Results for: portugal flow
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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Portugal, IPQ (Instituto Portugues da Qualidade)
Fluid flow ,
Volume flowrate (or Mass flowrate); liquid
:
0.12 mL/h to 2000 mL/h
Flow meter and flow generator (e.g. coriolis meters, syringe pumps)
Relative expanded uncertainty
:
2.5 % to 0.11 %
Gravimetric
Liquid : water
Temperature : ambient
Pressure : up to 3 hPa
Approved on 11 September 2019
Institute service identifier : IPQ/104.01, 104.02, 104.03, 104.61
CMC ID :
EURAMET-M-PT-00000C9I-2
Fluid flow ,
Volume of liquid
:
1 mL to 1.00E4 mL
Glassware equipment; Pipettes, flasks, burettes, cylinders
Relative expanded uncertainty
:
1.0E-2 %
Gravimetric
Liquid : water
Reference temperature : 20 °C
Approved on 11 September 2019
Institute service identifier : IPQ/103.08, 103.07, 103.06, 103.09
CMC ID :
EURAMET-M-PT-00000C9U-2
DC current (up to 100 A) ,
DC current meters: low values
:
1.00E-8 A to 1.00E-4 A
Ammeter, multimeter
Relative expanded uncertainty
:
1.5E1 µA/A to 7.5E1 µA/A
Uncertainty table
{"row_1": {"col_1":"Current", "col_2":"Expanded uncertainty<br>/ (µA/A)"}, "row_2": {"col_1":"10 nA to 100 nA", "col_2":"75"}, "row_3": {"col_1":"100 nA to 1 µA", "col_2":"25"}, "row_4": {"col_1":"1 µA to 10 µA", "col_2":"20"}, "row_5": {"col_1":"10 µA to 100 µA", "col_2":"15"}}
Source characterised using voltage and standard resistor
Approved on 31 March 2022
Institute service identifier : IPQ/403.22
CMC ID :
EURAMET-EM-PT-00000MHH-1
Fluid flow ,
Liquid flow
:
3.00E-4 mL/h to 0.12 mL/h
Flow generators (e.g. syringe pumps)
Relative expanded uncertainty
:
2.7 % to 1.3 %
Interferometric method
Reference temperature : 20 ºC
Liquid : Water
Pressure : up to 3 hPa
Approved on 09 July 2022
Institute service identifier : 104.01, 104.02 and 104.03
CMC ID :
EURAMET-M-PT-00000NW9-1
DC resistance ,
DC resistance standards and sources: low values
:
1.00E-4 Ω to 1 Ω
Standard resistor
Relative expanded uncertainty
:
5 µΩ/Ω to 1.2 µΩ/Ω
Uncertainty table
{"row_1": {"col_1":"<strong>Resistance<\/strong>", "col_2":"<strong>Expanded uncertainty/(µΩ/Ω)<\/strong>"}, "row_2": {"col_1":"0.1 mΩ to 10 mΩ", "col_2":"5"}, "row_3": {"col_1":"0.1 Ω", "col_2":"2"}, "row_4": {"col_1":"1 Ω", "col_2":"1.2"}, "row_5": {"col_1":"10 kΩ", "col_2":"1.2"}, "row_6": {"col_1":"10 Ω to 100 kΩ", "col_2":"1.5"}, "row_7": {"col_1":"100 kΩ to 1 MΩ", "col_2":"2"}, "row_8": {"col_1":"1 MΩ to 10 MΩ", "col_2":"3"}, "row_9": {"col_1":"10 MΩ to 100 MΩ", "col_2":"7"}, "row_10": {"col_1":"100 MΩ", "col_2":"20"}}
Comparison using DCC bridge
Oil and air bath temperature : 18 °C to 25 °C
Approved on 04 March 2021
Institute service identifier : IPQ/402.11, IPQ/402.12
CMC ID :
EURAMET-EM-PT-0000069X-3
DC current (up to 100 A) ,
