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Universal Frequency Counter

SS7200/7300/7400

SS7400 Universal Frequency Counter/Timer/Analyzer introduces high reliability and large scale integrated circuit.

Brief Introduction

Universal Frequency CounterSS7400 Universal Frequency Counter/Timer/Analyzer introduces high reliability and large scale integrated circuit. With multi-cycle synchronous, reciprocal count and TDC technology combined, the measurement accuracy is improved. It has the measurement function of frequency, period, time interval, pulse width, duty cycle, count, phase difference, also with the measurement computing function such as multiple average, maximum, minimum, standard deviation, Allan Variance, a single relative deviation. The instrument has advantages of stable performance, complete functional, wide measuring range, high sensitivity and precision, small size, nice outlook, easy to use and reliable.

Features

Minimum measuring resolution 11 digits/s

Time resolution 50ps

Maximum frequency’s measurement can reach to 16GHz (options)

Measures Frequency, Period, Duty Cycle, Frequency Ratio, Totalize, Phase Difference, Pulse Width, Time Interval and DCV.

Utility statistics functions of multi-average, maximum, minimum, PPM, standard deviation and Allan Variance for frequency measurement

Stores 15 group status

High-stability crystal oscillator is optional

SPECIFICATIONS

SS7200A

SS7300

SS7400

Measuring Functions

Frequency Range

CH 1: 0.001Hz ~ 200MHz,

CH 2: 0.001Hz ~ 200MHz

CH 3: optional 3GHz/6.5GHz/12.4GHz/16GHz

Measurement Resolution

8 digits/s

10 digits/s

11 digits/s

Period

5ns ~ 1000s

5ns ~ 1000s

5ns ~ 1000s

Time Interval Range

10ns ~ 10000s

10ns ~ 10000s

1ns ~ 10000s

Resolution

500 ps

150ps

Pulse Width

30ns ~ 5000s

30ns ~ 5000s

1ns ~ 10000s

Duty Cycle

1% ~ 99%

Totalize

0 ~ 1×1013

Phase Difference

0° ~ 360°

0° ~ 360°

1° ~ 359°

DC Voltage

N/A

N/A

±19.99 VDC

Input

Dynamic Range

50mVrms ~ 1.0Vrms (Sine), 150mVPP ~ 4.5VPP(Pulse)

Input Impedance

1MΩ//35pF or 50Ω

Input Attenuation

×1 or ×10

Trigger Level

-5.000V ~ +5.000V, step 5mV

Other Functions

Frequency Ratio

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

5×10-8

Daily Aging

1×10-8/day

Optional Time Base

Accuracy

5×10-8

Daily Aging

5×10-10/day

General Characteristics

Interface

Standard USB

USB, RS-232

USB, RS-232

Optional RS-232, GPIB

GPIB

GPIB

Power

AC 100 ~ 240V, 45 ~ 65Hz, undefined 35VA

Dimension & Weight

375×105×235mm, 4.2kg



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