... .00Hz; 1Hz-100KHz Accuracy:.5%. 2011--GF series Frequency Signal Generator GF8(48*96 size) GF9(96*96 size) ... manufacture thousands of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, ... Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State Relay, Proximity Sensor ...