DC current sources: low values
:
1.00E-8 A to 1.00E-4 A
Current generator, calibrator
Relative expanded uncertainty
:
1.5E1 µA/A to 7.5E1 µA/A
Uncertainty table
{"row_1": {"col_1":"Current", "col_2":"Expanded uncertainty<br>/ (µA/A)"}, "row_2": {"col_1":"10 nA to 100 nA", "col_2":"75"}, "row_3": {"col_1":"100 nA to 1 µA", "col_2":"25"}, "row_4": {"col_1":"1 µA to 10 µA", "col_2":"20"}, "row_5": {"col_1":"10 µA to 100 µA", "col_2":"15"}}
Comparison
Approved on 31 March 2022
Institute service identifier : IPQ/403.11
CMC ID :
EURAMET-EM-PT-00000MHE-1
Fluid flow ,
Volume of liquid
:
0.1 µL to 2.00E4 µL
Micropipettes or piston pipettes
Relative expanded uncertainty
:
5 % to 0.1 %
Gravimetric
Liquid : water
Reference temperature : 20 °C
Approved on 03 December 2024
Institute service identifier : IPQ/103.02
CMC ID :
EURAMET-M-PT-00000C9F-5
Fluid flow ,
Volume
:
0.1 µL to 2.00E4 µL
Microchip
Absolute expanded uncertainty
:
5 % to 0.1 %
Gravimetric method
Approved on 09 December 2024
Institute service identifier : 103.01
CMC ID :
EURAMET-M-PT-00000PRF-1
Fluid flow ,
Volume of liquid
:
1.00E-3 mL to 200 mL
Piston operating apparatus (burettes, dispensers) and syringes
Relative expanded uncertainty
:
2.0E-2 % to 1.0E-2 %
Gravimetric
Liquid : water
Reference temperature : 20 °C
Approved on 11 September 2019
Institute service identifier : IPQ/103.09, 103.12, 103.04
CMC ID :
EURAMET-M-PT-00000C9G-2
Fluid flow ,
Volume of liquid
:
1 L to 20 L
Standard test measures and overflow pipettes
Relative expanded uncertainty
:
1.0E-2 %
Gravimetric
Liquid : water
Reference temperature : 20 °C
Approved on 11 September 2019
Institute service identifier : IPQ/103.21, 103.20, 103.13
CMC ID :
EURAMET-M-PT-00000C9D-2
Impedance (up to the MHz range) ,
Capacitance: low loss capacitors
:
1 pF to 1000 pF
Standard capacitor (sealed, dry-nitrogen or fused silica dielectric)
Relative expanded uncertainty
:
1.0E1 µF/F
Comparison
Frequency : 100 Hz, 400 Hz, 1000 Hz
Approved on 06 August 2013
Institute service identifier : IPQ/404.21
CMC ID :
EURAMET-EM-PT-0000069Z-2
Fluid flow ,
Volume of liquid
:
20 L to 1500 L
Proving tanks and overflow pipettes
Relative expanded uncertainty
:
1.0E-2 %
Gravimetric
Liquid : water
Reference temperature : 20 °C
Approved on 19 October 2016
Institute service identifier : IPQ/103.21, 103.20 and 103.13
CMC ID :
EURAMET-M-PT-00000C9V-1
Fluid flow ,
Volume of liquid
:
1 L to 20 L
Standard test measures
Relative expanded uncertainty
:
2.0E-2 %
Volumetric
Liquid : water
Ambient temperature : 10°C to 30 °C
Approved on 11 September 2019
Institute service identifier : IPQ/103.21
CMC ID :
EURAMET-M-PT-00000C9E-2
Fluid flow ,
Volume of liquid
:
20 L to 1.00E4 L
Proving tanks
Relative expanded uncertainty
:
2.0E-2 %
Volumetric
Liquid : water
Ambient temperature : 10°C to 30 °C
