SDS1000CML+ Series
Two channels, 1 GSa/s and a 2 Mpts long-memory mode — sixty-four times the record of the entry model, for €13 more. One member of the series is still available: the 100 MHz SDS1102CML+, at €290.
The entry range, with the memory to be useful
The SDS1000CML+ is a conventional two-channel digital storage oscilloscope built on the same chassis and the same menus as the SDS1000DL+, and it is documented by the same manual. What separates it is underneath: 1 GSa/s of real-time sampling and a 2 Mpts long-memory mode against the DL+’s 500 MSa/s and 32 kpts.
Everything else you would expect of a laboratory instrument is there: 32 automatic measurements with five on screen at once, manual, track and auto cursors, a 6-digit hardware frequency counter, an FFT with four window functions, a software digital filter, a continuous waveform recorder, a hardware pass/fail comparator with a TTL output, and a LAN port with VXI-11 alongside USB-TMC so it scripts over SCPI.
The series was sold in 70, 100 and 150 MHz versions. Only the 100 MHz SDS1102CML+ is still available — the other two are out of stock and have left the Siglent price list. The next section says which is which rather than leaving you to discover it at the checkout.
Three models, one still available
All three share the acquisition engine, the 2 Mpts long memory, the 7-inch display and the full feature set. They differ in bandwidth, in the fastest edge they resolve, and in whether you can still buy them.
The 70 MHz member of the series. No longer in the Siglent European price list and out of stock with us — listed here because the model still exists in the field, not because it can be ordered.
The one to buy, and the only member still in the price list. 100 MHz with the full 1 GSa/s and the 2 Mpts long-memory mode — and €13 above the 50 MHz SDS1052DL+, which is the comparison that matters.
The 150 MHz top of the series, and the fastest edge in it at 2.3 ns. Also gone from the price list and out of stock — for more bandwidth today the answer is the SDS1202X-E.
Why two of them are listed but cannot be bought
The SDS1072CML+ and SDS1152CML+ are out of stock with us and no longer appear in the Siglent European price list. Together those two facts mean discontinued rather than temporarily unavailable, so we do not expect them back. Their listings stay up because the instruments are still in use, still supported and still take the firmware and documents below. If you need more than 100 MHz today, the model to look at is the SDS1202X-E at €339 — 200 MHz, 14 Mpts, and serial decoding included.
What 2 Mpts of long memory actually buys
Record length is the least intuitive number on an oscilloscope, so here it is as a picture. Both captures below are the same signal at the same settings — main timebase 250 µs per division, the same 500 ns zoom window, the same 477 kHz input. The only thing that differs is how many samples the record held.
Why this is the specification that matters
With a short record you are forced to choose. Either you set a fast sweep, sample densely and see only a narrow slice of time — or you set a slow sweep, capture a long stretch, and find that expanding any part of it runs out of samples. Deep memory removes the choice: you capture the long window and keep the resolution to look inside it.
That is the whole difference between this series and the SDS1052DL+ below it, and it costs €13. It is also why the comparison in the next section is worth two minutes before you order.
In numbers
2 Mpts against 32 kpts is a factor of 64. At a 250 µs/div sweep across sixteen divisions that is the difference between roughly half a million samples over the record and about eight thousand — which is why one of the two captures above can be expanded to 500 ns and the other cannot.
What every model in the series does
All standard. There are no licences, modules or upgrades for this series — not because they are bundled, but because none exist.
2 Mpts of long memory
The specification that defines this series. Sixty-four times the record of the SDS1052DL+, which is what lets you sample fast and still expand a narrow window cleanly.
1 GSa/s in real time
Twice the DL+, and enough for twenty samples per period at 50 MHz. Equivalent-time sampling reaches 50 GSa/s on genuinely repetitive signals.
A full 7-inch 800 × 480 screen
24-bit colour, 300 nit and 8 × 16 divisions — the same panel as the rest of the family, and large enough for two people to read across a bench.
32 automatic measurements
Voltage, timing and channel-to-channel delay parameters, five on screen at once or all together, with manual, track and auto cursors and a 6-digit hardware counter.
