Digital Oscilloscope Price in Bangladesh – Buy Genuine Oscilloscopes

Digital Oscilloscope price in Bangladesh ranges from ৳42,000 for an entry benchtop model to ৳1,80,000 for a high-bandwidth professional unit. ASTZ carries genuine GwInstek, Rigol, and UNI-T oscilloscopes, along with analog options, so EEE students, repair technicians, and industrial teams across Bangladesh can find a scope that matches their exact testing need.

Digital Oscilloscope Overview – Waveform Testing Made Accurate

An oscilloscope turns invisible electrical signals into a visible waveform on screen, showing voltage against time so you can catch glitches, noise, and timing errors that a multimeter simply can’t reveal. If you’re debugging a circuit board, verifying a microcontroller’s clock signal, or teaching an EEE lab, an oscilloscope is the instrument that actually shows you what’s happening inside the wire.

What Is a Digital Oscilloscope?

A digital oscilloscope samples an analog input signal at very high speed, converts it into digital values, and reconstructs it as a waveform on an LCD screen. Unlike an analog scope, which draws the waveform directly with an electron beam, a digital scope stores the waveform in memory. That means you can freeze a signal, zoom into a single glitch, save the capture, or export it to a PC for later analysis.

How Does a Digital Oscilloscope Work?

Signal Sampling via Probe

The probe taps into the circuit and carries the voltage signal to the scope’s input channel, where it’s conditioned and scaled before processing.

Analog-to-Digital Conversion (ADC)

The scope’s ADC samples the incoming analog voltage thousands to millions of times per second, converting each sample into a digital value. This sample rate — measured in samples per second (Sa/s) — determines how accurately fast signals get captured.

Waveform Reconstruction & Display

The digitized samples are reassembled and plotted on screen as a continuous waveform, with grid lines marking voltage (vertical) and time (horizontal) divisions.

Types of Digital Oscilloscopes We Offer

USB / PC-Connected Oscilloscopes

Compact modules that plug into a laptop and use software for the display — useful for portable, low-budget setups, though not part of our current lineup.

Handheld Digital Oscilloscopes

Battery-powered, all-in-one units for field diagnostics where carrying a benchtop unit isn’t practical.

Benchtop Digital Storage Oscilloscopes (DSO)

Our core range — the GwInstek GDS-1102B, Rigol DS1102Z-E, and UNI-T UTD4302C fall here. These offer stored waveforms, on-screen measurements, and the highest accuracy for lab and repair work.

3-in-1 Oscilloscope + Signal Generator + Component Tester

Combo units built for hobbyists and students who need a scope, a signal source, and basic component checks in one box.

Key Features to Look for in a Digital Oscilloscope

Bandwidth

Our range spans 20MHz analog units up to a 300MHz digital storage scope, so bandwidth needs vary by task — general repair work rarely needs more than 100MHz, while RF or high-speed digital work pushes toward 200MHz+.

Number of Channels (2CH vs 4CH)

Every model in our current lineup is 2-channel, which covers most single- and dual-signal comparisons technicians and students need day to day.

Sample Rate & Memory Depth

The GDS-1102B and DS1102Z-E both run at 1GSa/s, with the Rigol adding 24Mpts of memory depth — deeper memory lets you capture longer time windows without losing waveform detail.

Display Type & Resolution

Digital models use a color LCD for clear waveform and measurement readouts, while the analog units (MOS-620CH, CQ-620A) use a traditional CRT-style display.

Portability (USB vs Benchtop)

All current models are benchtop units built for a workbench or lab table rather than field carrying.

Trigger & Auto-Measurement Functions

Look for auto-measurement of voltage, frequency, and rise time — the Rigol DS1102Z-E’s UltraVision technology and built-in serial decode add faster triggering and protocol-level analysis on top of standard trigger functions.

Digital Oscilloscope Price in Bangladesh by Category

USB vs Handheld vs Benchtop Oscilloscope – Which One to Buy?

