ISO 17025 Accredited Time, Frequency & Optical Calibration Laboratory
Accurate time, frequency, and optical measurements are essential for electronics, telecommunications, laboratories, manufacturing, research, aerospace, and defense industries. RICI provides ISO 17025 accredited Time Calibration, Frequency Calibration, and Optical Calibration Services using internationally traceable standards and advanced calibration equipment.
Our laboratory performs calibration for oscilloscopes, spectrum analyzers, waveform generators, optical power meters, laser power meters, photometers, timers, and frequency measurement instruments. Whether you require Time Calibration Standards, Frequency Calibration, or support from an experienced Optical Calibration Laboratory, RICI delivers accurate, traceable, and internationally recognized calibration services.
Measurement accuracy directly affects product quality, testing reliability, communication systems, and regulatory compliance. Electronic and optical instruments can drift over time due to aging, environmental conditions, and continuous operation. Calibration intervals should follow manufacturer recommendations, operational requirements, and Calibration Frequency as per ISO 17025.
RICI provides complete calibration services using internationally traceable Calibration Frequency Standards and precision reference equipment.
Verifies timers, stopwatches, electronic timers, and timing devices against certified reference clocks, referencing Atomic Clock Calibration standards where applicable to maintain traceability.
Ensures precise frequency measurements for electronic instruments, including signal frequency verification, frequency counter calibration, and generator frequency verification.
Calibration of analog and digital oscilloscopes from leading manufacturers including Tektronix, Fluke, and Keysight, plus portable ScopeMeters such as the Fluke 123B.
Verifies frequency accuracy, amplitude response, bandwidth, and signal performance, supporting RF laboratories, telecommunications, and aerospace organizations.
Performed within our dedicated Optical Calibration Laboratory using certified optical reference standards for optical measurement systems, testing equipment, and precision optical instruments.
Ensures accurate optical power measurements for fiber optic communication systems, telecommunications, and research laboratories, including fiber optic power meter calibration.
Verifies laser energy and optical power measurements used in research, manufacturing, medical, and industrial applications, including Ophir laser power meter calibration.
Ensures accurate light intensity and chemical analysis measurements, including flame photometer and Lovibond photometer calibration for laboratories and industrial testing.
Verifies output frequency, waveform accuracy, amplitude, and signal quality for electronic testing equipment.
Organizations choose RICI because we deliver accurate and traceable calibration services supported by internationally recognized standards.
Every calibration certificate includes traceability information, measurement results, calibration status, and measurement uncertainty where applicable.
Need professional Time Calibration, Frequency Calibration, or Optical Calibration Services? RICI provides ISO 17025 accredited calibration for oscilloscopes, spectrum analyzers, waveform generators, optical power meters, laser power meters, photometers, timers, frequency counters, and other electronic and optical measurement equipment. Complete the "Send Us a Request" form on this page today, and our calibration specialists will recommend the most suitable calibration solution for your instruments.
Time Calibration verifies the accuracy of timers and time-measuring devices against certified Time Calibration Standards to ensure reliable and traceable measurements.
Frequency Calibration compares an instrument's frequency output or measurement against internationally traceable Calibration Frequency Standards to verify accuracy and performance.
The Calibration Frequency as per ISO 17025 depends on equipment usage, environmental conditions, historical performance, manufacturer recommendations, and quality management requirements. Laboratories should establish documented calibration intervals based on risk and measurement reliability.
Yes. RICI performs Oscilloscope Calibration, including Tektronix Oscilloscope Calibration, portable ScopeMeter calibration, and calibration of oscilloscopes from other major manufacturers.
Yes. We provide Optical Power Meter Calibration, Fiber Optic Power Meter Calibration, Laser Power Meter Calibration, and Ophir Laser Power Meter Calibration using internationally traceable optical standards.
Yes. RICI performs Spectrum Analyzer Calibration, Optical Spectrum Analyzer Calibration, Waveform Generator Calibration, and calibration of various electronic test instruments used in laboratories and industrial environments.
To discover how our services can benefit you, or to receive a free, no commitment quotation, please contact us.
| Test No. | Test Name | ASTM Standard Method | BS Standard Method |
|---|---|---|---|
| 2 | Sampling Freshly Mixed Concrete | ASTM C172 | BS EN 12350-1 |
| 3 | Temperature of Freshly Mixed Hydraulic-Cement Concrete | ASTM C1064 | - |
| 4 | Slump of Hydraulic-Cement Concrete | ASTM C143 | BS EN 12350-2 |
| 5 | Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete | ASTM C138 | BS EN 12350-6 |
| 6 | Air Content of Freshly Mixed Concrete by the Pressure Method | ASTM C231 | BS EN 12350-7 |
| 7 | Making and Curing Concrete Test Specimens in the Field | ASTM C31 | BS EN 12390-1/2 |
| 8 | Density of Hardened Concrete | - | BS EN 12390-7 |
| 9 | Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes | ASTM C511 | - |
| 10 | Capping Cylindrical Concrete Specimens | ASTM C617 | - |
| 11 | Compressive Strength of Cylindrical/ Cubical Concrete Specimens | ASTM C39 | BS EN 12390-3 |
| Serial Number | Test Name | ASTM Standard Method | BS Standard Method |
|---|---|---|---|
| 1 | Sampling Aggregates | ASTM D75 | BS EN 932-1 |
| 2 | Reducing Samples of Aggregate to Testing Size | ASTM C702 | BS EN 932-2 |
| 3 | Aggregate Moisture Content | - | BS 812-109 |
| 4 | Sieve Analysis of Fine and Coarse Aggregates | ASTM C136 | BS EN 933-1 |
| 5 | Material Finer than 75-µm Sieve and 63-µm Sieve in Aggregates by Washing | ASTM C117 | BS EN 933-2 |
| 6 | Clay Lumps and Friable Particles in Aggregates | ASTM C142 | - |
| 7 | Degradation of Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine | ASTM C131 / C535 | - |
| 8 | Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate | ASTM C88 | BS 812-121 |
| 9 | Density, Relative Density (Specific Gravity), and Absorption of Coarse Aggregate | ASTM C127 | BS EN 1097-6 |
| 10 | Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate | ASTM C128 | BS EN 1097-7 |
| Serial Number | Test Name | ASTM Standard Method |
|---|---|---|
| 1 | Standard practice for sampling bituminous paving mixtures | ASTM D979 |
| 2 | Standard test method for moisture or volatile distillates in bituminous paving mixtures | ASTM D1461 |
| 3 | Standard test method for theoretical maximum specific gravity and density of bituminous paving mixtures | ASTM D2041 |
| 4 | Standard test method for quantitative extraction of bitumen from bituminous paving mixtures | ASTM D2172 |
| 5 | Standard test method for bulk specific gravity and density of non-absorptive compacted bituminous mixtures | ASTM D2726 |
| 6 | Standard practice for estimating application rate of bituminous distributors | ASTM D2995 |
| 7 | Standard test method for percent air voids in compacted dense and open bituminous paving mixtures | ASTM D3203 |
| 8 | Standard test method for thickness or height of compacted bituminous paving mixtures specimens | ASTM D3549 |
| 9 | Standard practice for sampling compacted bituminous mixtures for laboratory testing | ASTM D5361 |
| 10 | Standard test method for mechanical size analysis of extracted aggregate | ASTM D5444 |
| 11 | Standard practice for preparation of bituminous specimens using Marshall apparatus | ASTM D6926 |
| 12 | Standard test method for Marshall stability and flow of bituminous mixtures | ASTM D6927 |