LAN, USB-TMC and SCPI
A LAN port with VXI-11 and a USB device port with USB-TMC, answering the standard SCPI command set — so it automates rather than being a bench-only instrument.
Pass/fail, recorder and FFT
Hardware mask comparison driving a 3.3 V TTL output, a continuous recorder with 7 M of recorder memory, a software digital filter and an FFT with four window functions.
Where the SDS1102CML+ sits
Between the cheapest oscilloscope Siglent make and the one most people should probably buy. All three are in stock; the whole range spans €62. Bold marks the better figure in each row — the shaded column is this page’s model, not the winner.
| SDS1102CML+ | SDS1052DL+ | SDS1202X-E | |
|---|---|---|---|
| Price | €290 | €277 | €339 |
| Bandwidth | 100 MHz | 50 MHz | 200 MHz |
| Real-time sample rate | 1 GSa/s | 500 MSa/s | 1 GSa/s |
| Record length | 2 Mpts | 32 kpts | 14 Mpts |
| Rise time (typical) | 3.5 ns | 7.0 ns | 1.8 ns |
| Fastest timebase | 2.5 ns/div | 5 ns/div | 1 ns/div |
| Waveform capture rate | Not specified | Not specified | 400,000 wfm/s (sequence) |
| Serial trigger & decode | — | — | I²C, SPI, UART, CAN, LIN — standard |
| Automatic measurements | 32 | 32 | 38, with statistics |
| Minimum vertical scale | 2 mV/div | 2 mV/div | 500 µV/div |
| Supplied probes | 2 × PP510 (100 MHz) | 2 × PB470 (70 MHz) | 2 × PP215 (200 MHz) |
| Availability | In stock | In stock | In stock |
Buy the SDS1102CML+ when
You want a straightforward, well-proven instrument with real record length and no learning curve — and you do not need serial decoding. It is also the right call when you are matching an existing fleet of CML+ or DL+ units, and when €49 a bench across a whole laboratory is money that has to come from somewhere. Against the SDS1052DL+ it is an easy yes: €13 for double the bandwidth and sixty-four times the record.
Spend €49 more when
You will ever look at a serial bus. The SDS1202X-E includes I²C, SPI, UART, CAN and LIN triggering and decoding, and adds 200 MHz, 14 Mpts, 400,000 waveforms per second and 38 measurements with statistics. For a general-purpose bench instrument bought today it is the better value, and we would rather say so.
SDS1000X-E series · SDS1000DL+ series
Where it is used
A general-purpose bench instrument, bought mostly where the combination of a large screen, real record length and a modest price matters more than the newest feature set.
Teaching and training laboratories
A conventional instrument with a large screen and automatic measurements, at a price that lets you equip a room. The long memory also makes it a better teaching tool than a shallow-memory scope: students can see what running out of samples looks like.
Repair and component-level service
100 MHz and 1 GSa/s cover microcontroller clocks, switching nodes, sensor outputs and supply rails. Two channels, 32 measurements and a zoom that stays clean deep in.
Digital timing and embedded work
2 Mpts is enough to capture a long stretch of activity and then expand a single edge inside it — the measurement a 32 kpts instrument cannot make. There is no serial decoding, so for bus work look at the SDS1202X-E instead.
Audio, analogue and power electronics
Where bandwidth is never the constraint but record length often is: mains-frequency envelopes, start-up transients, ripple over many cycles. Use a differential probe for anything floating.
Production and functional checks
The hardware pass/fail comparator, its TTL output and SCPI over LAN make a repeatable go/no-go station without paying for an instrument that can do far more.
Matching an existing fleet
If your laboratory already runs SDS1000CML+ or SDS1000DL+ units, another one behaves identically, takes the same probes and the same case, and is covered by the same manual and the same training.
