Contents: Speedometer ↓ Tachometer ↓
Speedometer
Speedometer SP-193 with mechanical drive, its testing is possible only on a special stand.
Tachometer
The TX-193 pointer tachometer determines the engine crankshaft rotation frequency by the frequency of voltage pulses in the primary winding of the ignition coil. It consists of a milliammeter and an electronic circuit. Its readings can be checked with a car tester.