Calibration of Mass and Related Quantities

We perform high-precision calibration of weights of various accuracy classes, ensuring compliance with international standards and metrological control requirements. Calibration is carried out using certified reference weights and high-sensitivity balances, guaranteeing traceability to national and international standards.

– weight range: from 1 mg to 10 kg
– weights of classes: F1, F2, M1, M2, M3
– uncertainty: 0.006–16 mg (F1 class)

We provide high-precision calibration of non-automatic weighing instruments in accordance with international standards and metrological control requirements. Our metrology engineers verify the accuracy, stability, and linearity of scales using certified reference weights and modern measuring equipment.

– range: from 1 g to 80 kg
– uncertainty: 0.004–800 mg

We calibrate:

– laboratory balances
– analytical and micro balances
– retail and industrial scales
– platform scales
– tabletop and hanging scales
– medical and specialized scales

During calibration, we verify:

– indication accuracy across different ranges
– zero-point error
– repeatability and reproducibility of measurements
– linearity and sensitivity
– environmental influence
– compliance with specified requirements and accuracy class

What you receive:

– an official calibration certificate with uncertainty evaluation in accordance with ISO/IEC 17025
– confirmation of scale accuracy and stability
– traceability of results to national and international standards
– recommendations regarding technical condition and calibration intervals

Advantages of our calibration services:

– compliance with ISO/IEC 17025 and OIML R76 requirements
– possibility of calibration both in the laboratory and on-site
– use of high-accuracy reference weights
– minimal impact on the client’s workflow

We perform high-precision calibration of tensile and compression testing machines, ensuring reliable force measurements in accordance with international standards. Our metrology engineers use certified reference dynamometers, strain gauge systems, and calibration procedures that guarantee traceability to national standards.

– range: from 1 N to 2 MN
– uncertainty: 0.05%; 0.1%

We calibrate:

– universal testing machines (UTM)
– tensile testing machines
– compression testing machines
– force presses and test benches
– material mechanical testing machines

During calibration, we verify:

– force measurement accuracy across the entire range
– repeatability and reproducibility of readings
– influence of loading speed
– linearity and stability of measurements
– compliance with ISO 7500-1 and other applicable standards

What you receive after calibration:

– a calibration certificate with traceable results in accordance with ISO/IEC 17025
– uncertainty evaluation and confirmation of the accuracy class
– recommendations regarding the technical condition of the machine and calibration intervals
– confidence in the correct operation of testing equipment for material quality control

Our advantages:

– use of high-accuracy reference force sensors
– compliance with ISO/IEC 17025 and ISO 7500-1 methodologies
– on-site calibration without dismantling the equipment
– minimal impact on the company’s workflow
– high stability and repeatability of measurements

We provide high-precision calibration of various types of torque wrenches, ensuring torque accuracy and compliance with international standards. Our metrology engineers use certified reference torque transducers, guaranteeing traceability of results to national standards.

– range: from 0 N to 1000 N
– uncertainty: 0.5%

We calibrate:

– mechanical torque wrenches
– ratchet and dial torque wrenches
– electronic and digital torque wrenches
– torque-limiting wrenches
– industrial and service socket tools

During calibration, we verify:

– accuracy of the set and applied torque
– repeatability of readings
– smoothness and stability of the mechanism
– compliance with ISO 6789 and other applicable standards
– errors at different load levels

What you receive:

– a calibration certificate with results and uncertainty evaluation in accordance with ISO/IEC 17025
– confirmation of the instrument’s accuracy class compliance
– traceable data for audits and quality management systems
– recommendations regarding calibration intervals and maintenance

Advantages of our calibration services:

– use of high-accuracy reference torque measuring systems
– compliance with ISO/IEC 17025 and ISO 6789 requirements
– possibility of calibration both in the laboratory and on-site
– high repeatability and reliability of results

We perform high-precision calibration of various types of hardness testers, ensuring reliable hardness measurement results and compliance with international standards. Calibration is carried out using certified reference hardness blocks and specialized equipment, guaranteeing traceability to national standards.

