ORTEC (AMETEK)
ORTEC
digiDART
Portable digital MCA
- Compatible detectors
- SMART-1 HPGe detectors; other detectors via a Detector Interface Module (DIM)
- Spectrum channels
- 512–16 k
1 model
Bild: ORTEC
DSPEC 50/50A & 502/502A
Digital gamma spectrometer / MCA
Digital signal processing for laboratory HPGe gamma spectroscopy. The family includes single- and dual-MCA models, with options for advanced coincidence timing.
Download product sheet (PDF)All values with references – for tender documents
Specifications checked against the manufacturer’s documents on 2026-10-16
Overview
Key features
- Automatic stabilization and signal-processing setup.
- USB 2.0 and Ethernet connectivity.
- ZDT, list mode and charge-trapping correction.
Specifications
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.
Performance
| Maximum throughput | >100,000 cps without LFR; >34,000 cps with LFR; depends on shaping settings1 |
|---|
Electronics & signal
| Detector inputs | 1 MCA: 50/50A; 2 MCAs: 502/502A1 |
|---|---|
| Spectrum channels | 50/502: 512–16 k; 50A/502A: 256–64 k1 |
| Digital filter rise time | 0.8–23 µs, 0.2 µs steps1 |
| Flat-top time | 0.3–2.4 µs, 0.1 µs steps1 |
| Detector bias | Internal: +500 to +5,000 V or −500 to −5,000 V1 |
Connectivity & interface
| Communication | USB 2.0 and 10/100 Mbit/s Ethernet, TCP/IP1 |
|---|---|
| Display | 7-inch backlit colour LCD1 |
Power & battery
| Power supply | 100–220 V AC, 47–63 Hz, 110 W1 |
|---|
Ordering & accessories
| Included software | 50/502: MAESTRO; 50A/502A: MAESTRO-Pro, single-user license1 |
|---|
General
| Acquisition modes | PHA, list mode and ZDT; Gate Route only on A models1 |
|---|---|
| List-mode timestamp | 200 ns timestamp accuracy1 |
The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.
Models
4 models in the series. Filter or scroll the table to compare.
4 / 4
| Model | Detector inputs2 | Spectrum channels2 | Acquisition modes2 | Included software2 | Web interface2 |
|---|---|---|---|---|---|
| DSPEC-50 | 1 (single MCA with one internal HV supply) | 512–16 k | PHA, list mode, ZDT | MAESTRO | – |
| DSPEC-50A | 1 (single MCA with one internal HV supply) | 256–64 k | PHA, list mode, ZDT; Gate Route | MAESTRO-Pro | Instrument-hosted web page and Web Services interface for basic MCA emulation, hardware configuration and programming |
| DSPEC-502 | 2 (two MCAs with two internal HV supplies) | 512–16 k | PHA, list mode, ZDT | MAESTRO | – |
| DSPEC-502A | 2 (two MCAs with two internal HV supplies) | 256–64 k | PHA, list mode, ZDT; Gate Route | MAESTRO-Pro | Instrument-hosted web page and Web Services interface for basic MCA emulation, hardware configuration and programming |
Documents
Sources
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.
- 1
- 2
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IDM-200-V
Interchangeable HPGe detector module for measurement systems
- Relative efficiency
- >50% typical (ANSI/IEEE 325-1996)
- Energy resolution at 122 keV
- ≤1400 eV FWHM (warranted at optimum settings)
- Energy resolution at 1.33 MeV
- ≤2.3 keV FWHM at 1,332 keV (warranted at optimum settings)
24 referenced values
Contact us
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Oscar ÅgerstamFounder & CEO