SELA Co., Ltd.
About
SELA Co., Ltd. works from Yokone in Saku, Nagano Prefecture, in the highland industrial belt of central Japan, and combines manufacture of electrical measuring instruments with an EMC test service. The laboratory's distinguishing features are its open area test site and its accreditation route: SELA is accredited by A2LA, the American Association for Laboratory Accreditation, rather than through the Japanese bodies JAB or VLAC that most domestic laboratories use. That matters practically, because an A2LA scope routes reports directly into United States acceptance, and it is a deliberate choice for a laboratory serving exporters. The open site is the other point of difference - an outdoor test range measures radiated emissions without the chamber reflections and site attenuation corrections an enclosed room requires, and remains the reference method against which chambers are validated, so a result obtained there can resolve a borderline chamber measurement rather than merely repeat it. Published services centre on EMC test work, EMI measurement and noise measurement, supporting CE marking, FCC and VCCI compliance, with the instrument-manufacturing side of the business giving it in-house measurement engineering. Its position in Nagano puts it close to the precision instrument, electronics and machine tool manufacturers concentrated around Suwa and Saku, a cluster historically underserved by EMC capacity compared with the Tokyo and Kansai corridors.
Accreditations
| Accreditation |
|---|
| ISO/IEC 17025 |
| A2LA |
| VCCI (Japan) |
| FCC Listed |
Testing Services
| Test Type | Applicable Standards |
|---|---|
| Radiated Emissions | CISPR 11, CISPR 32, CISPR 14-1, VCCI-CISPR 32, EN 55011, EN 55032, FCC Part 15B, ANSI C63.4, IEC 61000-6-3, IEC 61000-6-4 |
| Conducted Emissions | CISPR 11, CISPR 32, CISPR 14-1, VCCI-CISPR 32, EN 55011, EN 55032, FCC Part 15B, ANSI C63.4, IEC 61000-6-3, IEC 61000-6-4 |
| Radiated Immunity | IEC 61000-4-3, EN 61000-4-3, CISPR 35, IEC 61000-6-1, IEC 61000-6-2 |
| Conducted Immunity | IEC 61000-4-6, EN 61000-4-6, CISPR 35, IEC 61000-6-1, IEC 61000-6-2 |
| ESD | IEC 61000-4-2, EN 61000-4-2 |
| EFT/Burst | IEC 61000-4-4, EN 61000-4-4 |
| Surge Immunity | IEC 61000-4-5, EN 61000-4-5 |
| Harmonics & Flicker | IEC 61000-3-2, EN 61000-3-2, IEC 61000-3-3, EN 61000-3-3 |
| Voltage Dips/Interrupts | IEC 61000-4-11, EN 61000-4-11 |
| Pre-Compliance Testing | CISPR 32, CISPR 11, ANSI C63.4, VCCI-CISPR 32, FCC Part 15B |
Certifications / Marks
| Certification |
|---|
| CE |
| FCC |
| VCCI |
| A2LA accredited reports |
Industries Served
| Industry |
|---|
| Industrial Equipment |
| Consumer Electronics |
| Information Technology |
| Household Appliances |
Major Equipment
| Equipment |
|---|
| Open area test site (OATS) for radiated emission measurement |
| EMI measurement and noise measurement instrumentation |
| EMI receiver |
| Spectrum analyser |
| LISN |
| CDN |
| ESD simulator |
| EFT/burst generator |
| Surge generator |
| Harmonics and flicker analyser |
| RF immunity amplifier and antennas |
| In-house electrical measuring instrument manufacture and engineering |
