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OSCILLOSCOPES
Digital Read-out Oscilloscope CROMTECH 4325 / 4345
    Features
    • High sensitivity , up to 1mV/div;
    • Use digital plus switch to instead mechanical switch;
    • On CRT screen display seven cursor readout parameter;
    • Hold-off time adjustable, complex signal sync more stable;
    • Have all features with universal oscilloscope.
 

MODEL

4325

 4345

Vertical system
Deflect ratio 1mV/div-0.5V/div,1-2-5 12steps,±5% (1mV-2mV±8%)
Band width 5mv-5V/div  DC-20MHz 5mv-5V/div  DC-40MHz
1mv-2mV/div  DC-10MHz 1mv-2mV/div  DC-15MHz
AC coupling: (-3dB)  10Hz  
Max input voltage 400V(DC + AC peak) Frequency≤1KHz  
Horizontal System
Sweep rate 0.1μs/div-0.5s/div,1-2-5 21 steps,±5% (0°C~40°C)
Sweep hold off time Hold off time up to 8 * min sweep stop time, continuous adjustable
Trig system
Trig source CH1, CH2, Line, external  
Slope +, -  
Trig mode Auto, normal, single time  
Level lock /alternate trig 50Hz-20MHz 2div, 0.25V 50Hz-40MHz 2div,  0.25V
Max. Input voltage 100V(DC + AC peak)≤1KHz  
X-Y Mode
Sensitivity Y:CH2,X:CH1 ±5%;expand ×10±10%  
X Band width DC-1MHz -3dB DC-2MHz -3dB
Phrase error ≤3°(DC-5KHz) ≤3°(DC-100KHz)
Z axis
Frequency range DC-5MHz  
Input impedance Approx 5KΩ  
Max. Input voltage 50V(DC + AC peak),Frequency≤1KHz  
Cursor readout
Cursor readout △V, △V%, △VdB, △T, 1/△T, △V, △V%, △VdB, △T, 1/△
DUTY, PHASE DUTY, PHASE
Control board configuration display V/DIV, vertical mode, inverse, alt/chop, V/DIV, vertical mode, inverse, Alt/chop, un-calibrate
Un-calibrate/ ADD(SUB),×10 expand, Probe ADD(SUB), ×10 expand, Probe (×1×10),
(×1×10), X-Y, TIME/DIV, TV-V/H X-Y, TIME/DIV, TV-V/H
Calibration signal
Wave form Rectangular
Frequency 1KHz±2%
Amplitude 2Vp-p±2%
Physical Characteristics
Power supply AC 200V±10%
Frequency 50Hz±4%
Power consumption 40W
Dimension & weight 150H×310W×440D(mm) approx 8kg
   
  Dual time-base Oscilloscope CROMTECH 4320G/ 4340G/ 4360G
 

Features:

  • High sensitivity , up to 1mV/div;
  • Use digital code switch instead of original mechanical switch;
  • B (delay) sweep can expand any time segment of A sweep (main);
  • B sweep zoom display of view signal.
 

MODEL

4320G

4340G

4360G

Vertical system
 
Deflect ratio 1mV/div-5V/div 1-2-5 12 steps, error ±3% (1mV-2mV±5%)
Bandwidth 5mV-5V/div DC-20MHz 5mV-5V/div DC-40MHz 5mV-5V/div DC-60MHz
1mV-2mV/div DC-10MHz 1mV-2mV/div DC-15MHz 1mV-2mV/div DC-15MHz
AC Couple: Min frequency(-3dB) 10Hz
Max. Input voltage 400V(DC + AC peak)Freq. ≤ 1kHz
Horizontal system
Display mode A, A enlight,B, B trig
A Sweep rate 0.1μs/div-0.5s/div,1-2-5 21 steps, error±3%
Sweep Hold off time up to 8 more than sweep end time, continuous adjustable
B sweep rate 0.1μs/div-5ms/div,1-2-5 12 steps, error±3%
Delay time 1μs/div-5ms/div continous adjustable
Trig system
Trig source CH1, CH2, Line, External
Slope +, -
Level lock/ trig alternate 50Hz-20MHz,2div, external 0.25V 50Hz-40MHz,2div, external 0.25V
Ext. input impedance 1MΩ±2% approx 35pF
Max. input voltage 100V(DC + AC peak) Frequency ≤ 1kHz
B trig Yes
X-Y Mode
Sensitivity Y CH2,X CH1,error±5%;expand x 10±10%
X bandwidth DC-1MHz   -3dB DC-2MHz   -3dB
Z axis
Frequency range DC-5MHz    
Input impedance Approx 5MΩ  
Max. input voltage 50V(DC + AC peak)Frequency ≤ 1kHz
Bandwidth DC-1MHz  
Calibration
Wave form Rectangular  
Frequency 1KHz±2%  
Amplitude 2Vp-p ±2%  
Physical Characteristics
Power supply AC 220V±10%
Frequency 50Hz±4%
Power consumption 40W
Dimension & weight 150H×310W×440D(mm) approx 8kg
   
