| tube type | OG4 (ОГ4) | |
| Brand | Reflector/Sovtec | |
| Substitutes | - | |
| Counting direction | bidirectional | |
| Operation | double pulse | |
| Sort | counting tube | |
| Base | K8A | |
| Socket | K8A | |
| Zero position | aligned with spline | |
| Counting steps | 10 | |
| Number of guides | 2 | |
| Gas filling | Neon | |
| Tube diameter max. | mm | 33 |
| Tube height max. | mm | 76 |
| Max. counting speed | kHz | 2 |
| Supply volt. min. | V | 375 (425) |
| Supply volt. typ. | V | 450 |
| Maintaining voltage min. | V | 130 |
| Maintaining voltage typ. | V | 150 |
| Maintaining voltage max. | V | 170 |
| Anode/cath. current min. | µA | 300 |
| Anode/cath. current typ. | µA | 400 |
| Anode/cath. current max. | µA | 450 (500) |
| Power supply power min. | mW | 180 |
| Anode resistor typical | kΩ | 820 |
| Guide bias volt. min. | V | 30 |
| Guide bias typ pulse op. | V | 35 |
| Guide bias volt. max. | V | 40 |
| Guide signal voltage pulse | Vp | 135-200 (175) |
| Guide signal pulse duration min | µs | 160-500 (160) |
| Output voltage | V | 15 |
| Pinout: | ||
| PIN 01 | K0 | |
| PIN 02 | NC | |
| PIN 03 | A | |
| PIN 04 | G1 | |
| PIN 05 | NC | |
| PIN 06 | G2 | |
| PIN 07 | NC | |
| PIN 08 | K1-9 |