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Twintex Tos -2021CT China 20MHz Analog Oscilloscope Component Tester with CRT

Twintex Tos-2020CT China 20MHz Analog Oscilloscope Component Tester with CRT, Find details about China Analog Oscilloscope 20MHz, CRT Component Tester Instruments from Twintex Tos-2020CT China 20MHz Analog Oscilloscope Component Tester with CRT

Model NO.
TOS-2020CT
Trigger Modes
Automatic
Deeper Memory Depth
No
Sampling Rate
500MSa/s
Rise Time
Approx. 17.5ns
X-Axis Bandwidth
DC~500kHz (-3dB)
Trigger Mode
Auto, Norm, TV-V, TV-H
Max. Input Voltage
400V Peak-Peak, AC Frequency≤1kHz
Vertical Sensitivity
5mv~5V/Div, 10 Steps in 1-2-5 Sequence
CRT Type
6-Inch Rectangular with Internal Graticule, 8X10di
Sweep Time
0.2us~0.5s/Div, 20 Steps in 1-2-5 Sequence
Trademark
Twintex
Transport Package
Carton
Specification
CE
Origin
China
HS Code
90302010
Model NO.
TOS-2020CT
Trigger Modes
Automatic
Deeper Memory Depth
No
Sampling Rate
500MSa/s
Rise Time
Approx. 17.5ns
X-Axis Bandwidth
DC~500kHz (-3dB)
Trigger Mode
Auto, Norm, TV-V, TV-H
Max. Input Voltage
400V Peak-Peak, AC Frequency≤1kHz
Vertical Sensitivity
5mv~5V/Div, 10 Steps in 1-2-5 Sequence
CRT Type
6-Inch Rectangular with Internal Graticule, 8X10di
Sweep Time
0.2us~0.5s/Div, 20 Steps in 1-2-5 Sequence
Trademark
Twintex
Transport Package
Carton
Specification
CE
Origin
China
HS Code
90302010
Twintex TOS-2020CT China 20MHz Analog Oscilloscope Component Tester with CRT

Features
Dual channel 20MHz/40MHz/50MHz
10 times sweep magnification
TV synchronization; X-Y mode
High illumination internal graticule CRT
Japanese encoded switch, reliable and durable
Fully sealed durable attenuation switch
ALT triggering function, enabling simultaneous observation of two independent signals

Selection guide
ModelTOS-2020BCH
TOS-2040BCH
TOS-2050BCH		TOS-2020CF
TOS-2040CF
TOS-2050CF		TOS-2020CT
TOS-2040CT
TOS-2050CT		TOS-2020
TOS-2040
TOS-2050		TOS-2020FG
TOS-2040FG
TOS-2050FG		TOS-2100C
Max. bandwidth20/40/50MHz20/40/50MHz20/40/50MHz20/40/50MHz20/40/50MHz100MHz
Attenuator switch√√√√√ 
Vertical encoder switch      
Vertical pulse switch     √
Vertical sensitivity step101010101011
High vertical sensitivity5mV/DIV5mV/DIV5mV/DIV5mV/DIV5mV/DIV2mV/DIV
Low vertical sensitivity5V/DIV5V/DIV5V/DIV5V/DIV5V/DIV5V/DIV
Sweep encoder switch√√√√√ 
Sweep pulse switch     √
Sweep time base step202020202022
Fastest sweep time0.2us0.2us0.2us0.2us0.2us50ns
Slowest sweep time0.5s0.5s0.5s0.5s0.5s0.5s
Dual sweep (Dual time base)     √
Time base step auto-shift     √
Trigger signal output     √
CH1 signal output   √√ 
Z-axis input   √√√
Trigger level lock   √√ 
Frequency counter √  √ 
Cursor readout     √
Panel settings save & recall     √
CRT illumination     √
Delayed sweep     √
Component test  √   

Specifications
Model20MHz40MHz50MHz
Vertical system
Sensitivity5mV~5V/DIV, 10 steps in 1-2-5 sequence
Accuracy≤3%; X5MAG: ≤5%
Vernier sensitivity≤1/2.5 of panel indicated value
BandwidthDC~20MHz
(X5MAG: DC~7MHz)		DC~40MHz
(X5MAG: DC~15MHz)		DC~50MHz
(X5MAG: DC~15MHz)
AC coupling<10Hz (at 100kHz, 8DIV, frequency response -3dB)
Rise timeApprox. 17.5ns
(X5MAG: Approx. 50ns)		Approx. 8.75ns
(X5MAG: Approx. 25ns)		Approx. 7ns
(X5MAG: Approx. 23.3ns)
Input impedanceApprox. 1MΩ//Approx. 25pF
DC balance shift5mV~5V/DIV: ±0.5DIV
Vertical modeCH1, CH2, DUAL (ALT/CHOP), ADD, CH2 INV
Chopping repetition frequencyApprox. 250kHz
Input couplingAC, GND, DC
Max. Input voltage400V peak-peak, AC frequency≤1kHz
Common mode rejection ratio>50:1 at 50kHz sine wave (set CH1 and CH2 at same sensitivity)
CH2 INV BALBalanced point variation≤1DIV (referred to graticule center)
Horizontal system
Sweep time0.2us~0.5s/DIV, 20 steps in 1-2-5 sequence
Accuracy±3%, X10MAG: ±5% (20ns~50ns/DIV uncalibrated)
Vernier sweep time control≤1/2.5 of panel indicated value
Sweep magnificationX10 (fastest sweep time 20ns/DIV)
Position shift@X10MAG≤2DIV at CRT screen center
Linearity±5%, X10MAG: ±10% (0.2s~1us)
Trigger system
Trigger modeAUTO, NORM, TV-V, TV-H
Trigger level lockProvided
Trigger sourceCH1, CH2, ALT, LINE, EXT
Trigger couplingAC: 20Hz to full bandwidth
Trigger slope"+" or "-"
SensitivityFrequency20Hz~2MHz2MHz~20MHz20MHz~40MHz40MHz~50MHz
CH1, CH21DIV1.5DIV2.5DIV3DIV
ALT2DIV3DIV  
EXT200mV800mV  
TVSync pulse>1DIV (EXT: 1V)
External trigger input
Input impedanceApprox. 1MΩ//Approx. 25pF
Max. input voltage400V (DC+AC peak), AC frequency≤1kHz
X-Y mode
Sensitivity5mV~5V/DIV±3%
X-axis bandwidthDC~500kHz (-3dB)
Phase error≤3° at DC~50kHz
CH1 signal outputAt least 20 mV/div at 50Ω terminal, frequency at least 50Hz to 50MHz
Calibration signal output
WaveformPositive-going square wave
FrequencyApprox. 1kHz
Duty ratio<48:52
Output voltage2Vpp±2%
Output impedanceApprox. 1kΩ
Z-axis input
BandwidthDC~2MHz
Sensitivity5Vpp
Input impedanceApprox. 47kΩ
Max. input voltage30V (DC+AC peak), AC frequency≤1kHz
Frequency counter (only for TOS-2020FG, TOS-2040FG, TOS-2050FG)
Display6 digits LED
Accuracy±0.01%
CRT
Type6-inch rectangular with internal graticule, 8x10DIV (1DIV=1cm)
PhosphorP31
Accelerating voltageApprox. 2kV (20MHz); Approx. 12kV (40MHz)
Trace rotationAdjustable at front panel
General
Power sourceAC110V/220V±10%, 50/60Hz, Max. 35VA
AccessoriesPower cord x1, Operation manual x1, Probe x2
Dimension (WxHxD)310x150x455mm
WeightApprox. 8kg
Specifications are subject to change without prior notice.
 

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