Name Planned shipping method Start Date  
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 (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.
Is currently underway. Can still be booked.
Shipping at room temperature March 2025 Add to cart
Viscosity number (sulfuric acid) ISO 307
Article Number: 2010795
March 2026 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.
Is currently underway. Can still be booked.
Shipping at room temperature March 2025 Add to cart
Viscosity number of PBT ISO 1628-5
Article Number: 2010859
March 2026 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 2025 Add to cart
Visual evaluation with grey scale ISO 105 A02, A03
Article Number: 2010026
April 2026 Add to cart
Voltage dips, short interruptions, voltage variations immunity IEC 61000-4-11
Article Number: 2011063
Description: The EMC test object consists of a tabletop unit with 230 VAC / 50 Hz / 10 A supply connection (single-phase). Operation via an integrated touch display with intuitive user interface.
Category: physical mechanical testing material testing electromagnetic compatibility
Accreditation: This proficiency test is not included in the scope of the accreditation.
additional test chambers or additional test places are charged with 50% of the proficiency testing price
Unfortunately, no further booking is possible this year.
Shipping at room temperature October 2024
Voltage dips, short interruptions, voltage variations immunity IEC 61000-4-11
Article Number: 2011063
May 2025 Add to cart
Voltage dips, short interruptions, voltage variations immunity IEC 61000-4-11
Article Number: 2011063
May 2026 Add to cart
Volume resistivity IEC 62631-3-1, VDE 0307-3-1
Parameters (quantitative): Volume resistivity [E+05 Ω], Specific volume resistivity [E+05 Ωm]
Article Number: 2010549
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 Add to cart
Volume resistivity IEC 62631-3-1, VDE 0307-3-1
Article Number: 2010549
May 2026 Add to cart
Wall thickness measurement of plastic pipes
Parameters (quantitative): Wall thickness [mm], Outer diameter [mm]
Article Number: 2010980
Description: Possible testing e.g. by ISO 3126 or ASTM D2122
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature March 2026 Add to cart
Wash scratch resistance (Amtec-Kistler) DBL 5425 (A.1.17)
Parameters (quantitative): Residual gloss [%], Residual gloss following reflow [%]
Article Number: 2010543
Category: physical mechanical testing material testing plastics (painting)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 Add to cart
Wash scratch resistance (Amtec-Kistler) DBL 5425 (A.1.17)
Article Number: 2010543
May 2026 Add to cart
Water absorption by cold water absorption EN 772-21
Article Number: 2010605
Category: physical mechanical testing material testing masonry units
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature November 2025 Add to cart
Water absorption by cold water absorption EN 772-21
Article Number: 2010605
November 2026 Add to cart
Water absorption coefficient by partial immersion ISO 15148
Parameters (quantitative): water absorption coefficient Ww [kg/(m2h0,5)]
Article Number: 2010282
Category: chemical-physical testing material testing mineral building materials
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature November 2025 Add to cart
Water absorption coefficient by partial immersion ISO 15148
Article Number: 2010282
November 2026 Add to cart
Water absorption ISO 62
Parameters (quantitative): Water absorbed (24h) [%], Water content at saturation [%]
Article Number: 2010796
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 April 2025 Add to cart
1 Parameter mit dieser Kennzeichnung sind abhangig von der Teilnehmerzahl und/oder der Materialauswahl.
Unter Umständen kann es vorkommen, dass dieser Parameter im Ringversuch nicht zur Verfügung steht.