For most Bangladeshi buyers — EEE students, repair shops, and industrial maintenance teams — a benchtop DSO like the Rigol DS1102Z-E or GwInstek GDS-1102B gives the best accuracy-to-price balance.

How to Use a Digital Oscilloscope – Quick Setup Guide

Connect the Probe Correctly

Attach the probe to Channel 1, clip the ground lead to a common ground point, and touch the probe tip to your test point.

Adjust Volts per Division

Set the vertical scale (Volts/Div) so the waveform fills a useful portion of the screen without clipping.

Adjust Time per Division

Set the horizontal scale (Time/Div) to match your signal’s frequency, so you see enough cycles to read the waveform clearly.

Set the Trigger Level

Set the trigger to stabilize a repeating waveform on screen — without it, the display will appear to drift or roll.

Why Choose Digital Over Analog Oscilloscope?

A digital oscilloscope stores waveforms in memory, so you can freeze, zoom, measure, and save a capture — an analog scope like the MOS-620CH or CQ-620A only shows you the signal live, with no way to hold a fast, one-time glitch on screen. Digital scopes also add automatic voltage/frequency measurement, which removes the manual grid-counting analog use requires. For general troubleshooting, either type works, but for capturing intermittent faults, a digital scope is the clear choice.

Applications of Digital Oscilloscopes

Electronics Repair & Circuit Troubleshooting

Tracing signal faults on PCBs, power supplies, and consumer electronics.

University & EEE Lab Training

Teaching waveform analysis, filter design, and signal theory in academic labs.

Embedded Systems & Microcontroller Testing

Verifying clock signals, PWM output, and communication protocols like I2C, SPI, and UART.

Industrial Maintenance & Field Diagnostics

Checking motor control signals, sensor output, and control panel wiring in factory settings.

Who Should Buy a Digital Oscilloscope?

EEE Students & Hobbyists

An entry digital scope like the Rigol DS1102Z-E covers coursework and personal projects without overspending.

Electronics Repair Technicians

A 100MHz DSO handles most consumer electronics repair work with room to spare.

Engineers & Product Developers

Higher-bandwidth units like the UNI-T UTD4302C support serious embedded and RF development.

Industrial Maintenance Teams

Rugged benchtop models suit routine diagnostics on factory floor equipment.

Why Buy Genuine Digital Oscilloscopes from astzbd.com

ASTZ sources genuine GwInstek, Rigol, UNI-T, LODESATAR, and MCP oscilloscopes directly, not grey-market imports. Every unit ships with manufacturer documentation, nationwide delivery across Bangladesh, and after-sales support if you need help with calibration or setup guidance.

Digital Oscilloscope FAQ

What is a digital oscilloscope used for?

A digital oscilloscope is used to visualize and measure electrical signals — checking voltage, frequency, and timing on circuit boards, embedded systems, and industrial equipment.

What bandwidth is good?

For general electronics repair and EEE coursework, 100MHz is sufficient. For RF or high-speed digital work, 200MHz or higher is recommended, such as the UNI-T UTD4302C at 300MHz.

Should I buy a 2-channel or 4-channel oscilloscope?

A 2-channel oscilloscope covers most single- and dual-signal comparison tasks, which is why all current ASTZ models are 2-channel. A 4-channel unit is only needed for complex multi-signal debugging.

What is the difference between a USB oscilloscope and a benchtop oscilloscope?

A USB oscilloscope relies on a connected laptop for its display and processing, while a benchtop oscilloscope is a standalone unit with its own screen, controls, and power supply — better suited for lab and repair bench use.

What is the price of an oscilloscope in Bangladesh?

Digital Oscilloscope price in Bangladesh at ASTZ ranges from ৳42,000 for the Rigol DS1102Z-E to ৳1,80,000 for the UNI-T UTD4302C, with analog options starting from ৳45,000.

Warranty & After-Sales Support (astzbd.com)

All oscilloscopes sold by ASTZ come with manufacturer warranty coverage and direct after-sales support from our technical team, including help with probe calibration, firmware guidance, and replacement parts when needed.