OG-7 dekatron two-pulse counting for operation in counting and computing devices. Glow color is blue. The OG-7 is identical to the OG-4, but with an argon fill gas. The OG-7 also has identical pinouts and internal construction as the OG-4, but its counting speed is rated at a brisk 50 kHz.

Conversion factor: 10;

Power supply voltage: > 450V;

Charging voltage: < 430V;

The bias voltage in sub-cathodes: 36-44 V;

Amplitude of the discharge voltage pulse: 130-170V;

Operating current: 0.7-0.85mA;

Counting rate: 0.01-50000Hz;

Pulse amplitude: 150-170μs;

Minimum operating time: 500 hours.