Main Specifications：

Functions：Frequency measurement, period measurement, counting, frequency ratio, self-check
Frequency Measurement Range：
         0.1Hz～10MHz (main frame of basic model)
         0.1Hz～100MHz (Model 01)
         0.1Hz～500MHz (Model 05)
         0.1Hz～1000MHz (Model 10)
Period Measurement Range：100ns～10s/1000s
Time Interval Measurement Range：200ns～10s/1000s
Dynamic Range：50mVrms～1Vrms
Coupling Mode：AC/DC for Cannels A, B; AC for Channel C
Input Impedance：1MΩ//45pf or 50Ω
Trigger Level：±1.5V adjustable in 30mV steps
8-digit VFD all-function display
Time Base：10MHz (100ns) OCXO, stability：better than ±1×10-8/d
Size and weight：320×280×94(mm)3, 2.6Kg

Main Features:
Microcomputer controlled, designed with LSI circuits
10MHz equal-accuracy measurement mode
SMT technology brand new miniature structure design
New VFD display
High reliability, substitution for E312A

Main Specifications：

Functions：Measurement of frequency, period, time interval, frequency ratio, counting, phase pulsewidth, duty factor, rotary speed, amplitude and statistical calculation ( max. value, min. value, frequency difference, standard deviation, Allan Variance, etc.)
Frequency Measurement Range：
             Channel 1 or 1,2：0.1mHz~100MHz（Model 001）
             Channel 3（optional）：100MHz~1.5GHz（Model 015）
                                                      100MHz~3GHz（Model 030）
                                                      100MHz~6GHz（Model 060）
                                                      100MHz~12.4GHz（Model 124）
Dynamic Range：15mVrms~3Vrms（sine wave）
Period measurement range：25ns~104s
Time Interval Measurement Range：25ns~104s
Phase Measurement：-180°~ +360°
Pulse Width：25ns~200s
Duty Factor：0~100%
Counting Capacity：1012-1
Peak Voltage Measurement：5mV~25V
Coupling Method：Channel 1 or 1,2：AC/DC coupling
                                      Channel 3：AC coupling
Input Impedance：1MΩ/30pF or 50Ω
Time Base：80MHz（160MHz optional）;Stability：±1×10-6/d（HTXO optional）
Display：16-digit high brightness 0.4” green LED, dual display for frequency and amplitude
Interface：standard RS232, USB; optional GP-IB.
Gate：Internal and external trigger functions; internal trigger level automatically adjustable
Size and Weight：240×230×90（mm）；≤1.5kg

Main Features:
This series of products are designed using single-chip microprocessor, LSI and PLD. The power supply uses high efficiency high quality swiching power supply and the production technology uses SMT. The new enclosure emphasizesdirect display and so the products have more powerful functions, higher intelligence, more interfaces, easier operation, higher power/efficiency ratio, higher reliability and lighter weight. It is really a new generation of products with high performance/price ratio.

Main Specification:

Functions：Frequency measurement, period measurement, counting, frequency ratio, self-check, statistic computing (Series B only)
Frequency measurement range：
            0.025Hz～100MHz (main frame of the basic model)
            0.025Hz～500MHz ( model 05)
            0.025Hz～1000MHz (Model 10)      
            0.025Hz～2.5GHz (Model 25)          
            0.025Hz～6GHz (Model 60)      
            0.025Hz～12.4GHz (Model 120)
Period measurement range：100ns～40s
Time interval measurement range：20ns～40s
Sensitivity in RMS：30mVrms（DC input, adjusting trigger level,<100MHz）.
      High sensitivity：-30dBm（2.4GHz and 5.8GHz frequency band）
Dynamic Range：50mVrms～1Vrms
Coupling Mode：AC/DC for Channels A, B; AC for Channel C
Input Impedance：1MΩ//45pf or 50Ω
Trigger level：±1.5V adjustable in 30mV steps
10-digit VFD all function display
Time base：100MHz(10ns), daily stability better than ±1×10-8/d
Optional (1~5)×10-9/d high stability crystal oscillator
Size and Weight：320×280×94(mm)3 ,2.8kg
Simulation interpolation option，The model EE3386A1，Frequency measurement resolution：11 / sec，Time measurement resolution：100ps
12 VFD display，Time Base Stability：1×10-9/day

Main Features:
Microcomputer controlled, developed with CPLD and modular design
100MHz synchronous equal-accuracy measurement mode
SMT technology and newly miniature structures design
New VFD display,statistic function available to display max. value, min. value, mean value, deviation, standard deviation, Allan Variance, etc.
Standard RS-232 interface, optional GP-IB interface
The high sensitivity model allows non-contact measurement

Main  Specification:

12-digit display in frequency measurement; 0.1ns resolution in time interval measurement
Refer to EE3386A/B for other specifications and exteriors

Main features:
EE3386A1 is designed on the basis of EE3386A/B plus analog interpolation techniques