Specifications
From the SDS1000DL+/CML+ data sheet, DS0101A-E03A. Figures are for the CML+ models; where they differ between the three, all are given. Note that the same document also covers the SDS1052DL+, whose sample rate and record length are lower.
| Models | SDS1072CML+ 70 MHz · SDS1102CML+ 100 MHz · SDS1152CML+ 150 MHz — only the SDS1102CML+ is currently available |
| Channels | 2, plus an external trigger input |
| Real-time sample rate | 1 GSa/s |
| Equivalent-time sample rate | Up to 50 GSa/s, on repetitive signals only |
| Record length | 40 kpts in normal mode · 2 Mpts in long-memory mode |
| Vertical resolution | 8-bit |
| Vertical scale | 2 mV/div to 10 V/div in 1-2-5 steps (probe 1×) |
| Offset range | ±1.6 V from 2 mV/div to 200 mV/div · ±40 V from 206 mV/div to 10 V/div |
| Input | 1 MΩ ±2% in parallel with 18 pF ±3 pF · DC, AC and GND coupling · max. 400 V · channel isolation >100:1 |
| Probe attenuation | 1×, 10×, 50×, 100×, 500×, 1000× |
| DC gain accuracy | ±3.0% from 5 mV/div to 10 V/div · ±4.0% at 2 mV/div |
| Rise time (typical) | 5.0 ns (SDS1072CML+) · 3.5 ns (SDS1102CML+) · 2.3 ns (SDS1152CML+) |
| Bandwidth limit | 20 MHz |
| Acquisition modes | Normal, peak detect, average (4 to 256) · Sin(x)/x interpolation · software digital filter |
| Timebase | 2.5 ns/div (100 and 150 MHz models) or 5 ns/div (70 MHz model) to 50 s/div · accuracy ±50 ppm · scan mode 100 ms/div to 50 s/div |
| Display formats | Y-T, X-Y and scan · channel skew <500 ps |
| Trigger types | Edge, pulse, video (NTSC, PAL/SECAM), slope, alternate |
| Trigger sources | CH1, CH2, EXT, EXT÷5, AC line · coupling AC, DC, LF reject, HF reject · holdoff 100 ns to 1.5 s |
| Measurements | 32 parameters — voltage, timing and channel-to-channel delay · five displayed at once, or all together |
| Cursors | Manual, track and auto |
| Counter | 6-digit hardware frequency counter, 1 Hz resolution |
| Maths | +, −, ×, ÷, FFT · FFT windows: rectangular, Blackman, Hanning, Hamming · full-screen or split display |
| Recorder | Continuous waveform recorder with 7 M of recorder memory, to internal storage or a USB stick |
| Pass/fail | Mask comparison against a user-defined template, 3.3 V TTL output |
| Save / recall | 2 reference traces, 20 setups and 10 waveforms internally · setups, waveforms, BMP and CSV to a USB stick |
| Display | 7-inch TFT-LCD, 800 × 480, 24-bit colour, 500:1, 300 nit · 8 × 16 divisions · persistence off, 1 s, 2 s, 5 s or infinite |
| I/O | USB host (front) · USB device, USB-TMC (rear) · LAN with VXI-11 · pass/fail output |
| Remote control | Standard SCPI command set over LAN and USB-TMC |
| Supplied probes | Two per instrument — PP510 with the 70 and 100 MHz models, PP215 with the 150 MHz model |
| Languages | Twelve, including English, German, French, Italian, Spanish, Portuguese, Russian, Arabic, Japanese, Korean and Chinese · embedded on-screen help |
| Power | 100–240 V 50/60 Hz or 100–120 V 400 Hz · 50 W max |
| Dimensions | 323.1 × 135.6 × 157 mm (L × W × H) |
| Weight | 2.5 kg net |
| Environment | 10 to +40 °C operating, −20 to +60 °C storage · 85% RH · to 3,000 m |
It automates like a laboratory instrument
A LAN port with VXI-11 and a USB device port with USB-TMC are standard, and the instrument answers the standard SCPI command set — so it drops into an existing test framework rather than having to be driven by hand. EasyScopeX adds a remote front panel, screen capture and waveform transfer from a PC, and a LabVIEW driver is published for the family.
The pass/fail output is a 3.3 V TTL line driven by the hardware mask comparator, which is what makes a repeatable automated go/no-go check possible at this price.
About the 9-pin connector. Some units on this chassis carry a DB9 on the rear panel, but neither the data sheet nor the user manual lists RS-232 as a supported interface — both document only USB host, USB device, LAN and the pass/fail output. If you need serial control, ask us first rather than planning around it.
