Name Planned shipping method Start Date  
Vibration IEC 60068-2-6, -2-64
Parameters (quantitative): Swept sine excitation (a1) [m/s² (peak)], Swept sine excitation - log10 (a1) [log10 m/s² (peak)], Broad band random acceleration excitation (a2) [(m/s²)²/Hz], Broad band random acceleration excitation - log10 (a2) [log10 (m/s²)²/Hz], Sine resonance frequency (a3) [Hz], Swept sine excitation traverse movement (b1) [m/s² (peak)], Swept sine excitation traverse movement - log10 (b1) [log10 m/s² (peak)], Broad band random acceleration traverse movement (b2) [(m/s²)²/Hz], Broad band random acceleration traverse movement - log10 (b2) [log10 (m/s²)²/Hz], Sine resonance frequency (100 Hz) - (c1) [Hz], Sine resonance frequency (300 Hz) - (c1) [Hz]
Article Number: 2011035
Description: Qualification of the main and transverse movement with evaluation of the disturbance sensitivity as an interaction between test specimen and testing machine, Measurement of the characteristic resonance frequencies of the test specimen
Category: physical mechanical testing material testing environmental testing
Accreditation: This proficiency test is not included in the scope of the accreditation.
additional shakers are charged with 50% of the proficiency testing price
Shipping at room temperature March 2027 Add to cart
Vibration IEC 60068-2-6, -2-64 (round 2)
Parameters (quantitative): Swept sine excitation (a1) [m/s² (peak)], Swept sine excitation - log10 (a1) [log10 m/s² (peak)], Broad band random acceleration excitation (a2) [(m/s²)²/Hz], Broad band random acceleration excitation - log10 (a2) [log10 (m/s²)²/Hz], Sine resonance frequency (a3) [Hz], Swept sine excitation traverse movement (b1) [m/s² (peak)], Swept sine excitation traverse movement - log10 (b1) [log10 m/s² (peak)], Broad band random acceleration traverse movement (b2) [(m/s²)²/Hz], Broad band random acceleration traverse movement - log10 (b2) [log10 (m/s²)²/Hz], Sine resonance frequency (100 Hz) - (c1) [Hz], Sine resonance frequency (300 Hz) - (c1) [Hz]
Article Number: 2011107
Description: Qualification of the main and transverse movement with evaluation of the disturbance sensitivity as an interaction between test specimen and testing machine, Measurement of the characteristic resonance frequencies of the test specimen
Category: physical mechanical testing material testing environmental testing
Accreditation: This proficiency test is not included in the scope of the accreditation.
additional shakers are charged with 50% of the proficiency testing price
Unfortunately, no further booking is possible this year.
Shipping at room temperature March 2025
Vibration IEC 60068-2-6, -2-64 (round 2)
Article Number: 2011107
April 2026 Add to cart
Vibration IEC 60068-2-6, -2-64 (round 2)
Article Number: 2011107
April 2027 Add to cart
Vicat softening point ISO 306
Parameters (quantitative): Vicat softening point [°C]
Article Number: 2010775
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature April 2026 Add to cart
Vicat softening point ISO 306
Article Number: 2010775
April 2027 Add to cart
Viscosity number (formic acid) ISO 307
Parameters (quantitative): Viscosity number [cm³/g]
Article Number: 2010858
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature March 2026 Add to cart
Viscosity number (formic acid) ISO 307
Article Number: 2010858
March 2027 Add to cart
Viscosity number (sulfuric acid) ISO 307
Parameters (quantitative): Viscosity number [cm³/g]
Article Number: 2010795
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature March 2026 Add to cart
Viscosity number (sulfuric acid) ISO 307
Article Number: 2010795
March 2027 Add to cart
Viscosity number of PBT ISO 1628-5
Parameters (quantitative): Viscosity number (m-cresol) [cm³/g]
Article Number: 2010859
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature March 2026 Add to cart
Viscosity number of PBT ISO 1628-5
Article Number: 2010859
March 2027 Add to cart
Visual determination of insects in flour
Parameters (qualitative): qualitative detection of insects [-]
Parameters (quantitative): quant. determination of insect residues [% (w/w)], number of whole insects [number/kg]
Article Number: 2011217
Description: This proficiency test may contain various insect species that are stock pests, e.g. Sitophilus granarius, Ephestia kuehniella, Tenebrio molitor.
Category: chemical-physical testing food and feed cereals, cereal products
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping September 2026 Add to cart
Visual determination of insects in flour
Parameters (qualitative): qualitative detection of insects [-]
Article Number: 2011217
September 2027 Add to cart
Visual evaluation with grey scale ISO 105 A02, A03
Parameters (quantitative): Grey scale (change in colour) [grade], Grey scale (staining) [grade]
Article Number: 2010026
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature April 2026 Add to cart
Visual evaluation with grey scale ISO 105 A02, A03
Article Number: 2010026
April 2027 Add to cart
Vitamin solution
Parameters (quantitative): thiamine (vitamin B1) as thiamine chloride [mg/100 ml], riboflavine (vitamin B2) as total vitamin B2 [mg/100 ml], niacin (vitamin B3) [mg/100 ml], pantothenic acid (vitamin B5) [mg/100 ml], pyridoxine (vitamin B6) [mg/100 ml], folic acid (vitamin B11) [µg/100 ml], cyanocobalamin (vitamin B12) [µg/100 ml], L-ascorbic acid [mg/100 ml], α-tocopherol (vitamin E) [mg/100 ml], riboflavin [mg/100 ml], flavin mononucleotide [mg/100 ml], total ascorbic acid (vitamin C) [mg/100 ml], dehydroascorbic acid [mg/100 ml]
Article Number: 2010021
Category: chemical-physical testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping May 2026 Add to cart
Vitamin solution
Article Number: 2010021
May 2027 Add to cart
Vitamins in edible oils
Parameters (quantitative): retinol (vitamin A) as all-E-retinol [µg/100 g], total vitamin D [µg/100 g], α-tocopherol (vitamin E) [mg/100 g], vitamin K1 [µg/100 g]
Article Number: 2011362
Category: chemical-physical testing food and feed fats, oils and oilseeds
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New proficiency testing
Refrigerated shipping September 2026 Add to cart
Vitamins in edible oils
Article Number: 2011362
September 2027 Add to cart
1 Parameters with this label depend on the number of participants and/or the choice of materials.
Under certain circumstances, this parameter may not be available in the proficiency test.