FNIRSI DSO-152 Plus vs DSO-153 Malaysia – Which Mini Oscilloscope Should You Buy?
FNIRSI DSO-152 Plus vs DSO-153 Malaysia – Which Mini Oscilloscope Should You Buy?
If you are looking for a small FNIRSI digital oscilloscope, you may come across both the FNIRSI DSO-152 Plus and FNIRSI DSO-153.
Both are compact instruments aimed at users who want something smaller and more portable than a traditional bench oscilloscope.
However, they should not automatically be treated as the same product.
The better choice depends on one important question:
What type of signals do you actually need to measure?
DSO-152 Plus vs DSO-153 – Main Difference
The biggest consideration is measurement capability.
The DSO-152 Plus is positioned as an entry-level mini oscilloscope for basic waveform observation and lower-frequency electronics troubleshooting.
The DSO-153 provides higher oscilloscope performance and also adds a more useful signal generator function.
A simplified comparison is:
| Feature | FNIRSI DSO-152 Plus | FNIRSI DSO-153 |
|---|---|---|
| Product Type | Mini Digital Oscilloscope | Mini Digital Oscilloscope + Signal Generator |
| Oscilloscope Bandwidth | 200 kHz class | 1 MHz |
| Sampling Rate | 2.5 MS/s class | 5 MS/s |
| Portability | Very Good | Very Good |
| Basic Waveform Learning | Yes | Yes |
| Low-Frequency Troubleshooting | Yes | Yes |
| Signal Generator | Limited/calibration output depending on version | Dedicated waveform generation capability |
| Higher-Frequency Capability | Limited | Better |
| Beginner Use | Very Suitable | Suitable |
Specifications should always be confirmed against the exact version supplied before purchase.
Why Choose the DSO-152 Plus?
The DSO-152 Plus makes the most sense when your requirements are simple.
For example, you may only want to:
Learn how an oscilloscope works
See a basic waveform
Check whether a signal is present
Experiment with Arduino PWM
Troubleshoot low-frequency electronic circuits
Carry a small oscilloscope in your toolbox
If those are your main requirements, paying for capabilities you do not need may not be necessary.
This is where the DSO-152 Plus has a clear position.
It is an entry-level waveform troubleshooting tool.
Why Choose the DSO-153?
The DSO-153 becomes more interesting when you want additional measurement capability.
Its higher bandwidth provides more room for working with faster signals compared with the DSO-152 Plus.
The integrated signal-generation capability is another important advantage.
This allows the instrument to play two roles:
Observe a signal
and
Generate a test waveform
For electronics learning and basic circuit testing, this combination can be convenient.
What Is the Advantage of a Signal Generator?
A signal generator produces a known electrical waveform that can be applied to a suitable circuit.
You can then use the oscilloscope to observe how the circuit responds.
For example:
Signal Generator → Circuit Input → Circuit Output → Oscilloscope
This can be useful when learning about:
Amplifiers
Filters
Signal-processing circuits
Basic electronic circuits
Frequency response concepts
Having oscilloscope and waveform-generation functions in one portable instrument can therefore be useful for students and electronics hobbyists.
Which Is Better for Beginners?
For someone completely new to oscilloscopes, the DSO-152 Plus may be sufficient.
It allows beginners to learn fundamental concepts such as:
Voltage scale
Time base
Trigger
Frequency
Period
Amplitude
Waveform shape
The user can start with simple signals before deciding whether more advanced equipment is required.
However, a beginner who already knows that signal generation will be useful may prefer the DSO-153.
Which Is Better for Electronics Repair?
This depends on the equipment being repaired.
For simple low-frequency troubleshooting, the DSO-152 Plus may be sufficient to answer questions such as:
Is there a signal?
Is the oscillator running?
Is the pulse present?
Where does the waveform disappear?
For somewhat more demanding electronics troubleshooting, the higher capability of the DSO-153 provides additional flexibility.
Neither model should automatically be considered a replacement for a professional bench oscilloscope.
Which Is Better for Arduino?
Both can be useful for suitable Arduino experiments.
The DSO-152 Plus can be considered when the objective is basic PWM and low-frequency waveform learning.
The DSO-153 is more attractive if you expect to explore a wider range of signals or want waveform generation as part of your experiments.
However, modern microcontrollers can operate with signals far beyond the capabilities of small entry-level oscilloscopes.
Always compare the signal requirements with the oscilloscope specifications.
Which Is Better for Students?
There are two ways to look at this.
For a student who only wants to learn:
“How does an oscilloscope work?”
the DSO-152 Plus can provide a lower entry point.
For a student who wants to learn:
“How do I generate a waveform, feed it into a circuit and observe the output?”
the DSO-153 may provide a more complete learning platform.
The better choice depends on the course and experiments being performed.
Don't Buy Based Only on Bandwidth
It is easy to compare:
200 kHz vs 1 MHz
and immediately conclude that the larger number is always better.
But that is not necessarily the correct buying approach.
If your application only involves very basic low-frequency signals, the extra capability may not provide much practical benefit.
On the other hand, if you already expect your projects to become more advanced, buying the higher-capability model may reduce the need to upgrade quickly.
When Should You Skip Both?
There are also applications where neither model should be your first choice.
Consider a higher-performance oscilloscope if you need:
Multiple channels
Higher-frequency measurement
Detailed digital waveform analysis
Professional electronics development
Fast switching analysis
Advanced triggering
Protocol decoding
Long waveform recording
More accurate laboratory measurement
FNIRSI also offers higher-performance oscilloscope models for users whose requirements go beyond basic mini oscilloscopes.
Simple Buying Decision
For most buyers, the decision can be simplified.
Choose FNIRSI DSO-152 Plus if you want:
Basic oscilloscope learning
Simple waveform checking
Low-frequency electronics troubleshooting
Compact size
Lower entry cost
Choose FNIRSI DSO-153 if you want:
Higher bandwidth
More measurement headroom
A dedicated signal generator function
More room for future electronics projects
A more capable portable learning instrument
DSO-152 Plus vs DSO-153 Malaysia
There is no single best model for everyone.
For basic electronics learning and occasional waveform checking, the FNIRSI DSO-152 Plus may already be sufficient.
For users who want higher oscilloscope capability and integrated waveform generation, the FNIRSI DSO-153 is the stronger option.
Before buying, tell MTM Precision:
What equipment are you testing?
What signal frequency do you expect?
Do you need a signal generator?
Are you using it for learning or professional troubleshooting?
We can help you compare the FNIRSI models according to your actual application instead of simply recommending the model with the highest specification.
MTM Precision Sdn Bhd
Showroom & Service Centre:
No. 29-1 & 2, Jalan Bandar 18,
Pusat Bandar Puchong,
47160 Puchong, Selangor, Malaysia.
Tel: 03-8080 7172
WhatsApp: +6016-660 7346
Email: mtmpre@yahoo.com
Website: www.mtmpre.com.my
Supplying test and measurement instruments throughout Selangor, Kuala Lumpur, Johor, Penang, Melaka, Negeri Sembilan, Perak, Pahang, Kelantan, Terengganu, Kedah, Perlis, Sabah and Sarawak.
06 Oct 2026
