Name Planned shipping method Start Date  
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 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 2026 Add to cart
Water (ranking test, basic tastes) 1
Parameters (qualitative): organoleptic testing - basic taste (2 basic tastes)
Article Number: 3010000
Description: Possible methods for participation, e.g.: ISO 8587
Category: sensory testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
The proficiency test price includes one test person; an additional sample set must be booked for each additional test person.
Refrigerated shipping February 2026 Add to cart
Water (ranking test, basic tastes) 3
Parameters (qualitative): organoleptic testing - basic taste (2 basic tastes)
Article Number: 3010030
Description: Possible methods for participation, e.g.: ISO 8587
Category: sensory testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
The proficiency test price includes one test person; an additional sample set must be booked for each additional test person.
Refrigerated shipping November 2025 Add to cart
Water (ranking test, basic tastes) 3
Parameters (qualitative): organoleptic testing - basic taste (2 basic tastes)
Article Number: 3010030
November 2026 Add to cart
Water (ranking test, basic tastes) 2
Parameters (qualitative): organoleptic testing - basic taste (2 basic tastes)
Article Number: 3010028
Description: Possible methods for participation, e.g.: ISO 8587
Category: sensory testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
The proficiency test price includes one test person; an additional sample set must be booked for each additional test person.
Refrigerated shipping June 2026 Add to cart
Water (triangle test, basic taste)
Parameters (qualitative): organoleptic testing - triangle test basic taste
Article Number: 3010006
Description: Possible methods for participation, e.g.: ISO 4120
Category: sensory testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
The proficiency test price includes one test person; an additional sample set must be booked for each additional test person.
Unfortunately, no further booking is possible this year.
Refrigerated shipping July 2025
Water (triangle test, basic taste)
Parameters (qualitative): organoleptic testing - triangle test basic taste
Article Number: 3010006
July 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 2026 Add to cart
Water content (Aquatrac®) CaH2-Method ISO 15512
Parameters (quantitative): Water content [%]
Article Number: 2010865
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 2026 Add to cart
Water content (Karl-Fischer) ISO 15512
Parameters (quantitative): Water content [%]
Article Number: 2010793
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 2026 Add to cart
Water Vapor Transmission ASTM E96 (BW)
Parameters (quantitative): water vapor transmission rate WVTR [g/m²·24h], water vapor permeance WVP [ng/Pa·s·m2]
Article Number: 2010237
Category: chemical-physical testing material testing textiles
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2026 Add to cart
Water vapour transmission rate (IR sensor) ISO 15106-2
Article Number: 2010518
Category: chemical-physical testing material testing films
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature March 2026 Add to cart
Water vapour transmission rate ISO 15106-3
Parameters (quantitative): Water vapour transmission rate [g/(m² x d)]
Article Number: 2010847
Category: chemical-physical testing material testing films
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature March 2026 Add to cart
Water-soluble chloride salts - potentiometry EN 1744-1
Article Number: 2011187
Category: chemical-physical testing material testing aggregates
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature November 2025 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.