Bubley, A.V. Bryzgunov, M.I. Chekavinskiy, V.A. Goncharov, A.D. Gorchakov, K. Gusev, I.A. Panasyuk, V.M. Parkhomchuk, V.V. Reva, V.B. Senkov, D.V. Smirnov, A.V. JACoW Geneva, Switzerland 978-3-95450-198-4 10.18429/JACoW-COOL2017-TUM11 English 22-24 TUM11 ion electron vacuum gun solenoid Contribution to a conference proceedings 2018 2018-01 https://doi.org/10.18429/JACoW-COOL2017-TUM11 http://jacow.org/cool2017/papers/tum11.pdf The low energy electron cooler for the NICA booster has recently been installed at the booster ring of the NICA facility. The article describes results of various measurements obtained during its commissioning. Also some details of design and construction of the cooler are discussed.