Results for: bulgeria
Filters
CMC Quick search Filters close;
?
Added keywords act as an additional filter. Keywords separated by a space will be treated by the logical function AND automatically. You may also use OR. Keyword searches also find close matches. Placing quotation marks (") before and after the search word, e.g. "word", will allow for exact matches.

In case of multiple search, please use ADVANCED SEARCH.
226 results
Reset all
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)
Bulgaria, BIM (Bulgarian Institute of Metrology)
Spectral properties of materials , Transmittance, regular, spectral : 0.1 to 1
Spectrally-neutral material
Relative expanded uncertainty : 0.65 %
Direct measuring with standard spectrophotometer
Wavelength : 400 nm to 700 nm
Bandwidth : 0.5 nm to 5 nm
Approved on 21 October 2001
Items for disseminating ITS-90 and PLTS 2000 , Temperature : 100 °C to 250 °C
Thermistors and other resistive thermometer
Absolute expanded uncertainty : 2.0E1 mK
Comparison
Stirred liquid bath : silicon oil
Approved on 03 November 2009
Institute service identifier : BIM/4.3
Items for disseminating ITS-90 and PLTS 2000 , Temperature : 100 °C to 250 °C
Liquid-in-glass thermometer
Absolute expanded uncertainty : 2.5E1 mK
Comparison
Stirred liquid bath : silicon oil
Approved on 03 November 2009
Institute service identifier : BIM/7.4
Frequency , Frequency : 0.1 GHz to 20 GHz
Frequency counter
Relative expanded uncertainty : 7.0E-9 Hz/Hz
Frequency source
Averaging time : 10 s
Approved on 18 November 2009
Institute service identifier : BIM/2.3.1.4
DC resistance , DC resistance meters: low values : 1.00E-4 Ω to 1 Ω
Micro-ohmmeter, multimeter: R
Relative expanded uncertainty : 1.2E2 µΩ/Ω to 3 µΩ/Ω
{"row_1":{"col_1":"","col_2":"Expanded uncertainty"},"row_2":{"col_1":"0.0001 ohm","col_2":"120"},"row_3":{"col_1":"0.001 ohm","col_2":"70"},"row_4":{"col_1":"0.01 ohm","col_2":"70"},"row_5":{"col_1":"0.1 ohm","col_2":"70"},"row_6":{"col_1":"1 ohm","col_2":"3.0"}}
The expanded uncertainties given in this table are expressed in µΩ/Ω
Direct measurement
R : decade values
Approved on 06 August 2013
Institute service identifier : 80
Ionizing radiation
Activity per unit mass , Multi-radionuclide source : 0.1 Bq/g to 100 Bq/g
Relative expanded uncertainty 6.7 %
HPGe spectrometer, balance
K-40, multi-radionuclide source, grass
Reference standard : Calibrated gamma-ray spectrometer, set of standard weights
Source of traceability : CMI (Bq), BIM (g)
Approved on 27 March 2013
Institute service identifier : EUR-RAD-BIM-2003
Items for disseminating ITS-90 and PLTS 2000 , Temperature : 250 °C to 650 °C
IPRT
Absolute expanded uncertainty : 0.1 °C to 0.6 °C
Comparison
Furnace : metal block
Approved on 03 November 2009
Institute service identifier : BIM/3.4
Ionizing radiation
Activity per unit mass , Multi-radionuclide source : 0.01 Bq/g to 50 Bq/g
Relative expanded uncertainty 6 %
HPGe spectrometer, balance
Cs-137, multi-radionuclide source, soil
Reference standard : Calibrated gamma-ray spectrometer, set of standard weights
Source of traceability : CMI (Bq), BIM (g)
Approved on 27 March 2013
Institute service identifier : EUR-RAD-BIM-2002
High voltage and current , High AC current: current transformer phase displacement : -20 mrad to 20 mrad
Current transformer
Absolute expanded uncertainty : 9.0E-2 mrad
Comparison with standard current transformer
Primary : 0.1 A to 5 A
Secondary : 1 A or 5 A
Frequency : 50 Hz
Approved on 06 August 2013
Institute service identifier : 68
Pressure , Negative gauge pressure : 1.00E4 Pa to 1.00E5 Pa
Pressure balance
Absolute expanded uncertainty
5E-04p

