IN-9 is linear gas discharge indicator, intended to display electrical values, transforming
them into glowing bar. Indicator can be used to control various parameters, state of
technological processes, in information panels and in measuring devices.
Indicating - through side panel of the tube. Glowing color: pink – orange. Filling gas –
Tube length (total) 5.5 inch (140 mm), diameter 0.394 inch (10 mm).