Analog Oscilloscope Twintex OST-2020CT, 20MHz, 2CH

Name: Analog Oscilloscope Twintex OST-2020CT, 20MHz, 2CH
Brand: Twintex - Taiwan
SKU: OST-2020CT
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OST-2020CT

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Twintex - Taiwan

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Specification

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Description product
Accessories

Máy hiện sóng tương tự (Analog) Twintex-Taiwan OST-2020CT, 20MHz, 2 kênh

Các tính năng chính

★ 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
★ With component test function

Model		TOS-2020CT			TOS-2040CT		TOS-2050CT
Vertical system
Sensitivity		5mV~5V/DIV, 10 steps in 1-2-5 sequence
Sensitivity accuracy		≤3%
Verniersensitivity		1/2.5 or less than panel indicated value
Bandwidth		DC (AC 10Hz)~20MHz			DC (AC 10Hz)~40MHz		DC (AC 10Hz)~50MHz
AC coupling
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 base			0.2us~0.5s/DIV, 20 steps in 1-2-5 sequence
Sweep time base accuracy			±3%, X10MAG: ±5% (20ns~50ns/DIV uncalibrated)
Vernier sweep timebase		≤1/2.5 of panel indicated value
Sweep magnification			X10 (Max. sweep time base 20ns/DIV)
Position shift caused by X10MAG			Within 2DIV at CRT screen center
Linearity			±5%, X10MAG: ±10% (0.2s~1us)
Triggersystem
Trigger mode			AUTO, NORM, TV-V, TV-H
Trigger level lock			Not provided
Trigger source			CH1, CH2, LINE, EXT
Trigger coupling			AC: 20Hz to full bandwidth
Polarity			“+” or “-” polarity
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)
X-Y phase error			≤3° at DC~50kHz
Output signal
Calibration signal	Waveform		Positive-going square wave
	Frequency		Approx. 1kHz
	Duty ratio		<48:52
	Output voltage		2Vpp±2%
	Output impedance		Approx. 1kΩ
Component test
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
Display			6" rectangle, 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% selectable, 50/60Hz, Max.35VA
Accessories			Power cord x1, Operation manual x1, Probe x2 Component test lead x1 (only for TOS-2020CT, TOS-2040CT, TOS-2050CT)
Dimension			310x150x455mm
Weight			Approx.8kg