The concept of service is not well suited to a fusion research experiment: users come to TJ-II with proposals for plasma experiments or proposals to test new instrumentation techniques.

metal bolometers for tomography of the global radiation emission.

Injects selcted trace impurities, used for measurement of the particle confinement time.

used to monitor edge parameters.

Monitoring of line emission from impurities.

Several systems: swept frequency for electron density profile measurements, stationary frequency system for turbulence studies. Operates in the range 30-70 Ghz.

Determines the ion temperature from the energy distribution of escaping neutrals, generated by charge exchange reactions.

used for edge spectroscopy oriented to measurement of electron density and temperature.

Rubi laser based, uses two dimensional intensified camera. Obtains density and Temperature profile along a full plasma diameter.

able to measure in the range of 100.000 frames/s, used for turbulence studies.

based on a CO2/HeNe dual system, provides line integrated electron density.

several linear cameras for tomography of the SXR emission, linked to the product of electron density and temperature.

same as above, with a 140 GHz beam, useful for lower densities.

20-60 Ghz radiomenter, measures the electron temperature.

used for edge spectroscopy oriented to measurement of electron density and temperature.

Monitoring of line emission from impurities.

measures plasma rotation, from line shift, and ion temperature, from line broadening.

Based on a Cesium beam at 200 KV , used for internal plasma potential measurments.