
Development, production and distribution of spectroradiometers, spectrometers and readout electronics (200–1100 nm).

JETI Technische Instrumente GmbH
JenaNew on Amplifa
About JETI Technische Instrumente
JETI Technische Instrumente GmbH was founded in Jena in 1998 by three former Zeiss employees and develops, produces and distributes spectroscopic measuring instruments: spectroradiometers of the specbos, spectraval and UCS-1 series, the DE50 spectrometer as well as universal and custom readout electronics (PE6000, PE60_2, SDCM4, SDCM3) for various image sensor types. The instruments cover the wavelength range from 200 to 1100 nm (UV/VIS/NIR) and measure spectral radiance and irradiance. In addition to accessories (diffusers, filters, flicker meters, integrating spheres, add-on optics for VR/AR), the company offers NIST-traceable recalibration, service and software (JETI LiVal, VersaSpec, SDK). All products are manufactured in Germany. The measurement systems are used, among other things, in display and projector manufacturing, the LED and lighting industry, cinema projection, VR/AR, laboratories and production, and for photobiological safety measurement according to IEC 62471. The company employs around 20 people at its Jena site and works with a distributor network on four continents as well as institutes, universities and companies.
- Site
- Jena
- Processes
- NIST-traceable recalibration and device service (spectroradiometers, spectrometers), Spectral radiance calibration of spectroradiometers (with OL 455, Gooch & Housego, traceable, Spectral irradiance calibration (OL 200/UV 40, Gooch & Housego, traceable to NIST), Spectral radiant flux calibration (Wi40/G, Osram, traceable to PTB), Wavelength check and recalibration with low-pressure discharge lamps (HgAr, Cd), Light measurements: spectral radiance, spectral irradiance (measurement modes); UV/VIS/NIR 200 nm, Flicker measurement (lamps/displays), Photobiological safety measurements according to IEC 62471
- Certificates
- NIST/PTB-traceable calibration, Calibration certificate, ISO 9001
- Founded
- 1998
- Employees
- 20
- Industries
- Display and projector manufacturing, LED and lighting industry, Laboratory and production, Photobiological safety, Cinema projection, VR/AR
- 01
Development (optics, electronics, mechanics, software)
- 02
Production and assembly Made in Germany
- 03
NIST/PTB-traceable calibration
- 04
Distribution via distributor network
- 05
Recalibration, service and software support
Locations

Jena
DEDevelopment, production, calibration and service
- Materials
- Optics, electronics, mechanics, software
- Calibration standards OL 455 and OL 200/UV 40 (Gooch & Housego, NIST-traceable)
- Radiant flux standard Wi40/G (Osram, PTB-traceable)
- Low-pressure discharge lamps HgAr, Cd
- Reference device Konica Minolta CS-2000
- Double monochromator (EFRE project)
Products





Inside the production






Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| NIST-traceable recalibration and device service (spectroradiometers, spectrometers)Testing | – | – | – | – | – |
| Spectral radiance calibration of spectroradiometers (with OL 455, Gooch & Housego, traceableTesting | – | – | – | – | – |
| Spectral irradiance calibration (OL 200/UV 40, Gooch & Housego, traceable to NIST)Testing | – | – | – | – | – |
| Spectral radiant flux calibration (Wi40/G, Osram, traceable to PTB)Testing | – | – | – | – | – |
| Wavelength check and recalibration with low-pressure discharge lamps (HgAr, Cd)Testing | – | – | – | – | – |
| Light measurements: spectral radiance, spectral irradiance (measurement modes); UV/VIS/NIR 200 nmTesting | – | – | – | – | – |
| Flicker measurement (lamps/displays)Testing | – | – | – | – | – |
| Photobiological safety measurements according to IEC 62471Testing | – | – | – | – | – |
| Reflectance measurement of displaysTesting | – | – | – | – | – |
| Development and production of spectroscopy instruments (optics, electronics, mechanics, software) –Engineering | – | – | – | – | – |
12 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Spectroradiometer JETI specbos 2511 (incl. variants -NIR, -UV, -HiRes, -focus) | JETI specbos 2511 | – | 200 nm ... 1100 nm | – | Jena |
| Spectroradiometer JETI specbos 2501 (incl. variants -UV, -NIR, -HiRes, -focus, -LAN, -trigger) | JETI specbos 2501 | – | 200 nm ... 1100 nm | – | Jena |
| Spectroradiometer JETI spectraval 1511 (incl. -HiRes, -NIR, -focus) | JETI spectraval 1511 | – | 200 nm ... 1100 nm | – | Jena |
| Spectroradiometer JETI spectraval 1501 (incl. -HiRes, -NIR, -focus, -LAN) | JETI spectraval 1501 | – | 200 nm ... 1100 nm | – | Jena |
| Spectroradiometer JETI specbos 1211-2 (incl. -UV-2, -focus-2, -LAN-2, -BT-2, -RS-2) | JETI specbos 1211-2 | – | – | – | Jena |
| Spectrometer JETI DE50 | JETI DE50 | – | 200 nm ... 1100 nm | – | Jena |
| Readout electronics PE6000 | JETI PE6000 | – | – | – | Jena |
| Readout electronics PE60_2 | JETI PE60_2 | – | – | – | Jena |
| Readout electronics SDCM4 | JETI SDCM4 | – | – | – | Jena |
| Readout electronics SDCM3 | JETI SDCM3 | – | – | – | Jena |
| Integrating sphere (Ulbricht sphere, accessory) | – | – | – | – | Jena |
| Reference device CS-2000 (Konica Minolta) for instrument comparison tests | Konica Minolta CS-2000 | – | – | – | Jena |
Additional services
Quality and Traceability
JETI offers NIST- or PTB-traceable recalibration for all instruments with calibration certificate, including spectral radiance, irradiance and radiant flux calibration as well as wavelength checks with discharge lamps. Stability and instrument comparison are verified through automated test measurements against a reference device (Konica Minolta CS-2000).
| Evidence | Jena |
|---|---|
| NIST/PTB-traceable calibration | |
| Calibration certificate | |
| ISO 9001 |
History
- 1998
Founding of JETI Technische Instrumente GmbH in Jena by three former Zeiss employees
- 2025
Start of the funded joint project PANDIA with IMMS and X-FAB to develop application-specific line sensor chips for spectroradiometers
- 2025
InnoInvest project for the acquisition of two light standards for spectral radiance calibration