1. IEC 60151-12:1966 Measurements of the electrical properties of electronic tubes and valves - Part 12: Methods of measuring electrode resistance, transconductance, amplification factor, conversion resistance

2. IEC 60151-13:1966 (scan) Measurements of the electrical properties of electronic tubes and valves - Part 13: Methods of measurement of emission current from hot cathodes for high-vacuum electronic tubes and valv

3. IEC 60151-14:1975 (scan) Measurements of the electrical properties of electronic tubes and valves - Part 14: Methods of measurement of radar and oscilloscope cathode-ray tubes

4. IEC 60151-15:1967 (scan) Measurements of the electrical properties of electronic tubes and valves - Part 15: Methods of measurement of spurious and unwanted electrode currents

5. IEC 60151-16:1968 (scan) Measurements of the electrical properties of electronic tubes and valves - Part 16: Methods of measurement for television picture tubes

6. IEC 60151-17:1969 (scan) Measurements of the electrical properties of electronic tubes and valves - Part 17: Methods of measurement of gas-filled tubes and valves

7. IEC 60151-18:1968 (scan) Measurements of the electrical properties of electronic tubes and valves - Part 18: Methods of measurement of noises due to mechanical or acoustic excitations

8. IEC 60151-19:1969 (scan) Measurements of the electrical properties of electronic tubes and valves - Part 19: Methods of measurement on corona stabilizers

9. IEC 60151-2:1963 (scan) Measurements of the electrical properties of electronic tubes and valves - Part 2: Measurement of heater or filament current

10. IEC 60151-20:1969 (scan) Measurements of the electrical properties of electronic tubes and valves - Part 20: Methods of measurement of thyratron pulse modulators