p pressure in Pa

The uncertainty is expressed in Pa

Gas medium
Uncertainty values range from 5 Pa to 50 Pa
Approved on 11 October 2005
Institute service identifier : EUR-BIM-M-043
High voltage and current , High AC voltage: voltage transformer ratio error : -0.2 % to 0.2 %
Voltage transformer
Absolute expanded uncertainty : 9.0E-3 %
Comparison with reference standard
Primary voltage : 2 kV to 100 kV
Secondary voltage : 15 V to 120 V
Frequency : 50 Hz
Approved on 06 August 2013
Institute service identifier : 95
Frequency , Frequency : 10 MHz
Local frequency standard
Relative expanded uncertainty : 6.0E-13 Hz/Hz
Frequency comparator
Averaging time : 1 day
Approved on 18 November 2009
Institute service identifier : BIM/2.1.1.4
Frequency , Frequency : 1 MHz to 100 MHz
General frequency source
Relative expanded uncertainty : 2.0E-9 Hz/Hz
Direct frequency measurement
Averaging time : 100 s
Approved on 18 November 2009
Institute service identifier : BIM/2.2.1.3
Ionizing radiation
Air kerma/rate , Gamma irradiator : 0.1 Gy/h to 1 Gy/h
Relative expanded uncertainty 1.5 %
Calibration against a secondary standard free in air
Co-60, no further specifications
Reference standard : Secondary standard with ionization chambers type ND1001
Source of traceability : BIPM
Approved on 13 February 2007
Institute service identifier : EUR-RAD-BIM-1004
DC resistance , DC resistance standards and sources: multiple ranges : 1 Ω to 1.00E8 Ω
Multifunction calibrator: R
Relative expanded uncertainty : 1 µΩ/Ω to 5.5E1 µΩ/Ω
{"row_1":{"col_1":"","col_2":"Expanded uncertainty"},"row_2":{"col_1":"1 ohm","col_2":"1"},"row_3":{"col_1":"1.9 ohm","col_2":"1"},"row_4":{"col_1":"10 ohm","col_2":"1"},"row_5":{"col_1":"19 ohm","col_2":"1"},"row_6":{"col_1":"100 ohm","col_2":"1"},"row_7":{"col_1":"190 ohm","col_2":"1"},"row_8":{"col_1":"1 kohm","col_2":"1.5"},"row_9":{"col_1":"1.9 ohm","col_2":"1.5"},"row_10":{"col_1":"10 kohm","col_2":"2.1"},"row_11":{"col_1":"19 kohm","col_2":"2.1"},"row_12":{"col_1":"100 kohm","col_2":"2.4"},"row_13":{"col_1":"190 kohm","col_2":"2.4"},"row_14":{"col_1":"1 Mohm","col_2":"4.5"},"row_15":{"col_1":"19 Mohm","col_2":"4.5"},"row_16":{"col_1":"10 Mohm","col_2":"6.0"},"row_17":{"col_1":"19 Mohm","col_2":"6.0"},"row_18":{"col_1":"100 Mohm","col_2":"55"}}
The expanded uncertainties given in this table are expressed in µΩ/Ω
Comparison by means of current comparator bridge and automated high resistance bridge
R : decade values and divisible by 1.9
Approved on 06 August 2013
Institute service identifier : 79
Linear vibration , Acceleration : 1 m/s2 to 1000 m/s2
Acceleration measuring instrument
Relative expanded uncertainty : 2 %
Comparison, ISO 16063-21
Frequency : 6.3 kHz to 10 kHz
Approved on 18 October 2005
Items for defining ITS-90 , Temperature : 234.3156 °C
Capsule-type SPRT
Absolute expanded uncertainty : 0.5 mK
Calibration at mercury triple point
Mercury apparatus
Approved on 27 March 2014
Institute service identifier : BIM/2.1
Ionizing radiation
Air kerma/rate , Gamma irradiator : 6.00E-6 Gy/h to 0.1 Gy/h
Relative expanded uncertainty 2.3 %
Calibration against a secondary standard free in air
Cs-137, no further specifications
Reference standard : Secondary standard with ionization chambers type ND 1000
Source of traceability : PTB
Approved on 13 February 2007
Institute service identifier : EUR-RAD-BIM-1007
Ionizing radiation
Activity per unit mass , Multi-radionuclide source : 0.01 Bq/g to 50 Bq/g
Relative expanded uncertainty 5 %
HPGe spectrometer, balance
Cs-134, multi-radionuclide source, water
Reference standard : Calibrated gamma-ray spectrometer, set of standard weights
Source of traceability : CMI (Bq), BIM (g)
Approved on 27 March 2013
Institute service identifier : EUR-RAD-BIM-2001
High voltage and current , High DC voltage: average value : 0.2 kV to 100 kV
DC voltage measuring system, DC voltage source
Absolute expanded uncertainty : 0.1 kV to 0 kV
Comparison with reference measuring system
Approved on 07 February 2019
Institute service identifier : 63

Select Metrology Area

General physics
Acoustics, Ultrasound, Vibration

This metrology area covers the fields of acoustics, ultrasound and vibration.

Electricity and Magnetism

This metrology area covers the fields of DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on materials.

Length

This metrology area covers the fields of laser frequencies and dimensional metrology.

Mass and related quantities

This metrology area covers the fields of mass standards, force, pressure, density, hardness, torque, gravity and viscosity.

Chemistry and Biology
Chemistry and Biology

This metrology area covers all fields relevant to chemistry and biology.

Ionizing radiation
Ionizing Radiation

This metrology area covers the fields of dosimetry, radioactivity and neutron measurements.