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Products » By Manufacturer » Protek - Test & Measurement Devices » Counters » B2000 - 2GHz Universal Counter
B2000 - 2GHz Universal Counter
" 0.1Hz to 2GHz Frequency Range
" Measures Frequency, Period, Time interval, Ratio and Totalize
" 0.5 PPM temperature stability
" Channel A and Channel B have variable trigger level controls
" Large, bright 8 digit LED frequency display along with function and gate time indicators
" Self check
" Low pass filters and X10 attenuators
" All functions selected via tactile switches

  • Specification
    • Frequency Measurement
    Channel A Input
    Ranges Low Range: 0.1Hz to 10MHz
    High Range: 10MHz to 100MHz
    Best Resolution Low range: 0.1Hz
    High range: 10Hz
    Gate Time 0.01s to 10s in 4 decade switch settings
    Accuracy ?1 count ?(timebase error) X frequency
    Frequency Measurement
    Channel C Input
    Range 90MHz to 2GHz
    Best Resolution 10Hz
    Gate Times 0.0256s, 0.256s, 2.56s, 25.6s switch selectable
    Accuracy ?1 count ?(timebase error) X frequency
    Period Measurement
    Channel A Input
    Ranges 100ms to 500ns
    Gate Time 0.01s to 10s in 4 switch selectable settings
    Best Resolution 100ps
    Accuracy ?1 count ?timebase error; ? Trigger error
    Minimum Pulse Width 250ns
    Totalize Measurement
    Channel A Input
    Frequency Range DC to 10MHz
    Count Capacity 0 to 99,999,999
    Resolution ?1 input count
    Time Interval
    CH A & CH B Inputs
    Range 200ms to 500ns
    Accuracy ?1 count ?timebase error ? CH A Trigger error
    Best Resolution 100ns
    Minimum Pulse Width 250ns
    Ratio A/B
    CH A & CH B Inputs
    Range CH A: 10MHz to 100MHz
    CH B: 0.1MHz to 10MHz
    Input Characteristics
    Channel A Input
    Sensitivity 25mV RMS 0.1Hz to 100MHz
    Attenuation X1 or X10
    Input Impedance 1MW + 35pF
    Coupling DC & AC
    Lowpass Filter (-3dB) 10Hz to 100KHz @ X1
    Max. Voltage 250V DC or AC RMS
    Trigger Level From -350mV DC to +350mV DC
    Input Characteristics
    Channel B Input
    Sensitivity 25mV RMS 0.1Hz to 100MHz
    Attenuation 0dB or 20dB
    Input Impedance 1MW + 35pF
    Coupling AC & DC
    Lowpass Filter (-3dB) 10Hz to 100KHz
    Max. Voltage 250V DC or AC RMS
    Trigger Level From -350mV DC to +350mV DC
    Input Characteristics
    Channel C Input
    Sensitivity 50mV RMS, 90MHz to 2GHz
    Max. Input Voltage 3V RMS
    Input Impedance 50W
    Coupling AC
    Timebase
    Frequency 10MHz & 3.90625MHz
    (Temperature controlled Oven)
    Stability Long Term: ?3x10-7 per month
    Temperature: ?5x10-7, 0 to 30?C
    Warm Up Time 20 minutes (25?C)
    10MHz Oscillator Output
    Output Volts 1V P-P (open circuit)
    Output Impedance 50W
    General Specifications
    Display 8 Digit LED (14mm)
    Power Requirements AC line voltage 100/120/220/240V ?10%
    Power Consumption 15VA, 50/60Hz
    Operating Temperature 0 to 40?C
    Size 3.4" H x 10.4" W ? 9.0" D
    Weight 5 lbs
    Supplied Accessories Manual, Line cord, BNC cable
    To request more information, please fill the form below.
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