The UT-107 is a digital car meter used to measure: voltage, current, resistance, frequency, equipped with additional functions useful in car diagnostics; Main features: 12V battery voltage test, Measurement of the closing angle of the DWELL circuit breaker, RPM x 10 rotational speed measurement, The following items can be checked: : the ignition coil, high voltage wires, Hall sensor, magnetoresistive sensor, Lambda probe, temperature sensor, position sensor, MAP pressure sensor, MAF air flow sensor ;