In the box
As supplied with the SDS1102CML+. Two probes, one per channel, each with its accessory kit.
| Oscilloscope | SDS1102CML+ |
| Passive probes | Two PP510 — 100 MHz, 1×/10×, 150 V / 300 V RMS CAT II, each with its accessory kit |
| Power cord | Regional mains lead |
| USB cable | USB-A to USB-B, for USB-TMC remote control |
| Quick start guide | Printed |
| Certificate of conformance | Factory certificate |
Accessories
There are no software options or licences for this series — nothing can be unlocked after purchase, and no rack kit fits this chassis (the SDS1X-E-RMK is for the SDS1000X-E, SDS1000X-U, SDS2000X-E and SDS800X HD, and this instrument is 323 × 136 × 157 mm). These are the physical accessories that do fit. Prices exclude VAT.
| Code | What it is | Price |
|---|---|---|
| BAG-S1 | Soft carry case. Siglent’s price list names the SDS1000DL+/CML+ series for this case explicitly. | €59 |
| PP510 | Spare or extra 100 MHz 1×/10× passive probe — the one supplied with the SDS1102CML+. | €16 |
| PAK1 | Probe accessory kit — tips, sprung hooks, ground leads and colour rings for the PP510 and the other Siglent passive probes. | €8 |
| STB-3 | Demonstration and training board — square, sine, AM, fast edge, PWM, I²C, CAN and LIN sources. The natural companion in a teaching laboratory. | €189 |
| ISFEOUT OF STOCK | Isolated front end — two isolated channels, ±600 Vpk, floating to 1000 Vrms from earth and 2000 Vrms between the two, USB powered. ⚠ 1 MHz bandwidth: it buys isolation, not speed. | €121 |
| DPB5150 | 70 MHz differential high-voltage probe, 1500 V, 50×/500× — for the floating measurements the scope inputs cannot make on their own. | €825 |
| CP4020 | AC/DC current clamp, 60 A peak, 200 kHz — read current without breaking the circuit. | €409 |
Also worth looking at
SDS1202X-E
A generation newer: 200 MHz, 14 Mpts, 400,000 wfm/s and I²C, SPI, UART, CAN and LIN decoding included. The answer for serial-bus work.
SDS1052DL+
The step below: 50 MHz, 500 MSa/s and 32 kpts, for €13 less. Worth it only when the budget line genuinely will not stretch.
BAG-S1 carry case
Padded soft case, listed by Siglent for this series by name.
STB-3 demo and training board
Known-good square, sine, AM, fast-edge, PWM, I²C, CAN and LIN signals — for teaching, and for proving an instrument is behaving.
ISFE isolated front end
Two isolated channels, ±600 Vpk, floating to 1000 Vrms — but only 1 MHz of bandwidth. Currently out of stock; ask us for the lead time.
Differential high-voltage probes
For gate drives, DC buses and mains-referenced circuits — measurements the 400 V inputs cannot make on their own.
Current probes
Clamp round a conductor and read amps without breaking the circuit. CP4000 and CP5000 series, 60 A to 500 A.
Probes and accessories
The full range of passive, differential, current and high-voltage probes for Siglent oscilloscopes.
Manuals, data sheets and downloads
Everything Siglent publish for this series, including for the two discontinued models. These links go to the factory download service, which always serves the current revision. The data sheet, user manual and quick start guide are shared with the SDS1000DL+ — that is correct, not a mislabelled file. The firmware is not shared.
Covers the SDS1000CML+ and SDS1000DL+ together. The CML+ columns carry the 1 GSa/s and 2 Mpts figures; the SDS1052DL+ column does not.
Every function menu by menu, including long memory, the recorder, the pass/fail mask and the digital filter.
Unpacking, first power-up, the front and rear panel layout and the safety notes.
The SCPI command set for the SDS1000, SDS2000X and SDS2000X-E families.
The SDS1000CML+ / DL+ Schnellstart, in German.
The binary waveform file format, for post-processing captures on a computer.
Specifications for the whole Siglent probe range, including the supplied PP510.
Which probe ships with which oscilloscope, as published by the factory.
Firmware and software
⚠ CML+ firmware only. The SDS1000DL+ image (V6.02.01.xx) is a different build and must not be installed here, even though the two families share their documentation.
