Filament voltage, 6.3 V
The voltage at the anode 250 V
The voltage at the crater, 250 V
The bias voltage on the control grid, -4 V
Filament current, 300 mA +- 25
The current in the anode circuit, mA 5.3 +- 1.9
The current in the circuit of the crater, mA 5
The steepness of characteristic, mA/V 1.2 +- 0.4
Gain 24
The voltage on the control grid at an angle of the dark sector is not more than 5 degrees, -8.25 +- 2.25