Frequency Counter
SS7301
SS7301 Frequency Counter has the measurement function of frequency, period, frequency ratio, etc., also with the measurement computing function such as multiple average, maximum, minimum, standard deviation, Allan Variance, a single relative deviation
FEATURES
High accuracy with minimum measuring resolution 10 digits/s
16-bit microcontroller is used and the speed of data processing is fast.
Maximum frequencyâ??s measurement can reach to 16GHz (options)
Utility statistics functions of multi-average, maximum, minimum, PPM, standard deviation and Allan Variance for frequency measurement
High-stability crystal oscillator is optional

SPECIFICATIONS

SS7301
Measuring Functions
Frequency CH 1:  0.001Hz ~ 200MHz
CH 2:  options 3GHz/6.5GHz
CH 3:  options 3GHz/6.5GHz/12.4GHz/16GHz
Measurement Resolution 10 digits/s
Period 5ns ~ 1000s
Pulse Width 50ns ~ 1000s
Duty Cycle 1% ~ 99%
Totalize 0 ~ 1Ã?1013
Input
Dynamic Range 50mVrms ~ 1.0Vrms (Sine), 150mVPP ~ 4.5VPP(Pulse)
Input Impedance 1MΩ//35pF or 50Ω
Coupling Mode AC or DC
Trigger Mode Rising edge or Falling edge
Input Attenuation Ã?1 or Ã?10
Low-pass Filter stop frequency approx.100kHz
Trigger Level -5.000V ~ +5.000V, step 5mV
Other Functions
Frequency Ratio â??
Frequency Self-test â??
Up/Low Limit "Limit" light on shows the result out of range, off   shows within range
Statistics Calculation Multi-average, Max.,Min., PPM, SD, Allan Variance
Standard Time Base
Accuracy 5Ã?10-8
Daily Aging 1Ã?10-8/day
Optional Time Base
Accuracy 5Ã?10-8
Daily Aging 5Ã?10-10/day
General   Characteristics
Interface Standard: USB, RS-232
Optional: GPIB
Power AC 100 ~ 240V, 45 ~ 65Hz, < 35VA
Dimension & Weight 375Ã?105Ã?235mm, Approx. 3.7kg