Flow-gauge for measuring the flow of carbon dioxide and argon.
It is used as a device that shows the flow in universal flow regulators of the AR40/U30 DM type (only produced by the DONMET plant).
| Attribute | Value |
| Case diameter, mm | 50 |
| Case color | black |
| Range of readings, l/min | 0-30 – carbon dioxide |
| 0-40 – argon | |
| Gas | carbon dioxide and argon |
| Thread of the fitting | М12×1.5 |
| The location of the fitting | radial |
| Accuracy class | 2,5 |
