Allows for harmonic analysis up to the 31st harmonic.
+-------------------------------------------------------------+ | CONAR MODEL 251 CRT | | | | [Vert Gain] ( O ) [Intensity] [Horiz Gain] | | --- | | [Vert Cent] / \ [Horiz Cent] | | | Trace| | | [Sync Select] \ / [Sweep Range] | | --- | | (O) (O) (O) (O) (O) (O) | | Inputs Outputs | +-------------------------------------------------------------+
Here is a summary of its key specifications:
The AEMC OX5042 Portable Handscope Oscilloscope Kit with MN251T AC current probe Go to product viewer dialog for this item.
The "251" designation in our case encompasses a few different scopes. Some are ones, which display signals in real-time using a cathode ray tube (CRT), while others are educational models designed for training. Analog and digital oscilloscopes, like the Scientech ST251, use a CRT to paint a glowing trace of the signal and are prized for their classic look and feel. oscilloscope 251
A memory depth of 8M to 10M points allows for long-duration captures without losing detail.
The Owon SDS251 is a compact, feature-rich oscilloscope suitable for a wide range of applications, from educational to industrial. While it may not excel in every area, its strengths in performance, features, and value make it an attractive option for those seeking a reliable, mid-range oscilloscope.
If you tell me what specific equipment you are troubleshooting, I can help you confirm if this is the right tool or suggest alternative probes. Share public link
The two channels are fully isolated to ensure safe, accurate measurements, preventing short circuits when measuring multiple points. Allows for harmonic analysis up to the 31st harmonic
Usually paired with a 1 GSa/s (Giga-samples per second) rate to ensure real-time accuracy. Key Features of Modern 250 MHz Oscilloscopes Professional-grade scopes in this category, such as the Hantek TO1254D Go to product viewer dialog for this item. or Keysight InfiniiVision , typically offer a robust feature set:
It was designed as an educational tool for student builders, radio amateurs (Ham radio), and early television repair technicians.
| Feature | Pintek PS-251 | CONAR Model 251 | Scientech ST251 | | :--- | :--- | :--- | :--- | | | 25 MHz | 5 MHz | 30 MHz | | Channels | 2 | 1 | 2 (displays 4 traces) | | Type | Analog | Analog (Kit) | Analog (CRO) | | Component Tester | Yes | No | Yes | | Primary Use | General Purpose / Lab | Education / Hobbyist | Education / Training | | Current Status | Discontinued | Vintage / Restorable | Obsolete |
: These are serious machines built for ultra-high-speed signal acquisition. Some are ones, which display signals in real-time
a reliable choice for engineers who need a "lab in a pocket" experience. The ability to record and download data, combined with the versatility of the MN251T probe, ensures that complex electrical issues can be diagnosed quickly in the field.
: Primarily designed to measure and graph electric voltage (Y-axis) against time (X-axis).
are based on June 2026 data, with competitive options available from retailers like Test Equipment Depot and Global Test Supply. If you'd like to compare the
, the fundamental structural principles of an oscilloscope apply across the board. Every analog unit processes the signal through three primary hardware systems.
A stable, clear waveform relies on a good trigger system. The PS-251 features a comprehensive triggering section with sources like . It also includes TV-V and TV-H coupling modes, which are specifically designed for triggering on the vertical and horizontal sync pulses of video signals. This makes the PS-251 more than just a general-purpose scope; it's capable of performing basic video signal analysis.