QLStandard
Florencia No. 37, Int. 704, Col. Juárez, Del. Cuauhtémoc, Ciudad de México, 06600, Mexico, Ciudad de México, Mexico
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What this lab is accredited for
We found no published test standard numbers in this lab’s scope. The full scope as published is below.
Only this lab. Searches the method, matrix and range of each of the 4 scope lines.
A2LA certificate 4077.01 · 4 lines
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | - | Conducting wire; Electronic device; RefrigeratorShow page textExtracted from the scope document; tables may not line up. View scope for the original. (A2LA Cert. No. 4077.01) 05/20/2025 Page 1 of 3
SCOPE OF ACCREDITATION TO ISO/IEC 17043:2023
QUALITY STANDARD & LABORATORY
QLSTANDARD, S.C.
Florencia No. 37, Int. 704
Col. Juárez, Alc. Cuauhtémoc
Ciudad de México, C.P. 06600, MÉXICO
José Enrique Zavala López; Phone: + 52 01 55 52076164 / + 52 01 5570958702
PROFICIENCY TESTING PROVIDER
Valid To: September 30, 2028 Certificate Number: 4077.01
In recognition of the successful completion of the A2LA evaluation process, this Proficiency Testing Provider has
been found to meet the ISO/IEC 17043:2010, “Conformity assessment – General Requirements for Proficiency
Testing”. Accreditation is granted to this organization to provide proficiency testing samples in the follo wing
analyte/matrix combinations:
Identification PT Scheme Measurand (1) Test item
QLS-EA001 Determination of diameter and cross-
sectional area of the electrical conductors
Diameter and Area Conducting wire
QLS-EA002 Protection against access to live parts Qualitative test Electronic
device
QLS-EA004 Leakage current and dielectric resistance
at operating temperature
Qualitative / Current Electronic
device
QLS-EA005 Leakage current and dielectric resistance
Qualitative / Current Electronic
device
QLS-EA006 Input Power and Current
Power and electric
current
Electronic
device
QLS-EA007 Heating Temperature Electronic
device
QLS-EA009 Energy efficiency and freezers and test
temperature abatement or pull down
Energy consumption
and Abatement time
Refrigerator | - |
| 2 | - | Household electric washing machine; Electronic device; Mineral dielectric oil; TiresShow page textExtracted from the scope document; tables may not line up. View scope for the original. (A2LA Cert. No. 4077.01) 05/20/2025 Page 2 of 3
Identification PT Scheme Measurand (1) Test item
QLS-EA010 Energy efficiency of household electric
washing machines
Energy consumption Household
electric washing
machine
QLS-EA011 Dielectric rigidity (insulation
requirements)
Qualitative test Electronic
device
QLS-EA012 Insulation resistance
Resistance Electronic
device
QLS-EA015 Determination of water content by Karl
Fisher
Water content Mineral
dielectric oil
QLS-EA016 Overload protection of transformers and
associated circuits
Temperature Electronic
device
QLS-EA017 Dimensions of the tire (minimum factor
measurement)
Length Tires
QLS-EA018 Behavior of the tire to the speed
Qualitative test Tires
QLS-EA019 Behavior of the tire to the load
Qualitative test Tires
QLS-EA020 Behavior of the tire to the load and the
low inflation pressure
Qualitative test Tires
QLS-EA021 Strength of edge to the dismantling of the
wheel tubeless
Qualitative test Tires
QLS-EA022 Resistance to penetration
Qualitative test Tires | - |
| 3 | - | Tires; Conducting wire; Lamp (lighting); Electronic deviceShow page textExtracted from the scope document; tables may not line up. View scope for the original. (A2LA Cert. No. 4077.01) 05/20/2025 Page 3 of 3
Identification PT Scheme Measurand (1) Test item
QLS-EA023 Resistance to removal of the wheel rim
and temporary refraction radial tubeless
diagonal for cars; Rim resistance to
penetration
Qualitative test Tires
QLS-EA031 Determination of the electrical resistance
to DC
Electric resistance Conducting wire
QLS-EA033 Determination of cross-sectional area of
electrical conductors in function of its
mass
Weight and Area Conducting wire
QLS-EA034 Determination of energy efficiency,
electrical characteristics power factor of a
lamp
Power factor and
luminous efficacity
Lamp (lighting)
QLS-EA041 Temperature rise test
Temperature Electronic
device
1Assigned values and associated uncertainty (if applicable) determined by a reference laboratory. | - |
| 4 | Extracted from the scope document; tables may not line up. View scope for the original. For the proficiency testing schemes to which this accreditation applies, please refer to the provider’s Scope of Accreditation.
Accredited Proficiency Testing Provider
A2LA has accredited
QUALITY STANDARD & LABORATORY
QLSTANDARD, S.C.
Ciudad de México, MÉXICO
This accreditation covers the specific proficiency testing schemes listed on the agreed upon Scope of Accreditation.
This provider is accredited in accordance with the recognized International Standard ISO/IEC 17043: 2023
Conformity assessment - General requirements for the competence of proficiency testing providers. This
accreditation demonstrates technical competence for a defined scope and the operation of a quality management
system.
Presented this 20th day of May 2025.
_______________________
Mr. Trace McInturff, Vice President, Accreditation Services
For the Accreditation Council
Certificate Number 4077.01
Valid to September 30, 2028 | ||
Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.
Location
Florencia No. 37, Int. 704, Col. Juárez, Del. Cuauhtémoc, Ciudad de México, 06600, Mexico, Ciudad de México, MX
19.43263, -99.13318
Open in MapsAccreditation data refreshed from the A2LA register on .
This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the A2LA entry linked above.