The tables below show technical scopes that may be assessed in training and consultancy work. They do not declare an accreditation scope held by AKREKAL; the methods, ranges and conditions applicable to your organisation are verified separately.
| Areas of Expertise | Measured Quantity / Instruments Calibrated | Measurement Range | Measurement Conditions | Calibration and Measurement Capability (k=2) | Remarks / Calibration Method |
| Calibration/Ionising Radiation and Radioactivity/Dosimetric Quantities | Therapy-Level Dosimeters:
Ionisation chamber Electrometer |
Air Kerma (Nk)(100 cm)
Dose: 2.91 mGy Dose Rate: 10.48 Gy.h-1 |
Co-60 source
34.52 TBq |
1,10% | Substitution method;
IAEA Technical Reports Series No:277-381 protocols are applied. Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Ionising Radiation and Radioactivity/Dosimetric Quantities | Therapy-Level Dosimeters:
Ionisation chamber Electrometer |
Absorbed in Water
Dose:(NDW) (100 cm) Dose: 2.87 mGy Dose Rate: 10.33 Gy.h-1 |
Co-60 source
34.52 TBq May.18 |
1,00% | Substitution method;
The IAEA Technical Reports Series No:398 protocol is applied. Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Hardness | Hardness Reference Block
Rockwell Hardness Reference Block Brinell Hardness Reference Block Vickers Hardness Reference Block |
HRA |
– |
0,40 HRA |
Calibration is performed in accordance with ISO 6508-3 and ASTM E18. Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. In the laboratory At temporary or mobile facilities |
| Calibration/Mechanical Quantities/Hardness | Hardness Tester
Rockwell Hardness Tester Brinell Hardness Tester Vickers Hardness Tester Portable (Handheld) Hardness Tester Shore Hardness Tester IRHD Hardness Tester |
30 < HRC < 64 |
Indirect Calibration Using Hardness Reference Blocks |
1,8 HRC |
Calibration is performed using a procedure prepared in accordance with DIN 50156-2. Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Hardness | Hardness Indenter
Rockwell Spheroconical Diamond Indenter Vickers Pyramidal Diamond Indenter Brinell and Rockwell Ball Indenters Shore, IRHD and Other Indenters |
0 ° < α < 180 ° 0 ° ≤ α ≤ 90 ° 0,2 mm ≤ R ≤ 0,25 mm 0 mm ≤ S ≤ 0,002 mm |
Angle Axial deviation angle Radius Linearity |
0,01° 0,01° 0 5 μm 1 μm |
Calibration using a procedure prepared in accordance with ASTM E 18 and ISO 6508-2. Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Hardness | Hardness Tester
Calibration of Optical Indentation Measuring Equipment in Hardness Testing Machines |
L ≤ 20 mm | TS EN ISO 6506-2
TS EN ISO 6507-2 |
1,5x 10⁻³ · L (μm), provided it is not less than 0,5 μm | L: Measured value
Measurement Principle: Using a Stage Micrometer Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Hardness | Hardness Tester
Indentation Depth Calibration in Hardness Testing Machines |
0mm ≤ L ≤ 10mm | TS EN ISO 6506-2
TS EN ISO 6507-2 |
1,5x 10⁻³ · L (μm), provided it is not less than 0,5 μm | L: Measured value
Measurement Principle: Using a Stage Micrometer Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Fixed Points | Contact Temperature Fixed-Point Cells
Primary-Level Fixed-Point Cell Secondary-Level Fixed-Point Cell |
500K | Ambient Temperature | 5 mK | Comparison of fixed points
Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. In the laboratory |
| Calibration/Temperature/Resistance Thermometers | Standard Platinum Resistance Thermometers
Capsule-Type SPRT Long-Stem SPRT (including HTSPRT) |
-100 °C ≤ T ≤ 100 °C | In a Liquid Bath
In a Block Calibrator |
3 °C | Laboratory and on-site calibration by the comparison method
T: Measured Temperature [°C] Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Resistance Thermometers | Resistance Thermometers
Platinum Resistance Thermometers (PRT) Industrial Platinum Resistance Thermometers (PRT) Thermistor |
-45 °C ≤ T ≤ 300 °C | In a Liquid Bath
In a Block Calibrator |
0,09 °C | Laboratory and on-site calibration by the comparison method
T: Measured Temperature [°C] Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Thermocouples | Thermocouples
Platinum-Based Reference Thermocouples R S B Platinum/Palladium (Pt/Pd) Gold/Platinum (Au/Pt) |
-100°C ≤ T ≤ 100°C | In a Liquid Bath
In a Block Calibrator |
5,8 °C | Laboratory and on-site calibration by the comparison method
T: Measured Temperature [°C] Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Thermocouples | Thermocouples
Industrial Thermocouples T E K N J U L |
-100°C ≤ T ≤ 100°C | In a Liquid Bath
In a Block Calibrator |
5,8 °C | Laboratory and on-site calibration by the comparison method
