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| T531 oscilloscope | BM370 oscilloscope | 12XN048 level meter |
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| 12XG032 generator | The microphone and the generator | BM356 frequency meter |
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| BM223 generator | QTK current compensator | BM289 voltmeter |
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| BM211 Q-meter | The electric generator | TM393 RLC bridge |
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| Local battery telephone | 12XN020 selective level meter | Digital voltmeter |
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| 12XN037 graphic level meter | BM539 semi-automatic RLC bridge | BM543 distortion meter |
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| OPD602 slow-action oscilloscope | M1T380 digital multimeter | VAREG voltage recorder |
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| TP-25 military telephone | Heavy industry telephone |