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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)
Ireland, NSAI NML (NSAI National Metrology Laboratory)
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
-10 °C to 100 °C
Liquid in glass thermometer
Absolute expanded uncertainty
:
9 mK
Comparison
Stirred liquid bath : ice bath, water, silicone oil
Ambient temperature : (20 ± 1) °C
Approved on 03 November 2009
Institute service identifier : T 70
CMC ID :
EURAMET-T-IE-00000DIC-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
250 °C to 500 °C
IPRT
Absolute expanded uncertainty
:
3.0E1 mK
Comparison
Ambient temperature : (20 ± 1) °C
Temperature-controlled salt bath
Approved on 03 November 2009
Institute service identifier : T 41
CMC ID :
EURAMET-T-IE-00000DI9-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
-40 °C to -10 °C
Liquid in glass thermometer
Absolute expanded uncertainty
:
2.5E1 mK
Comparison
Stirred liquid bath : acetone
Ambient temperature : (20 ± 1) °C
Approved on 03 November 2009
Institute service identifier : T 70
CMC ID :
EURAMET-T-IE-00000DIB-1
Items for defining ITS-90 ,
Temperature
:
273.16 K
Water triple point cell
Absolute expanded uncertainty
:
0.32 mK
Direct comparison
Ambient temperature : (20 ± 1) °C
Temperature-controlled bath
Approved on 20 January 2010
Institute service identifier : T 10
CMC ID :
EURAMET-T-IE-00000DIL-1
Items for defining ITS-90 ,
Temperature
:
0.01 °C to 29.7646 °C
Long-stem SPRT
Absolute expanded uncertainty
:
2 mK
Calibration at fixed points
Temperature-controlled bath : (20 ± 1) °C
Approved on 17 January 2013
Institute service identifier : T 33
CMC ID :
EURAMET-T-IE-00000DIT-1
Hygrometers ,
Humidity
:
30 °C to 75 °C
Dew-point hygrometers
Absolute expanded uncertainty
:
0.2 °C
Relative humidity generator
Approved on 14 December 2018
Institute service identifier : HP-NM-06
CMC ID :
EURAMET-T-IE-00000DIZ-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
-40 °C to -10 °C
Spirit and mercury in glass - partial and total immersion thermometers
Absolute expanded uncertainty
:
3.5E1 mK
Comparison in methanol bath to ITS-90 SPRT using optical imaging system. ELC values measured for partial immersion thermometers.
Calibration of partial and total immersion thermometers. Minimum graduation: 0.1 °C
Approved on 13 August 2020
Institute service identifier : TP-NM-70
CMC ID :
EURAMET-T-IE-00000K4X-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
-100 °C to -40 °C
Spirit in glass Thermometers - Total immersion
Absolute expanded uncertainty
:
0.2 K
Comparison in methanol bath to ITS-90 SPRT using optical imaging system.
Calibration of total immersion thermometers. Minimum graduation: 0.5 °C
Approved on 13 August 2020
Institute service identifier : TP-NM-70
CMC ID :
EURAMET-T-IE-00000K4W-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
200 °C to 250 °C
Sensor with display
Absolute expanded uncertainty
:
1.0E1 mK
Comparison
Stirred liquid bath : silicone oil
Ambient temperature : (20 ± 1) °C
Approved on 03 November 2009
Institute service identifier : T 22
CMC ID :
EURAMET-T-IE-00000DIJ-1
Items for defining ITS-90 ,
Temperature
:
-38.8344 °C to 29.7646 °C
Long-stem SPRT
Absolute expanded uncertainty
:
2 mK
Calibration at fixed points
Temperature-controlled bath : (20 ± 1) °C
Approved on 17 January 2013
Institute service identifier : T 33
CMC ID :
EURAMET-T-IE-00000DIR-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
-75 °C to 0 °C
IPRT
Absolute expanded uncertainty
:
5 mK
Comparison
Ambient temperature : (20 ± 1) °C
Temperature-controlled acetone bath
Approved on 03 November 2009
Institute service identifier : T 41
CMC ID :
EURAMET-T-IE-00000DI4-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
80 °C to 200 °C
IPRT
Absolute expanded uncertainty
:
7 mK
Comparison
Ambient temperature : (20 ± 1) °C
Temperature-controlled oil bath
Approved on 03 November 2009
Institute service identifier : T 41
CMC ID :
EURAMET-T-IE-00000DI7-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
0 °C
Sensor with display
Absolute expanded uncertainty
:
4 mK
Comparison
Stirred liquid bath : ice bath
Approved on 03 November 2009
Institute service identifier : T 22
CMC ID :
EURAMET-T-IE-00000DIG-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
-100 °C to 0 °C
IPRT
Absolute expanded uncertainty
:
6 mK
Calibration by comparison to ITS-90 SPRT in methanol bath.
ITS-90
Approved on 02 December 2020
Institute service identifier : TP-NM-90
CMC ID :
EURAMET-T-IE-00000K4V-1
Items for disseminating ITS-90 and PLTS 2000 ,
Air Temperature
:
-40 °C to 100 °C
Air temperature sensor
Absolute expanded uncertainty
:
0.19 °C to 0.36 °C
Uncertainty table
{"row_1":{"col_1":"Minimum temperature / °C","col_2":"Maximum temperature / °C","col_3":"CMC as expanded uncertainty (<em>k</em> = 2) / °C"},"row_2":{"col_1":"-40","col_2":"-10","col_3":"0.20"},"row_3":{"col_1":"-10","col_2":"+60","col_3":"0.19"},"row_4":{"col_1":"+60","col_2":"+100","col_3":"0.36"}}
Calibration by comparison to reference PRTs
Approved on 24 January 2022
Institute service identifier : HP-NM-01, HP-NM-05
CMC ID :
EURAMET-T-IE-00000LR5-1
Hygrometers ,
Humidity
:
10 %rh to 95 %rh
Relative humidity sensors
Absolute expanded uncertainty
:
0.6 %rh to 2 %rh
Comparison in a climatic chamber
Air temperature : 15 °C to 60 °C
Approved on 14 December 2018
Institute service identifier : HP-NM-05
CMC ID :
EURAMET-T-IE-00000DIW-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
250 °C to 500 °C
Sensor with display
Absolute expanded uncertainty
:
3.0E1 mK
Comparison
Stirred liquid bath : salt
Ambient temperature : (20 ± 1) °C
Approved on 03 November 2009
Institute service identifier : T 22
CMC ID :
EURAMET-T-IE-00000DIK-1
Items for defining ITS-90 ,
Temperature
:
0.01 °C to 419.527 °C
Long-stem SPRT
Absolute expanded uncertainty
:
3.2 mK
Calibration at fixed points
Temperature-controlled furnace : (20 ± 1) °C
Approved on 17 January 2013
Institute service identifier : T 33
CMC ID :
EURAMET-T-IE-00000DIU-1
Items for defining ITS-90 ,
Temperature
:
-38.8344 °C to 0.01 °C
Long-stem SPRT
Absolute expanded uncertainty
:
2 mK
Calibration at fixed points
Temperature-controlled bath : (20 ± 1) °C
Approved on 17 January 2013
Institute service identifier : T 33
CMC ID :
EURAMET-T-IE-00000DIS-1
Hygrometers ,
Humidity
:
10 %rh to 95 %rh
Relative humidity sensors
Absolute expanded uncertainty
:
0.6 %rh to 1.3 %rh
Comparison in a climatic chamber
Air temperature : 60 °C to 85 °C
Approved on 14 December 2018
Institute service identifier : HP-NM-05
CMC ID :
EURAMET-T-IE-00000DIX-1
