Basic Info.
Application
Voltage Measurement, Time Measurement, Frequency Measurement
Trigger Mode
Auto, Norm, TV-V, TV-H
Max. Input Voltage
400V Peak-Peak
Vertical Sensitivity
5mv~5V/Div, 10 Steps in 1-2-5 Sequence
Product Description
Twintex TOS-2040CT Stuendent Laboratory Use Dual 40MHz Oscilloscope with Component Tester
Features
Dual channel 20MHz/40MHz/50MHz
10 times sweep magnification
TV synchronization; X-Y mode
High illumination internal graticule CRT
Encoded switch, reliable and durable
Fully sealed durable attenuation switch
ALT triggering function, enabling simultaneous observation of two independent signals
Selection guideModel | TOS-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. bandwidth | 20/40/50MHz | 20/40/50MHz | 20/40/50MHz | 20/40/50MHz | 20/40/50MHz | 100MHz |
Attenuator switch | √ | √ | √ | √ | √ | |
Vertical encoder switch | | | | | | |
Vertical pulse switch | | | | | | √ |
Vertical sensitivity step | 10 | 10 | 10 | 10 | 10 | 11 |
High vertical sensitivity | 5mV/DIV | 5mV/DIV | 5mV/DIV | 5mV/DIV | 5mV/DIV | 2mV/DIV |
Low vertical sensitivity | 5V/DIV | 5V/DIV | 5V/DIV | 5V/DIV | 5V/DIV | 5V/DIV |
Sweep encoder switch | √ | √ | √ | √ | √ | |
Sweep pulse switch | | | | | | √ |
Sweep time base step | 20 | 20 | 20 | 20 | 20 | 22 |
Fastest sweep time | 0.2us | 0.2us | 0.2us | 0.2us | 0.2us | 50ns |
Slowest sweep time | 0.5s | 0.5s | 0.5s | 0.5s | 0.5s | 0.5s |
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 | | | √ | | | |
Model | 20MHz | 40MHz | 50MHz |
Vertical system |
Sensitivity | 5mV~5V/DIV, 10 steps in 1-2-5 sequence |
Accuracy | ≤3% |
Vernier sensitivity | ≤1/2.5 of panel indicated value |
Bandwidth | DC (AC 10Hz)~20MHz | DC (AC 10Hz)~40MHz | DC (AC 10Hz)~50MHz |
AC coupling | <10Hz (at 100kHz, 8DIV, frequency response -3dB) |
Rise time | Approx. 17.5ns | Approx. 8.75ns | Approx. 7ns |
Input impedance | Approx. 1MΩ//Approx. 25pF |
DC balance shift | 5mV~5V/DIV: ±0.5DIV |
Vertical mode | CH1, CH2, DUAL (ALT/CHOP), ADD, CH2 INV |
Chopping repetition frequency | Approx. 250kHz |
Input coupling | AC, GND, DC |
Max. Input voltage | 400V peak-peak, AC frequency≤1kHz |
Common mode rejection ratio | >50:1 at 50kHz sine wave (set CH1 and CH2 at same sensitivity) |
CH2 INV BAL | Balanced point variation≤1DIV (referred to graticule center) |
Horizontal system |
Sweep time | 0.2us~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 magnification | X10 (fastest sweep time 20ns/DIV) |
Position shift@X10MAG | ≤2DIV at CRT screen center |
Linearity | ±5%, X10MAG: ±10% (0.2s~1us) |
Trigger system |
Trigger mode | AUTO, NORM, TV-V, TV-H |
Trigger level lock | Not provided |
Trigger source | CH1, CH2, ALT, LINE, EXT |
Trigger coupling | AC: 20Hz to full bandwidth |
Trigger slope | "+" or "-" |
Sensitivity | Frequency | 20Hz~2MHz | 2MHz~20MHz | 20MHz~40MHz | 40MHz~50MHz |
CH1, CH2 | 1DIV | 1.5DIV | 2.5DIV | 3DIV |
ALT | 2DIV | 3DIV | | |
EXT | 200mV | 800mV | | |
TV | Sync pulse>1DIV (EXT: 1V) |
External trigger input |
Input impedance | Approx. 1MΩ//Approx. 25pF |
Max. input voltage | 400V (DC+AC peak), AC frequency≤1kHz |
X-Y mode |
Sensitivity | 5mV~5V/DIV±3% |
X-axis bandwidth | DC~500kHz (-3dB) |
Phase error | ≤3° at DC~50kHz |
Calibration signal output |
Waveform | Positive-going square wave |
Frequency | Approx. 1kHz |
Duty ratio | <48:52 |
Output voltage | 2Vpp±2% |
Output impedance | Approx. 1kΩ |
Frequency counter (only for TOS-2020CF, TOS-2040CF, TOS-2050CF) |
Display | 6 digits LED |
Accuracy | ±0.01% |
Component test (only for TOS-2020CT, TOS-2040CT, TOS-2050CT) |
Testing subject | Resistor, Capacitor, Coil, Diode, Zener or simple combination of the components |
Testing voltage | Approx. 9Vac pp |
Testing frequency | 50/60Hz |
Testing current | Approx. 0.6mA |
CRT |
Type | 6-inch rectangular with internal graticule, 8x10DIV (1DIV=1cm) |