The PC application: remote front panel, screen capture, waveform and setup transfer.
Instrument driver for the SDS1000, SDS2000X and SDS2000X-E families.
Older revisions and documents for every other Siglent instrument are on our downloads page, searchable by model number.
All downloadsQuestions we are asked
Which models can I actually buy?
Only the SDS1102CML+, the 100 MHz model. The 70 MHz SDS1072CML+ and the 150 MHz SDS1152CML+ are out of stock with us and no longer appear in the Siglent European price list, which together means discontinued. They are shown above because the instruments still exist in the field and are still supported, not because they can be ordered. For more than 100 MHz today, the model to look at is the SDS1202X-E.
What is the difference between this and the SDS1052DL+?
Bandwidth, sample rate and — the one that actually changes how you work — record length. The SDS1102CML+ gives 100 MHz, 1 GSa/s and a 2 Mpts long-memory mode; the SDS1052DL+ gives 50 MHz, 500 MSa/s and 32 kpts, with no long-memory mode at all. That is sixty-four times the record for €13. Same chassis, same menus, same manual, same case.
What does 2 Mpts of long memory actually buy me?
The ability to sample fast and capture a long window at the same time, and then expand a narrow part of it and still have real samples there. With a short record you must choose: either a fast sweep that sees a small slice, or a slow sweep whose zoom turns ragged. The two screenshots above are the same signal at the same settings with a different record length behind them — that is the whole difference.
Does it decode serial buses?
No, and no option adds it. There are no licences, modules or upgrades for this series at all. If you work on I²C, SPI, UART, CAN or LIN, the instrument to buy is the SDS1202X-E at €339, where all five are standard, along with 14 Mpts and 400,000 waveforms per second.
Is the SDS1102CML+ or the SDS1202X-E the better buy?
The SDS1202X-E, for most people, at €49 more: double the bandwidth, seven times the record, a far faster capture rate and free serial decoding. The SDS1102CML+ makes sense when you want a simple conventional instrument, when you are matching a fleet of them, or when €49 across a dozen benches is real money. We will tell you which honestly if you describe what you measure.
Which probes are supplied?
Two per instrument: PP510 100 MHz probes with the SDS1072CML+ and SDS1102CML+, and PP215 200 MHz probes with the SDS1152CML+ — each with its accessory kit, so nothing extra is needed to start work.
Can I control it from a script?
Yes. LAN with VXI-11 and USB-TMC are standard and it answers the standard SCPI command set, so it drops into a test framework like any other instrument. EasyScopeX and a LabVIEW driver are in the downloads below.
Is there a rack kit?
No. The SDS1X-E-RMK is specified for the SDS1000X-E, SDS1000X-U, SDS2000X-E and SDS800X HD, and this is a physically different chassis at 323 × 136 × 157 mm. If the instrument has to live in a rack, start from a model the kit actually fits.
How high a voltage can I measure?
The inputs are rated 400 V and the supplied PP510 probes are 150 V / 300 V RMS CAT II. Beyond that you need a differential probe such as the DPB5150. Never put a mains-referenced circuit directly on a scope input — both probe grounds are joined inside the instrument, so the earth lead becomes a short circuit.
Is the series still supported?
Yes. The SDS1102CML+ is in the current price list and we hold stock, and firmware is still published for the family — the most recent CML+ build is V6.01.01.25. It carries three years of manufacturer warranty, handled by us in the Netherlands, and we can supply it with an ISO or DKD/DAkkS calibration certificate.
Not sure where in the range to buy?
The SDS1052DL+, the SDS1102CML+ and the SDS1202X-E span €62 in total, and the right one depends entirely on what you measure. Tell us and we will say plainly which it is — including when the cheapest one is enough. We are the official Siglent distributor for the European Union, we hold stock in the Netherlands, and we can supply any of them with an ISO or DKD/DAkkS calibration certificate.
Specifications on this page are taken from Siglent’s official SDS1000DL+/CML+ data sheet (DS0101A-E03A) and the shared user manual (UM0101A-E02B), and are published for guidance only. They are subject to change without notice, and errors and omissions are excepted. The manufacturer’s current data sheet is the definitive reference.