... Frequency/Tacho/Count Meter Features:1,Optional timing,counting,frequency and tacho measurement.Univeral panel,Small size,with external terminal,easy installation ... Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter, Timer, Timer Relay, Solid State Relay, Proximity Sensor, Pressure sensor ,load cell sensor, KNE KSC box ...