Phosphor | P31 |
Accelerating voltage | Approx. 2kV (20MHz); Approx. 12kV (40MHz) |
Trace rotation | Adjustable at front panel |
General |
Power source | AC110V/220V±10%, 50/60Hz, Max. 35VA |
Accessories | Power cord x1, Operation manual x1, Probe x2 |
Dimension (WxHxD) | 310x150x455mm |
Weight | Approx. 8kg |
About Us:Twintex instrument Ltd was established in 1998 as a professional test & measurement instruments manufacturer with its own brand of twintex.
With honesty, innovation and continuation as the core of enterprise cultural, twintex has been gradually developed into a professional test & measurement instruments manufacturer, products including oscilloscope, function generator, DC power supply, basic test & measurement instruments and other professional instruments.
Apart from providing instrumentation solutions to domestic industries and education institutions with good quality and excellent price, twintex has also established professional logistics and business center - twintex electronics Co., Ltd in 2009 in shenzhen China to explore global market of instrumentation. Backing up by strong R&D force in Taiwan and manufacturing advantage in mainland China, twintex has been entering the world market with twintex brand.
Twintex has presences in more than 30 countries to provide its products and services.
Twintex will make continuous efforts to improve brand management, making twintex as the most reliable and professional instruments manufacturer. Twintex will also improve capabilities of R&D, manufacturing and marketing to provide the most convenient and fastest services, bringing the best values to customers.
Warranty:All products by TWINTEX are tested and guaranteed to keep in good quality with one year warranty except wearing parts, such as test leads and power cords.
If quality problems happen during warranty period, we provide technical supports and spare parts. Our local distributor if any will help to solve your problems in time after receiving phone calls or emails.
Welcome to contact us at any time if any questions about using our products.
However, TWINTEX is free of responsibility to personal injuries or property damages caused by improper operation.
Address:
311 Mingzesheng Building, Tongsheng Industrial Park Road, Dalang Sub-District, Shenzhen, Guangdong, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Electrical & Electronics, Instruments & Meters
Management System Certification:
ISO 9001
Company Introduction:
Twintex instrument Ltd was established in 1998 as a professional test & measurement instruments manufacturer with its own brand of twintex.
With honesty, innovation and continuation as the core of enterprise cultural, twintex has been gradually developed into a professional test & measurement instruments manufacturer, products including oscilloscope, function generator, DC power supply, basic test & measurement instruments and other professional instruments.
Apart from providing instrumentation solutions to domestic industries and education institutions with good quality and excellent price, twintex has also established professional logistics and business center - twintex electronics Co., Ltd in 2009 in shenzhen China to explore global market of instrumentation. Backing up by strong R&D force in Taiwan and manufacturing advantage in mainland China, twintex has been entering the world market with twintex brand.
Twintex has presences in more than 30 countries to provide its products and services.
Twintex will make continuous efforts to improve brand management, making twintex as the most reliable and professional instruments manufacturer. Twintex will also improve capabilities of R&D, manufacturing and marketing to provide the most convenient and fastest services, bringing the best values to customers.