We calibrate hardness testers according to the following scales:

– Brinell (5–450) HB
– Vickers (8–850) HV; HV5–HV100; HV0.01–HV3
– Rockwell (70–93) HRA; (25–100) HRB; (20–70) HRC
– Shore (0–100) HA

During calibration, we verify:

– accuracy of readings at different load levels
– stability and repeatability of measurements
– condition of the indenter and compliance of the applied load with standards
– flatness and quality of the support surface
– compliance with ISO 6506, ISO 6507, ISO 6508, ISO 7619, and other applicable standards

What you receive:

– a calibration certificate with a complete set of measurement results in accordance with ISO/IEC 17025
– uncertainty evaluation and confirmation of the accuracy class
– traceable data linked to national and international standards
– recommendations regarding the technical condition and operating conditions of the hardness tester

Advantages of our calibration services:

– use of certified reference hardness blocks
– strict compliance with ISO/IEC 17025 methodologies
– possibility of on-site calibration at the customer’s facility
– high reliability and repeatability of measurements

We perform high-precision calibration of pendulum impact testers, ensuring reliable measurement of material impact toughness in accordance with international standards. Calibration is carried out using certified reference standards, control weights, and measuring devices, guaranteeing traceability of results.

– range: from 5 to 2500 J
– uncertainty: 0.1%

We calibrate:

– pendulum impact testers for Charpy impact testing
– pendulum impact testers for Izod testing
– laboratory and industrial impact testing systems
– impact testers of various energy ranges

During calibration, we verify:

– correct pendulum height and swing angle settings
– accuracy of fracture energy readings
– energy losses within the system (friction, air resistance, mechanical losses)
– compliance of pendulum geometric parameters with standards
– proper operation of locks, supports, and striking edges
– compliance with ISO 148-2 and other applicable standards

What you receive:

– a calibration certificate with traceable results in accordance with ISO/IEC 17025
– measurement uncertainty evaluation
– confirmation of equipment compliance with applicable standards
– recommendations regarding the technical condition and calibration intervals

Advantages of our calibration services:

– use of certified reference standards to verify energy measurement accuracy
– compliance with ISO/IEC 17025 and ISO 148-2 requirements
– high-precision adjustment and control of geometric parameters
– on-site calibration at the customer’s facility
– stability and repeatability of results

We perform high-precision calibration of capacity measures, ensuring reliable determination of liquid volume in accordance with international standards. Calibration is carried out using gravimetric or volumetric methods with certified mass standards and high-precision measuring equipment.

– range: from 0.1 to 1000 ml
– uncertainty: from 0.3% to 0.042%

We calibrate:

– volumetric flasks
– graduated cylinders
– pipettes (mechanical and glass)
– burettes
– dispensers
– tanks, reservoirs, and other containers used in technological processes
– laboratory and industrial volumetric measuring ware

Methods we use:

– gravimetric method — conversion of the mass of dispensed liquid into volume, taking into account density and temperature
– volumetric method — comparison with a reference measure
– control of temperature, liquid density, and environmental conditions to minimize errors

During calibration, we verify:

– nominal volume accuracy
– filling uniformity
– dispensing error
– stability of results during repeated filling
– compliance with ISO 4787, ISO 8655, and other applicable standards

What you receive:

– an official calibration certificate with all measurements in accordance with ISO/IEC 17025
– uncertainty evaluation
– traceability of results to national standards
– recommendations regarding operation and calibration intervals

Advantages of our calibration services:

– use of high-precision mass and temperature standards
– compliance with international methodologies and standards
– possibility of calibrating both laboratory and industrial equipment
– high repeatability and reliability of measurements

We provide high-precision calibration of piston-operated volumetric devices used for dispensing and accurate measurement of liquid volumes. Calibration is carried out in accordance with international standards using gravimetric methods and certified reference standards, ensuring high reliability and traceability of results.

We calibrate:

– piston dispensers
– micropipettes and automatic pipettes
– syringe dispensers
– laboratory piston volumetric devices
– piston-operated devices for technological processes
– piston burettes
– dispensers

During calibration, we verify:

– volume measurement accuracy
– repeatability and reproducibility of dispensing
– linearity across the entire operating range
– dispensing stability under different operating conditions
– compliance with ISO 8655 and other applicable standards

Calibration methods:

– gravimetric method – conversion of mass into the corresponding volume taking into account water density and temperature
– monitoring of environmental conditions (temperature, humidity, atmospheric pressure)
– multiple dispensing cycles to assess stability

What you receive:

– an official calibration certificate in accordance with ISO/IEC 17025
– measurement uncertainty evaluation
– confirmation of dispensing accuracy
– recommendations regarding operation and calibration intervals

Advantages of our calibration services:

– compliance with ISO/IEC 17025 and ISO 8655 international standards
– use of high-precision mass and temperature reference standards
– high repeatability and reliability of results
– possibility of calibration both in the laboratory and at the customer’s site