T: Measured Temperature [°C] Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Liquid-in-Glass Thermometers | Liquid-in-Glass Thermometers | 0 °C | Ice Point | 1,23 °C | Laboratory Calibration by the Comparison Method
T: Temperature 0,05 °C Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Resistance Thermometers; Calibration/Temperature/Thermocouples | Temperature Measuring Instruments with Displays
(with thermistor, resistance or thermocouple sensor) |
-10°C < T < 10 °C | In a Liquid Bath | 1,23 °C | Laboratory and On-Site Calibration
T: Temperature 0,5 °C Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Thermocouples; Calibration/Temperature/Resistance Thermometers | Other Thermometers
Surface Temperature Thermometers Air Sensors |
-10°C < T < 10 °C | On a surface temperature plate | 1,23 °C | Laboratory and On-Site Calibration
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Resistance Thermometers; Calibration/Temperature/Thermocouples | Other Thermometers
Air Sensors |
-10°C < T < 10 °C | On a surface temperature plate | 1,23 °C | Laboratory and On-Site Calibration
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Thermocouples | Other Measurement Services
Compensating Cables for Cold Junctions |
-10°C < T < 10 °C | Cold Junction On/Off | 1,23 °C | Laboratory and On-Site Calibration
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Thermocouples | Other Measurement Services
Wire Melting-Point Cable for Thermocouples |
-10°C < T < 10 °C | Cold Junction On/Off | 1,23 °C | Laboratory and On-Site Calibration
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Temperature Indicators and Calibrators | Temperature Indicators and Calibrators
Temperature Indicator Cold Junction ON Cold Junction OFF |
-10°C < T < 10 °C | Type J
Type T |
1,23 °C | Calibration procedure prepared in accordance with EURAMET cg-11
On site or in the laboratory Electrical simulation method T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Temperature Indicators and Calibrators | Temperature Indicators and Calibrators
Temperature Calibrator Cold Junction ON Cold Junction OFF |
-10°C < T < 10 °C | Type J
Type T |
1,23 °C | Calibration procedure prepared in accordance with EURAMET cg-11
On site or in the laboratory Electrical simulation method T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Temperature Sources | Controlled Volumes (Temperature Distribution)
Oven Incubator Cold Room (deep freezer, etc.) Climatic Chamber Steriliser (Autoclave) Liquid Bath Muffle Furnace |
-10°C < T < 10 °C | 1,23 °C | According to the Euramet cg-20 and DKD-R 5-7 guidance documents
On-site calibration using a portable calibration system T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
|
| Calibration/Temperature/Temperature Sources | Other Measurement Services
Dry-Block Calibrators |
-10°C < T < 10 °C | Using a Reference Thermocouple | 1,23 °C | Calibration procedure prepared in accordance with Euramet cg-13
using the comparison calibration method T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Radiation Thermometers | Radiation Temperature Fixed-Point Cells
Primary-Level Fixed-Point Cell Secondary-Level Fixed-Point Cell |
-10°C < T < 10 °C | 1,23 °C |
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
|
| Calibration/Temperature/Radiation Thermometers | Reference Radiation Thermometers | -10°C < T < 10 °C | 1,23 °C |
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
|
| Calibration/Temperature/Radiation Thermometers | Industrial Radiation Thermometers
Pyrometer Thermal Camera IR Thermometer IR Ear Thermometer |
-10°C < T < 10 °C | Using an IR Calibrator | 1,23 °C | Laboratory and on-site calibration
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Radiation Thermometers | Variable-Temperature Blackbody Sources
Blackbody IR Calibrator |
-10°C < T < 10 °C | Wavelength: 10µm | 1,23 °C | Comparison Measurement
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Radiation Thermometers | Ribbon Lamps
Vacuum Lamp Gas Lamp |
-10°C < T < 10 °C | 1,23 °C | T: Temperature
Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
|
| Calibration/Temperature/Humidity | Hygrometers
Dew-Point Temperature Meter Hygrometer Relative Humidity Meter (capacitive, resistive, thermographic, mechanical, wet/dry bulb) Moisture Meter |
-10°C < T < 10 °C | Digital and Analogue | 1,23 %RH | RH: Measured value
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Temperature/Humidity | Dynamic Sources
Dew-Point Source Relative Humidity Source Flow Mixing |
-10°C < T < 10 °C | % 1,23 RH | RH: Measured Value
