
digiDART
Portable digital MCA
- Compatible detectors
- SMART-1 HPGe detectors; other detectors via a Detector Interface Module (DIM)
- Spectrum channels
- 512–16 k

Bild: ORTEC
NIM mca, counter and timer
Compact NIM instrument combining a multichannel analyzer, counter, timer and ratemeter for nuclear measurement setups.
Download product sheet (PDF)All values with references – for tender documents
Specifications checked against the manufacturer’s documents on 2026-10-16
The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.
| Dead time per event | 2 µs including memory transfer (MCA)1 |
|---|---|
| Dead-time correction | Gedcke-Hale or ZDT (MCA)1 |
| Counter capacity | 32 bits1 |
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| Communication | USB 2.01 |
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| Power supply | Power required: +6 V 350 mA; −6 V 225 mA; +12 V 100 mA; −12 V 100 mA2 |
|---|
| Weight | 0.9 kg net1 |
|---|
| Included software | 928: MAESTRO and front-panel software1 |
|---|
| Maximum counting rate | 200 MHz1 |
|---|---|
| Number of counters | 41 |
| Number of timers | 21 |
| Module format | Single-width NIM1 |
| Module width | Single width (NIM standard), front panel 3.43 × 22.13 cm2 |
The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.
3 models in the series. Filter or scroll the table to compare.
| Model | Number of counters | Number of timers3 | Maximum counting rate3 | Counter capacity3 | Pulse-pair resolution3 | MCA function1 | Included software | Spectrum channels3 | Dead time per event3 | Input signal3 | Dead-time correction1 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 928-COUNT2 | 23 | 1 | 200 MHz | 32 bits | 7 ns | No MCA | Front-panel emulator1 | – | – | – | – |
| 928-COUNT4 | 43 | 2 | 200 MHz | 32 bits | 7 ns | No MCA | Front-panel emulator1 | – | – | – | – |
| 928-MCB | None1 | – | – | – | – | – | MAESTRO3 | Up to 16,384; software selectable as 512, 1,024, 2,048, 4,096, 8,192 or 16,384 | 2 µs including memory transfer | Positive analogue pulses, 0 to +10 V | Gedcke-Hale or ZDT |
The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

Portable digital MCA

Basic analog MCA

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Interchangeable HPGe detector module for measurement systems
We help you choose the right configuration, detector and accessories for your measurement task.