The speed indicators ИО.3813-1 and ИО.3813-2 by JSC "Izmeritel"
The speed indicators ИО.3813-1 and ИО.3813-2 are created for showing the following information about the operational parameters of automotive engineering:
There are two types of the indicators ИО by JSC "Izmeritel". They differ from each other with scales. The scale of the indicator ИО-1 shows the speed of two power take-off shafts and the scale of the ИО-2 shows the speed of one power take-off shafts.