  Dual Input Four Trace Oscilloscope CROMTECH 4320C/ 4340C/ 4360
 

Features

  • 1mV/divhigh sensitivity , up to 1mV/div;
  • high light graduation illumination ;
  • Alter-mag, x1 and Mag trace can be display alternately , you can see two trace per channel ;
  • TV sync , new designed circuit can sync TV-H, TV-V  signal stable;
  • auto focus;
  • trig level lock;
  • Mark (YB4340, YB4320A only ).
 

MODEL

4320C

4340C

4360

Vertical system
Deflect ratio 5mV/div-5V/div,1-2-5,10 steps,(range)(1mV/div-1V/div, ×5MAG)
Bandwidth 5mV/div DC:0-20MHz -3dB DC:0-40MHz -3dB DC:0-60MHz -3dB
AC:10Hz-20MHz -3dB AC:10Hz-7MHz -3dB AC:10Hz-7MHz -3dB
Expand bandwidth DC:0-7MHz -3dB DC:0-7MHz -3dB DC:0-7MHz -3dB
AC:10Hz-7MHz -3dB AC:10Hz-7MHz -3dB AC:10Hz-7MHz -3dB
Input impedance 1MΩ±2%,25pF ±3pF;via probe 10MΩ±5%,approx 17pF
Max. Input voltage 400V(DC + AC peak)    
 Horizontal System
Display mode ×1, ×5;×1, ×5 alter ×1, ×10;×1, ×10 alter.
Sweep rate 0.1μs/div-0.2s/div±3%,1-2-5 step,20 step
Sweep expand 20ns/div-40ms/div 10ns-20ms/div
Alternate Expand Up to 4 traces  
 Trigger System
Trig source Internal, CH2, Line, External    
Slope +,-    
Trig mode Auto, normal, TV-V, TV-H    
X - Y Mode
Work mode X-Y mode,CH1 X alex,CH2 Y alex
Sensitivity same as Y axis    
Input impedance 1MΩ±2%//25pF±3pF    
X axis bandwidth DC-1MHz    
 Z axis
Input impedance 33KΩ    
Max input voltage 50V(DC + AC peak),Max frequency≤1KHz
Bandwidth DC-1MHz    
Calibration
Wave form Rectangular    
Frequency 1KHz±2%    
Amplitude 0.5Vp-p±2%    
CH1 Output
Output voltage >=20mV/div    
Output impedance Approx 50Ω    
Bandwidth 50Hz-5MHz    
Physical Characteristics
Power supply AC 220V ±10%
Frequency 50Hz±5%
Power consumption 35W
Dimension & weight 132H×321W×376D(mm) approx 7.2kg
   
  Dual Trace Oscilloscope CROMTECH 43020/ 4320B/ 4320D
 

Features

  • SMT to improve integration, stabilization and reliability;
  • Digital coding switch used in vertical and sweep system;
  • Trig auto-sweep in full scale; Abundant trig function, ALT trig, Single trig, TV-H, TV-V;
  • Trig output, sine 50Hz line signal and Z axis input, non-cal and trig indication and trig lock.
 

MODEL

43020

4320B

4320D

Vertical system
Deflect ratio 2mV/div~10V/div 5mV/div~5V/div 2mV/div~10V/div
Band width DC:0~20MHz   -3dB; AC:10Hz~20MHz -3dB
Input impedance 1±3%MΩ//30±5pF(directly)   10±5%MΩ//23pF(via probe)
Max input voltage 400V(DC + AC p-p)    
Horizontal system
Display mode Auto, Trig, lock, single time    
Sweep rate 0.1μs/div~0.2s/div 0.1μs/div~0.2s/div 0.1μs/div~10s/div 1-2(2.5)-5
1-2-5 20 steps 1-2-5 20steps, 29 steps,accuarcy±3%,
±3% ±3% “slow”±8%
Expand × ±5%
Alternate expand × ±5% none ×5 ±5%
Trig system
Trig source CH1, CH2, alter, Line, external
Couple AC/DC(Ext)Normal/TV-V, TV-H
Slope +, -    
Max input voltage 400V(DC + AC p-p)    
X-Y Mode
Input signal X axis:CH1  Y axis:CH2  
Deflect ratio CH1  
Frequency response AC:10Hz~1MHz -3dB; DC:0~1MHz -3dB
Z axis
Max input voltage 50V(DC + AC p-p)
Input impedance 10kΩ
Input slope Lower level to enlight
Frequency range DC~5Mz
Calibration Signal
Wave form Rectangular
Frequency 1KHz±1%
Amplitude 0.5Vpp±1%
Physical Characteristics
Power supply AC220V±10% or 110V±10%     50Hz±5%
Power consumption Approx 35VA
Dimension & weight 130H×285W×385D(mm), 6.5kg
   
