Name Planned shipping method Start Date  
Sugar substitutes in food
Parameters (quantitative): Isomalt (sum of GPS and GPM) (anhydrous) [g/100 ml], Lactitol (anhydrous) [g/100 ml], Maltitol (anhydrous) [g/100 ml], Mannitol (anhydrous) [g/100 ml], Sorbitol (anhydrous) [g/100 ml], Xylitol (anhydrous) [g/100 ml]
Article Number: 2010359
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.
Shipping at room temperature August 2027 Add to cart
Sulfite-reducing, spore-forming anaerobes mineral water
Parameters (qualitative): sulfite-reducing, spore-forming anaerobes qualitative
Article Number: 2010952
Description: water quality Detection of sulfite-reducing, spore-forming anaerobes
Category: immunological, molecular biological and microbiological testing food and feed mineral water and table water
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping August 2026 Add to cart
Sulfite-reducing, spore-forming anaerobes mineral water
Parameters (qualitative): sulfite-reducing, spore-forming anaerobes qualitative
Article Number: 2010952
August 2027 Add to cart
Sunlight simulation DIN 75220 D-IN1-T, VDA 230-219
Parameters (quantitative): Evaluation by participant: Change in colour with greyscale and colour measurement ΔE*-value, Evaluation by DRRR: Change in colour ΔE*-value
Article Number: 2010846
Description: For this Proficiency test a return of the tested samples is required!
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
Sunlight simulation DIN 75220 D-IN1-T, VDA 230-219
Article Number: 2010846
April 2027 Add to cart
Surface coating thickness ISO 17186
Parameters (quantitative): thickness of the surface coating [µm]
Article Number: 2010709
Category: physical mechanical testing material testing leather
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature April 2026 Add to cart
Surface coating thickness ISO 17186
Article Number: 2010709
April 2027 Add to cart
Surface resistance IEC 62631-3-2, VDE 0307-3-2
Parameters (quantitative): Surface resistance RSC [E+05 Ω], Spezific Surface resistance σC [E+05 Ω]
Article Number: 2010547
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
Surface resistance IEC 62631-3-2, VDE 0307-3-2
Article Number: 2010547
May 2027 Add to cart
Surface resistivity EN 1149-1
Parameters (quantitative): Surface resistance R [Ω], Specific surface resistance ρ [Ω]
Article Number: 2010096
Category: chemical-physical testing material testing protective clothing
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2026 Add to cart
Surface resistivity EN 1149-1
Article Number: 2010096
May 2027 Add to cart
Surface testing - enumeration aerobic bacteria
Parameters (quantitative): aerobic total count [cfu/100 cm²]
Article Number: 2010191
Description: Hygiene testing on (plastic) surface samples; testing using swab, sponge, and contact printing methods
Category: immunological, molecular biological and microbiological testing consumer goods and packaging plastic surface
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Refrigerated shipping September 2026 Add to cart
Surface testing - enumeration aerobic bacteria
Article Number: 2010191
September 2027 Add to cart
Surface testing - enumeration Enterobacteriaceae
Parameters (quantitative): Enterobacteriaceae [cfu/100 cm²]
Article Number: 2011299
Description: Hygiene testing on (plastic) surface samples; testing using swab, sponge, and contact printing methods. Process-specific evaluation if necessary.
Category: immunological, molecular biological and microbiological testing consumer goods and packaging plastic surface
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
New proficiency testing
Refrigerated shipping September 2026 Add to cart
Surface testing - enumeration Enterobacteriaceae
Article Number: 2011299
September 2027 Add to cart
Surface testing - enumeration Listeria spp.
Parameters (quantitative): Listeria spp. [cfu/100 cm²]
Article Number: 2011300
Description: Hygiene testing on (plastic) surface samples; testing using swab method
Category: immunological, molecular biological and microbiological testing consumer goods and packaging plastic surface
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
New proficiency testing
Refrigerated shipping September 2026 Add to cart
Surface testing - enumeration Listeria spp.
Article Number: 2011300
September 2027 Add to cart
Surface testing - enumeration moulds
Parameters (quantitative): moulds [cfu/100 cm²]
Article Number: 2010119
Description: Hygiene testing on (plastic) surface samples; testing using swab, sponge, and contact printing methods
Category: immunological, molecular biological and microbiological testing consumer goods and packaging plastic surface
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Refrigerated shipping September 2026 Add to cart
Surface testing - enumeration moulds
Article Number: 2010119
September 2027 Add to cart
Surge immunity IEC 61000-4-5
Parameters (quantitative): Amplitude L-PE (+ 2000 Vpk) - Minimum value [Vpeak], Amplitude N-PE (+ 2000 Vpk) - Minimum value [Vpeak], Amplitude at L-N (+ 1000 Vpk) - Minimum value [Vpeak], Amplitude L-PE (- 2000 Vpk) - Minimum value [Vpeak], Amplitude N-PE (- 2000 Vpk) - Minimum value [Vpeak], Amplitude at L-N (- 1000 Vpk) - Minimum value [Vpeak], Rise Time - Mean value [µs], Pulse Width - Mean value [µs]
Article Number: 2011058
Description: The EMC test object consists of a tabletop unit with various supply connection options suitable for the specific task, e.g. 230V / 50 Hz, 12 V DC, 28 V DC. 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 August 2025
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.