S
Stopwatch
Typical Applications
- Production
- Laboratory
- Quality Control
Calibration Availability
Available under the accredited scope where applicable.
Scope Detail
Time & Frequency Calibration
Calibration support for time, frequency and pulse-count instruments used in laboratories, production and quality control.
ANAB AC-3279
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Traceable time, frequency and pulse-count calibration support for laboratory and industrial applications.
Audit-ready
Traceable
Certificate support
Supported Instruments
Time & frequency instruments supported
Instrument families represented in the verified ANAB AC-3279 time and frequency scope.
T
Timer
Typical Applications
- Production
- Laboratory
- Quality Control
Calibration Availability
Available under the accredited scope where applicable.
F
Frequency Meter
Typical Applications
- Production
- Laboratory
- Quality Control
Calibration Availability
Available under the accredited scope where applicable.
F
Frequency Counter
Typical Applications
- Production
- Laboratory
- Quality Control
Calibration Availability
Available under the accredited scope where applicable.
F
Frequency Source
Typical Applications
- Production
- Laboratory
- Quality Control
Calibration Availability
Available under the accredited scope where applicable.
P
Pulse Counter
Typical Applications
- Production
- Laboratory
- Quality Control
Calibration Availability
Available under the accredited scope where applicable.
P
Pulse Source
Typical Applications
- Production
- Laboratory
- Quality Control
Calibration Availability
Available under the accredited scope where applicable.
D
Device Input / Measurement Function
Typical Applications
- Production
- Laboratory
- Quality Control
Calibration Availability
Available under the accredited scope where applicable.
D
Device Output Function
Typical Applications
- Production
- Laboratory
- Quality Control
Calibration Availability
Available under the accredited scope where applicable.
Capability Summary
Time & frequency calibration capability summary
Accreditation
ANAB AC-3279 applies to the verified time, frequency and pulse rows shown on this page.
Measurement capability
Verified coverage includes stopwatch and timer calibration from 0.1 seconds to 9 hours, frequency input and output from 0.1 Hz to 50,000 Hz, and pulse counters and sources from 0.6 to 9,999,999 counts.
Traceability
Calibration results use traceable reference standards, controlled procedures and certificate review.
Certificate
A calibration certificate is provided after service completion to support quality and audit records.
Accredited Scope
Accredited Calibration Capability
Verified ranges and expanded measurement uncertainty from the applicable accredited scope.
Program
ANAB AC-3279
13 verified evidence rows
Official SectionTime and FrequencyShow 13 Evidence RowsHide Evidence Rows
Parameter / Equipment
Stopwatch / Timer
- Type / Subtype
- General
- Accreditation program
- ANAB AC-3279
- Service Location
- onsite-available
1 Range Rows
RangeCMC / Expanded Uncertainty
Range
0.1 s to 9 h
CMC / Expanded Uncertainty
0.038 sec
Evidence DetailsShowHide
- Source Row 1
- 0.1 s to 9 h / 0.038 sec
- Method
- SK-WI-008 Comparison to Frequency counter
- Source Group
- Stopwatch / Timer
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
Parameter / Equipment
Frequency – Source Frequency Meters / Device Input / Measurement Function
- Type / Subtype
- General
- Accreditation program
- ANAB AC-3279
- Service Location
- onsite-available
5 Range Rows
RangeCMC / Expanded Uncertainty
Range
(0.1 to 5) Hz
CMC / Expanded Uncertainty
0.003 Hz
Range
(>5 to 50) Hz
CMC / Expanded Uncertainty
0.055 Hz
Range
(>50 to 500) Hz
CMC / Expanded Uncertainty
0.06 Hz
Range
(>500 to 5 000) Hz
CMC / Expanded Uncertainty
0.6 Hz
Range
(>5 000 to 50 000) Hz
CMC / Expanded Uncertainty
3.2 Hz
Evidence DetailsShowHide
- Source Row 1
- (0.1 to 5) Hz / 0.003 Hz
- Method
- SK-WI-023 Comparison to Multifunction calibrator
- Source Group
- Frequency – Source / Frequency Meters / Device Input/Measurement Function
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
- Source Row 2
- (>5 to 50) Hz / 0.055 Hz
- Method
- SK-WI-023 Comparison to Multifunction calibrator
- Source Group
- Frequency – Source / Frequency Meters / Device Input/Measurement Function
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
- Source Row 3
- (>50 to 500) Hz / 0.06 Hz
- Method
- SK-WI-023 Comparison to Multifunction calibrator
- Source Group
- Frequency – Source / Frequency Meters / Device Input/Measurement Function
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
- Source Row 4
- (>500 to 5 000) Hz / 0.6 Hz
- Method
- SK-WI-023 Comparison to Multifunction calibrator
- Source Group
- Frequency – Source / Frequency Meters / Device Input/Measurement Function
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
- Source Row 5
- (>5 000 to 50 000) Hz / 3.2 Hz
- Method
- SK-WI-023 Comparison to Multifunction calibrator
