Registers refreshed 2026-11-08.See refresh dates
United States

Ditch Witch Compliance Testing Service

1950 West Fir Avenue, 73077, Perry, OK, United States

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A2LA 4911.01A2LA 4911.02ISO/IEC 17025Register refreshed 2026-11-06

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Accredited standards
19
A2LA certificates
2
Site in our directory
1
A2LA accredited scope

What this lab is accredited for

Our reading of the A2LA scope: each standard once, with its official name where we have checked it.

Only this lab. Searches the 19 standard numbers and the 19 official names we hold. When no standard matches, it searches the method text of every scope line.

ISO12
ISO 7637-2Road vehicles - Electrical disturbances from conduction and coupling - Part 2: Electrical transient conduction along supply lines only
ISO 7637-3Road vehicles - Electrical disturbances from conduction and coupling - Part 3: Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines
ISO 10605Road vehicles - Test methods for electrical disturbances from electrostatic discharge
ISO 11451-2Road vehicles - Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy - Part 2: Off-vehicle radiation sources
ISO 11451-4Road vehicles - Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy - Part 4: Harness excitation methods
ISO 11452-2Road vehicles - Component test methods for electrical disturbances from narrowband radiated electromagnetic energy - Part 2: Absorber-lined shielded enclosure
ISO 11452-4Road vehicles - Component test methods for electrical disturbances from narrowband radiated electromagnetic energy - Part 4: Harness excitation methods
ISO 13766-1Earth-moving and building construction machinery - Electromagnetic compatibility (EMC) of machines with internal electrical power supply - Part 1: General EMC requirements under typical electromagnetic environmental conditions
ISO 13766-2Earth-moving and building construction machinery - Electromagnetic compatibility (EMC) of machines with internal electrical power supply - Part 2: Additional EMC requirements for functional safety
ISO 14982Agricultural and forestry machinery - Electromagnetic compatibility - Test methods and acceptance criteria
ISO 16750-2Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 2: Electrical loads
ISO 19014-3Earth-moving machinery - Functional safety - Part 3: Environmental performance and test requirements of electronic and electrical components used in safety-related parts of the control system
IEC 60068 series6
IEC 60068-2-6Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)

Certificate says EN 60068-2-6. Probably the same standard; not checked against the EN document.

IEC 60068-2-14Environmental testing - Part 2-14: Tests - Test N: Change of temperature
IEC 60068-2-27Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock

Certificate says EN 60068-2-27. Probably the same standard; not checked against the EN document.

IEC 60068-2-31Environmental testing - Part 2-31: Tests - Test Ec: Rough handling shocks, primarily for equipment-type specimens
IEC 60068-2-38Environmental testing - Part 2-38: Tests - Test Z/AD: Composite temperature/humidity cyclic test
IEC 60068-2-64Environmental testing - Part 2-64: Tests - Test Fh: Vibration, broadband random and guidance

Certificate says EN 60068-2-64. Probably the same standard; not checked against the EN document.

Other standards1
IEC 60529Degrees of protection provided by enclosures (IP Code)

Read from the A2LA scope documents we downloaded on 2026-10-27. Register refreshed 2026-11-06.

Scope as published by A2LA

5 lines
A2LA

ISO/IEC 17025

Active

4911.01

The scope document we hold says it is valid until 2028-07-31.

View scope

Accredited scope, certificate 4911.01

LineMethodMatrixRange
1ISO 13766‐1; ISO 14982; CISPR 12; CAN/CSA CISPR 12; AS/NZS CISPR 12; EN55012; ISO 7637-2; ISO 13766‐2; ISO 11451-2; ISO 11452-2; ISO 11451-4; ISO 11452-4; ISO 16750-2:2012 Sections 4.6.3 and 4.6.4; ISO 7637-3; ISO 10605:2008; ISO 16750-2:2012 Except Sections 4.11 and 4.12; ISO 19014-3:2018 Sections 5.11, 5.12, and 5.14--
2

Extracted from the scope document; tables may not line up. View scope for the original.

(A2LA Cert. No. 4911.01) final DRAFT 05/27/2026 Page 2 of 2 1When the date, edition, version, etc. is not identified in the scope of accreditation, laboratories may use the version that immediately precedes the current version for a period of one year from the date of publication of the standard test method, per Annex A, Part C of A2LA’s R101 - General Requirements: Accreditation of Conformity Assessment Bodies. 2 This laboratory performs field testing activities for these tests.
3ISO/IEC 17025:2017--

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.

A2LA

ISO/IEC 17025

Active

4911.02

The scope document we hold says it is valid until 2028-07-31.

View scope

Accredited scope, certificate 4911.02

LineMethodMatrixRange
1ISO 19014-3:2018 Section 5.6; IEC 60068‐2‐6; IEC 60068-2-64; ISO 19014-3:2018 Section 5.7; IEC 60068‐2‐27; IEC 60068‐2‐31 (excluding 5.1); ISO 19014-3:2018 Sections 5.2 and 5.5; IEC 60529 (IP5X, IP6X, IPX4, IPX5, IPX6, IPX7, IPX8); ISO 19014-3:2018 Section 5.8; IEC 60068‐2‐14 Test Nb; ISO 19014-3:2018 Section 5.10; IEC 60068‐2‐38; ISO 19014-3:2018 Section 5.9; IEC 60068‐2‐14 Test Na--
2ISO/IEC 17025:2017--

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

1950 West Fir Avenue, Perry, OK, 73077, US

36.29074, -97.28840

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