PROTEK U2000A

Protek U2000A Universal Counter Features Built-in High Stability Crystal Oven Oscillator Multi-functional Measurement and Auto-correction 8 DIGIT LED Large Bandwidth Time Step Measurement 10MHz OUT Specification CH A Measurement ( FREQ. A LOW/ FREQ. A HI) Range 0.1Hz~ 10MHz: 10Hz~ 10MHz ( DC Coupling) 10Hz~ 10MHz: 10Hz~ 10MHz ( AC Coupling) Input Voltage Degrader 1/ 1 Degrader 1/ 10 25mV ~ 1Vrms( 0.1Hz~ 100MHz) ( Vp-p = 2 2Vrms) 250mV ~ 10Vrms( 0.1Hz~ 100MHz) SLOPE + , - ( PULL) LP FILTER About 100KHz Endurance Voltage 250V ( DC+ AC peak) TRIGGER LEVEL -350mV~ + 350mV ( PRESET OVEN) GATE Time 0.01s, 0.1s, 1s, 10s 4 Step Accuracy ± 1 count ± time base error Units LO MODE : KHz HI MODE : MHz CH C Measurement ( FREQ. C) Range 100MHz ~ 1000MHz Input Voltage 25mV ~ 1Vrms 100MHz ~ 2000MHz Endurance Voltage 4Vrms Input Impedance About 50 Ohm Input Coupling AC GATE Time 0.0256s, 0.256s, 2.56s, 25.6s, 4 Step Accuracy ± 1 count ± time base error Units MHz RATIO A/ B Measurement Range CH A Input ( 10MHz ~ 100MHz) CH B Input ( 0.1Hz ~ 10MHz) Magnification 1, 10, 100, 1000 ( 4 MODE) Resolution ± FREQ.B / ( FREQ.A x MAG) CH B Input Capability Input Impedance About 1M Ohm 3pF or less SLOPE + , - ( PULL) LP FILTER About 100KHz, 3dB Endurance Voltage 250V( DC+ AC peak) Degrader 1/ 1, 1/ 10 Input Coupling AC, DC TRIGGER LEVEL -350mV ~ + 350mV ( PRESET) Input Voltage Degrader 1/ 1 Degrader 1/ 10 25mV ~ 1Vrms 250mV ~ 10Vrms Frequency Measurement ( PERI. A) : CH A Pin( male) Range 0.5us ~ 200, 000us ( 5Hz~ 2MHz) Min. pulse width 250ns Accuracy ± 1 count time base error ± CH A TRIGGER error Count Time 0.01s, 0.1s, 1s, 10s ( 4 MODE) Time Step Measurement ( TI A --> B) CH A TO CH B Range 0.5us ~ 200, 000us ( 5Hz~ 2MHz) Accuracy ± 1 count time base error ± CH A TRIGGER error± MAG. Count Time 1, 10, 100, 1000 ( 4 MODE) Min. pulse width 250ns Totalize ( CH A) Range 0.5us ~ 200, 000us ( 5Hz~ 2MHz) Count Range 0 ~ 9999999 ( OVERFLOW) Count Control Usage of Reset and Hold Switch SELF CHECK Display 10 MHz GATE Time 0.01s, 0.1s, 1s, 10s ( OVERFLOW) Unit KHz Reference Oscillator Reference Frequency 10 MHz, 3.90625MHz ( OVEN) RATE ± 3 x 10-7 Temperature Characteristics ± 5 x 10-6 ( 0° C~ 40° C) ± 5 x 10-7 ( 0° C~ 30° C) Power Characteristics ± 1 x 10-7 ( ± 10% ) Preheat Time 20 min. at 25° C Reference Oscillator Output Open Output Voltage Over 1Vp-p at 1M Ohm 50 Ohm Output Voltage Over 500mVp-p General Display Type: 8 digits, 14mm SEH< EMT LED, KHz, MHZ, us, OVER, GATE( LED, FUNCTION, GATE TIME, HOLD ( LED) Dimension & Weight 262( W) x 84( H) x 230( D) mm, 2.35kg Accessories - Power Cord 1EA - Fuse 2EA - BNC : BNC 1EA - Manual 1EA