Approved on 11 September 2019
Institute service identifier : IPQ/103.21
CMC ID :
EURAMET-M-PT-00000C9C-2
DC voltage (up to 1100 V) ,
DC voltage sources: low values
:
1.00E-3 V to 10 V
Calibrator
Relative expanded uncertainty
:
3 µV/V to 5.0E1 µV/V
Uncertainty table
{"row_1": {"col_1":"<strong>Voltage<\/strong>", "col_2":"<strong>Expanded uncertainty<br>/ (µV/V)<\/strong>"}, "row_2": {"col_1":"1 mV to 2 V", "col_2":"50"}, "row_3": {"col_1":"2 V to 10 V", "col_2":"3"}, "row_4": {"col_1":"10 V to 20 V", "col_2":"3"}, "row_5": {"col_1":"20 V to 1000 V", "col_2":"5"}}
Comparison to a reference with a resistive divider
Approved on 06 August 2013
Institute service identifier : IPQ/401.12
CMC ID :
EURAMET-EM-PT-0000069T-2
DC resistance ,
DC resistance meters: low values
:
0.01 Ω to 1 Ω
Resistance meter
Relative expanded uncertainty
:
7 µΩ/Ω to 2 µΩ/Ω
Uncertainty table
{"row_1": {"col_1":"Resistance", "col_2":"Expanded uncertainty<br>/ (µΩ/Ω)"}, "row_2": {"col_1":"10 mΩ", "col_2":"7"}, "row_3": {"col_1":"100 mΩ", "col_2":"5"}, "row_4": {"col_1":"1 Ω", "col_2":"1.5"}, "row_5": {"col_1":"10 Ω to 100 kΩ", "col_2":"2"}, "row_6": {"col_1":"1 MΩ", "col_2":"5"}, "row_7": {"col_1":"10 MΩ", "col_2":"7"}, "row_8": {"col_1":"100 MΩ", "col_2":"25"}}
Direct measurement
Air temperature : 23 °C
Approved on 05 April 2021
Institute service identifier : IPQ/409.52
CMC ID :
EURAMET-EM-PT-00000MHL-1
Fluid flow ,
Volume of liquid
:
0.1 µL to 1000 µL
Micropipettes or piston pipettes
Relative expanded uncertainty
:
2.7 % to 0.4 %
Photometric
Liquid : Aqueous solutions
Approved on 11 September 2019
Institute service identifier : IPQ/103.02
CMC ID :
EURAMET-M-PT-00000C9J-2
Fluid flow ,
Volume of liquid
:
1 mL to 100 mL
Pycnometers
Relative expanded uncertainty
:
3.0E-3 %
Gravimetric
Liquid : water
Reference temperature : 20 °C
Approved on 11 September 2019
Institute service identifier : IPQ/103.10
CMC ID :
EURAMET-M-PT-00000C9T-2
DC current (up to 100 A) ,
DC current meters: low values
:
1.00E-13 A to 1.00E-9 A
Picoammeter, electrometer
Relative expanded uncertainty
:
1.5E2 µA/A to 2.0E3 µA/A
Uncertainty table
{"row_1": {"col_1":"-", "col_2":"Expanded uncertainty<br>/ (µA/A)"}, "row_2": {"col_1":"1E-13", "col_2":"2000"}, "row_3": {"col_1":"1E-12", "col_2":"500"}, "row_4": {"col_1":"1E-11", "col_2":"200"}, "row_5": {"col_1":"1E-10", "col_2":"150"}, "row_6": {"col_1":"1E-9", "col_2":"150"}}
Charging of a capacitor
Approved on 31 March 2022
Institute service identifier : IPQ/403.21
CMC ID :
EURAMET-EM-PT-00000MHG-1
Fluid flow ,
Liquid flow
:
1.20E-3 mL/h to 0.12 mL/h
Flowmeter
Relative expanded uncertainty
:
5.2 % to 2.5 %
Interferometric method
Reference Temperature : 20 ºC
Liquid : Water
Pressure : up to 3 hPa
Approved on 09 July 2022
Institute service identifier : 104.61
CMC ID :
EURAMET-M-PT-00000NW8-1
