PROTEK U3003A 多频率计数器 (3GHz FC)

Max input Frequency:  1 Hz ~ 3 GHz

Period Range: 10 ns~ 1 s

Count accuracy: 108－1

Terminal type: BNC Female

Input impedance

Channel A : 1MΩ//40pF 

Channel B : 50Ω

Coupling AC

Dynamic input power 

Channel A : 30mVrms～250Vpp 

Channel B : 30mVrms～1Vrms

Frequency measurement  range per channel 

Channel A : 1 Hz～100MHz 

Channel B : 100 MHz～3 GHz

CHA low pass filter :－3dB bandwidth is about 100kHz

CHA attenuation: ×1 or ×20

Strobe time 10ms、100ms、1s、10s

Count display 0～99,999,999

Crystal vibration frequency:" 10 MHz

crystal frequency stability: 1×10-5/d

External input frequency: 10 MHz

External input frequency voltage >1Vpp

Display :8 digits high bright, 0.5”inch numeral tube,3 units LED indicator, a strobe LED indicator and a EXT FREQ mark LED indicator

Input Power AC 110~ 250V(1±10%), 50Hz~60Hz((1±5%), 20VA

Environment Temperature : 0°C ~ +39°C, Humidity : ~RH +70%, Altitude : ~3000m

Size About 280(W)×90(H)×240(D) mm

Weight About 1.5 kg 

Standard Accessories BNC Cable, AC Power Cable, Manual