature measuring chains, data loggers, outdoor thermometers — 1 calibration item
- Hygrometers, measuring chains for measuring relative humidity, data loggers for measuring relative humidity — 1 calibration item
Calibration principles (4)
- Comparison with a reference thermometer in a gaseous environment — 2 calibration items
- Comparison with a standard aspiration hygrometer — 2 calibration items
- Comparison with a standard aspiration hygrometer in a climatic chamber — 1 calibration item
- Comparison with a standard thermometer in a climatic chamber — 1 calibration item
Certificate information
- Certificate date
- 26.04.2024
Accreditation scope — calibration items (6)
| No. | Calibrated quantity / subject of calibration | Nominal range / parameters / CMC | Calibration principle | Calibration procedure | |
|---|---|---|---|---|---|
| Calibration items | |||||
| 1 | Thermometers integrated in measuring chains of thermal and climatic chambers and enclosures and special-purpose enclosures, where temperature can be generated | Calibration – temperature - 70 °C to - 45 °C · CMC 0,20 °C - 45 °C to 100 °C · CMC 0,17 °C 100 °C to 200 °C · CMC 0,21 °C 200 °C to 300 °C · CMC 0,9 °C 300 °C to 400 °C · CMC 1,1 °C CMC for the field of measured quantity: Temperature |
Comparison with a reference thermometer in a gaseous environment | Interní metoda 1 (DKD-R_5.7 metoda C) | |
| 2 | Thermometers integrated in measuring chains of thermal and climatic chambers and enclosures and special-purpose enclosures, where temperature can be generated | Calibration – temperature - 70 °C to - 45 °C · CMC 0,35 °C - 45 °C to 100 °C · CMC 0,27 °C 100 °C to 150 °C · CMC 0,37 °C 150 °C to 180 °C · CMC 0,75 °C CMC for the field of measured quantity: Temperature |
Comparison with a reference thermometer in a gaseous environment | Interní metoda 3 (DKD-R_5.7 metoda A a B) | |
| 3 | Direct indication electronic thermometers, thermometers for air temperature measurement, temperature measuring chains, data loggers, outdoor thermometers | Calibration – temperature - 70 °C to 0 °C · CMC 0,45 °C 0 °C to 100 °C · CMC 0,36 °C 100 °C to 150 °C · CMC 0,57 °C 150 °C to 180 °C · CMC 1,0 °C CMC for the field of measured quantity: Temperature |
Comparison with a standard thermometer in a climatic chamber | Interní metoda 5 | |
| 4 | Hygrometers integrated in measuring chains of climatic chambers and enclosures and special-purpose enclosures, where humidity and temperature can be generated | Calibration – relative humidity (10 to 20) °C — 10 % RH to 30 % RH · CMC 1,7 % RH (10 to 20) °C — 30 % RH to 95 % RH · CMC 2,3 % RH (20 to 90) °C — 10 % RH to 30 % RH · CMC 1,5 % RH (20 to 90) °C — 30 % RH to 95 % RH · CMC 1,9 % RH (90 to 95) °C — 10 % RH to 30 % RH · CMC 1,4 % RH (90 to 95) °C — 30 % RH to 95 % RH · CMC 1,6 % RH CMC for the field of measured quantity: Relative humidity |
Comparison with a standard aspiration hygrometer | Interní metoda 2 (DKD-R_5.7 metoda C) | |
| 5 | Hygrometers integrated in measuring chains of climatic chambers and enclosures and special-purpose enclosures, where humidity and temperature can be generated | Calibration – relative humidity (10 to 20) °C — 10 % RH to 30 % RH · CMC 1,8 % RH (10 to 20) °C — 30 % RH to 95 % RH · CMC 2,4 % RH (20 to 90) °C — 10 % RH to 30 % RH · CMC 1,6 % RH (20 to 90) °C — 30 % RH to 95 % RH · CMC 2,0 % RH (90 to 95) °C — 10 % RH to 30 % RH · CMC 1,5 % RH (90 to 95) °C — 30 % RH to 95 % RH · CMC 1,7 % RH CMC for the field of measured quantity: Relative humidity |
Comparison with a standard aspiration hygrometer | Interní metoda 4 (DKD-R_5.7 metoda A a B) | |
| 6 | Hygrometers, measuring chains for measuring relative humidity, data loggers for measuring relative humidity | Calibration – relative humidity (10 to 90) °C — 10 % RH to 60 % RH · CMC 2,3 % RH (10 to 90) °C — 60 % RH to 90 % RH · CMC 3,2 % RH (10 to 90) °C — 90 % RH to 95 % RH · CMC 3,5 % RH CMC for the field of measured quantity: Relative humidity |
Comparison with a standard aspiration hygrometer in a climatic chamber | Interní metoda 6 | |
Reference standards (7)
DKD-R_5.7
Interní metoda 1
Interní metoda 2
Interní metoda 3
Interní metoda 4
Interní metoda 5
Interní metoda 6