T: Temperature Calibration in a Humidity Chamber Analogue/Digital Relative Humidity Meter Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
|
| Calibration/Temperature/Humidity | Static Sources
Salt Solution Saturated Salt Solution Unsaturated Salt Solution |
43,2% rh | % 1,23 RH | RH: Measured Value
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
|
| Calibration/Temperature/Humidity | Static Sources
Reference Gases |
43,2% rh | % 1,23 RH | RH: Measured Value
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
|
| Calibration/Temperature/Humidity | Controlled Volumes (Relative Humidity Distribution)
Climatic Chamber Relative Humidity Source Steriliser (Autoclave) |
0 °C < T ≤ 10 °C | Single Point | 1,5 °C | Using the Comparison Method
T: Temperature Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Weighing Instruments | Non-Automatic Weighing Instruments
Balance |
1 mg < m < 1 kg | Using E2 class weights | 2 · 10-6 | m : Balance capacity (g)
Calibration procedure prepared in accordance with EURAMET/cg-18. Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Weighing Instruments | Non-automatic weighing instruments
Balance |
1 mg < m < 40 kg | Using F1 class weights | 1,1·10-5 |
m : Balance capacity (g) Calibration procedure prepared in accordance with EURAMET/cg-18. Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Weighing Instruments | Non-automatic weighing instruments
Balance |
5 kg < m < 1000 kg | Using M1 class weights | 1,6·10-4 |
m : Balance capacity (g) Calibration procedure prepared in accordance with EURAMET/cg-18. Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Weighing Instruments | Non-automatic weighing instruments
Balance |
1000 kg < m < 2000 kg | Using substitution weights | 3·10-4 |
m : Balance capacity Calibration procedure prepared in accordance with EURAMET/cg-18. Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Materials Testing Machines | Materials Testing Machines
Tensile / Compression Testing Machine Compression Testing Machine Tensile Testing Machine Concrete Testing Machine Notched Impact Testing Machine Extensometer |
200 N < F < 100 kN | In tension using a class 0,5 load cell | 0,16% | F: Applied force (N)
Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Materials Testing Machines | Compression Testing Machine | 200 N < F < 100 kN | In tension using a class 0,5 load cell. | 0,16% | F: Applied force (N)
Calibration procedure prepared in accordance with TS EN ISO 7500-1, ISO 7500-1 and ASTM E4 Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Materials Testing Machines | Tensile/Compression Testing Machine | 200 N < F < 100 kN | In tension using a class 0,5 load cell. | 0,16% | F: Applied force (N)
Calibration procedure prepared in accordance with TS EN ISO 7500-1, ISO 7500-1 and ASTM E4 Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Materials Testing Machines | Extensometer | L ≤ 100 mm | Using a probe | ( 0,5 + 7 · L) μm | L : Measured Value (m)
Calibration procedure prepared in accordance with TS EN ISO 9513 and ASTM E83 Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Materials Testing Machines | Notched Impact Tester
Izod Impact Tester |
0,5 J < Ap < 750 J | Tension using a Class 0.5 Load Cell | Force: %0,16
Pendulum Length: 0,5 mm Angle: 0,1ᵒ |
Ap : Potential energy (Joule)
Calibration procedure prepared in accordance with TS EN ISO 148-2, ASTM E23 and TS EN ISO 13802. Measurement uncertainty is calculated for the following parameters: 1-Centre of percussion 2-Potential energy 3-Indicator deviation Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Materials Testing Machines | Concrete Testing Presses | 200 N < F < 3 MN | Using a class 1 load cell | 0,32% | F: Applied force (N)
Calibration procedure prepared in accordance with TS EN 12390-4 Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Torque | Torque Measuring Instruments
Torque Calibration Machine Torque Transducer Reference Torque Wrench Torque Hand Tool Calibration Rig Torque Hand Tools Torque Multiplier |
100 N·m < M < 2000 N·m | Using a Class 0,5 load cell
(Clockwise and anticlockwise) |
% 1,0 | M : Measured Torque (N·m)
Calibration procedure prepared in accordance with ISO 6789-2. Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
| Calibration/Mechanical Quantities/Vacuum Quantities | Vacuum Gauge Calibration
Capacitance Diaphragm Vacuum Gauge Spinning Rotor Vacuum Gauge (SRG) Hot and Cold Cathode Vacuum Gauges Pirani, Thermal Conductivity and Thermocouple Vacuum Gauges |
Performed at the Customer’s Site, in the Laboratory, or at a Temporary or Mobile Facility. |
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