- Source Group
- Frequency – Source / Frequency Meters / Device Input/Measurement Function
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
Parameter / Equipment
Frequency – Frequency Sources / Device Output Function
- Type / Subtype
- General
- Accreditation program
- ANAB AC-3279
- Service Location
- onsite-available
5 Range Rows
RangeCMC / Expanded Uncertainty
Range
(0.1 to 5) Hz
CMC / Expanded Uncertainty
0.003 Hz
Range
(>5 to 50) Hz
CMC / Expanded Uncertainty
0.055 Hz
Range
(>50 to 500) Hz
CMC / Expanded Uncertainty
0.060 Hz
Range
(>500 to 5 000) Hz
CMC / Expanded Uncertainty
0.60 Hz
Range
(>5 000 to 50 000) Hz
CMC / Expanded Uncertainty
3.2 Hz
Evidence DetailsShowHide
- Source Row 1
- (0.1 to 5) Hz / 0.003 Hz
- Method
- SK-WI-024 by comparison with Multimeter
- Source Group
- Frequency – Sources / Frequency Device Output Function
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
- Source Row 2
- (>5 to 50) Hz / 0.055 Hz
- Method
- SK-WI-024 by comparison with Multimeter
- Source Group
- Frequency – Sources / Frequency Device Output Function
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
- Source Row 3
- (>50 to 500) Hz / 0.060 Hz
- Method
- SK-WI-024 by comparison with Multimeter
- Source Group
- Frequency – Sources / Frequency Device Output Function
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
- Source Row 4
- (>500 to 5 000) Hz / 0.60 Hz
- Method
- SK-WI-024 by comparison with Multimeter
- Source Group
- Frequency – Sources / Frequency Device Output Function
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
- Source Row 5
- (>5 000 to 50 000) Hz / 3.2 Hz
- Method
- SK-WI-024 by comparison with Multimeter
- Source Group
- Frequency – Sources / Frequency Device Output Function
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
Parameter / Equipment
Pulse – Pulse Counters
- Type / Subtype
- General
- Accreditation program
- ANAB AC-3279
- Service Location
- onsite-available
1 Range Rows
RangeCMC / Expanded Uncertainty
Range
(0.6 to 9 999 999) Counts
CMC / Expanded Uncertainty
1.8 Counts
Evidence DetailsShowHide
- Source Row 1
- (0.6 to 9 999 999) Counts / 1.8 Counts
- Method
- SK-WI-023 Comparison to Multifunction calibrator
- Source Group
- Pulse – Pulse Counters
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 8
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
Parameter / Equipment
Pulse – Pulse Sources
- Type / Subtype
- General
- Accreditation program
- ANAB AC-3279
- Service Location
- onsite-available
1 Range Rows
RangeCMC / Expanded Uncertainty
Range
(0.6 to 9 999 999) Counts
CMC / Expanded Uncertainty
1.8 Counts
Evidence DetailsShowHide
- Source Row 1
- (0.6 to 9 999 999) Counts / 1.8 Counts
- Method
- SK-WI-024 by comparison using Multimeter
- Source Group
- Pulse – Pulse Sources
- Source Document
- ANAB AC-3279 scope version 004, last updated 26 January 2026
- Source Page
- 9
- Medium / Condition
- Service Location
- onsite-available
- Reference Equipment
On-site calibration is available for this parameter. Actual on-site measurement uncertainty may be greater than the CMC shown in the accredited scope.
Calibration Process
From quotation request to delivery
Request
Quotation
Receive Instrument
Calibration
Quality Review
Certificate
Delivery
FAQ
Calibration Questions
Which time and frequency instruments can SK calibrate?+
The verified scope includes stopwatch, timer, frequency input and output functions, pulse counters and pulse sources, subject to the listed ranges and methods.
Is time and frequency calibration accredited?+
The verified rows shown on this page are under ANAB AC-3279.
Where can I check the exact range and CMC?+
Use the accredited capability table on this page and confirm against the latest official ANAB AC-3279 document.
What is required for a quotation?+
Please provide instrument type, brand, model, range, required points, quantity, service location and required completion date.
Official Accreditation
Verified governing documents
These official accreditation documents define the verified calibration capability for this service.
Status
Active
Accreditation Programs
RELATED SERVICES
Complementary calibration support
Explore related calibration capabilities commonly requested alongside this service.
ANAB AC-3279
Speed Calibration
Speed calibration for tachometer and rotational speed instruments represented in the ANAB scope.
- Tachometer
- RPM Meter
- Non-contact Tachometer
TISI 0261ANAB AC-3279
Electrical Calibration
Electrical calibration limited to specified ANAB AC-3279 DC electrical quantities.
- Temperature Indicator - Resistance Thermometer
- Temperature Indicator - Thermocouple
- DC Voltage
ANAB AC-3279
Torque Calibration
Torque calibration support for hand torque tools and rotational-force measurement instruments.
- Torque Wrench
- Torque Driver
- Torque Meter
Ready to calibrate?
Request a time & frequency quotation
Send your instrument details and required schedule. Our team will confirm the applicable capability.