  Dual Trace Oscilloscope CROMTECH 5020 / 5030
 

Features

  • Auto sweep circuit in full frequency bandwidth in trigger system;
  • Flexible trig mode to select one signal or external input signal trig;
  • Alt trig function to observe two different signal synchronized;
  • Trig output and output the signal of CH1 or CH2 ;
  • TV-V, TV-H
 

MODEL

5020

5030

Vertical System
Deflect ratio 5mV/div-10V/div 1-2-5 11steps,±5%
Expand multiple ×5±10%
Work mode Y1, Y2, alt, chop, ADD, X-Y
Band width AC:10Hz-20MHz -3dB AC:10Hz-30MHz -3dB
DC:0-20MHz -3dB DC:0-30MHz -3dB
Band width(expanded) AC:10Hz-5MHz, -3dB;
  DC:0-5MHz,-3dB
Input impedance 1±2%MΩ//≤30pF(direct);10±5%MΩ//≤23pF(via probe)
Max input voltage 400V(DC + AC p-p)
Horizontal System
Display mode Auto, Trig, Lock, Single
Sweep rate 0.1μs/div~0.2s/div 1-2-5 20setup,±5%
Expand ×5 ±10%
Trig System
Trig source Y1, Y2, alternate, Line, External
Coupling AC/DC(external), Normal/TV
Slope +, -
Sync frequency Auto:50Hz~20MHz Auto:50Hz~30MHz
XY Mode
Input signal X:Y1  Y:Y2
Deflect ratio Same as Y1
Frequency response AC:10Hz-1MHz -3dB;DC:0~1MHz -3dB
Z Axis System
Input impedance Same as Y1
Max input Same as Y1
Max. input 50V(DC + AC p-p)
Input impedance 10KΩ
Frequency range DC~5MHz
Calibrate Signal
Wave form Rectangular
Amplitude 0.5Vp-p±2%
Frequency 1KHz±2%
Physical Characteristics
Power supply AC 200V±10%
Frequency 50Hz±5%
Power consumption Approx 35VA
Dimension & weight 130H×320W×400D(mm) approx 7.2kg
   
  Dual Trace Oscilloscope – CROMTECH 43020F / 43020BF / 4328F
   
 

MODEL

43020F

43020BF

4328F

Vertical system

Deflect ratio 2mV/div~10V/div 5mV/div~5V/div 5mV/div~10V/div 1-2-5, 11 steps, ±3%,  ×5 ±5%
Bandwidth DC:0~20MHz  -3dB;  AC:10Hz~20MHz -3dB 
Bandwidth (Expanded)   AC:10Hz~5MHz -3dB, DC:0~5MHz -3dB
Input impedance 1±3%MΩ//30±5pF(direct)   1±5%MΩ//≤30pF(direct)
  10±5%MΩ//23pF(via probe) 10±5%MΩ//≤23pF(via probe)
Max voltage 400V(DC + AC p-p)
Horizontal system
Display mode Auto, trig, lock, single time
Sweep rate 0.1μs/div~0.2s/div,  1-2-5 20 steps, ±3% 0.1μs/div~0.2s/div, 1-2-5 20 steps,±3%  
Expand ×5 ±5%
Alternate expand ×5 ±5% None  
Trig system
Trig source CH1, CH2, alternate, Line, External
Couple AC/DC(Ext)Normal/TV-V, TV-H
Slope +, -
Max input voltage 400V(DC + AC p-p)
Sync. frequency   Auto: 50Hz~20MHz
X-Y Mode
Signal input X axis:CH1 Y axis:CH2
Deflect ratio Same as CH1
Frequency response AC:10Hz~1MHz -3dB DC:0~1MHz -3dB
Z axis
Max input voltage 50V(DC + AC p-p)
Input impedance 10KΩ
Input slope Low level to enlight
Frequency DC~5MHz
Calibration signal
Wave form Rectangular
Frequency 1KHz±1%
Amplitude 0.5Vp-p±1%
Physical Characteristics
Power supply AC 220V ±10% or 100V±10%
Frequency 50Hz±5%
Power consumption Approx 35VA
Dimension & weight 130H×285W×385D(mm) approx 6.5kg
   
* Products not listed can be ordered as per request.