DSPEC-Jr. 2.0

Digital gamma spectrometer

Compact digital spectrometer for gamma spectroscopy, with signal processing that can be tuned to the detector and measurement.

Detector type: HPGe; NaI through appropriate DIM1
Spectrum channels: 512–16 k, software selectable1
Weight: 1.0 kg1

Download product sheet (PDF)All values with references – for tender documents

Specifications checked against the manufacturer’s documents on 2026-10-16

Manufacturer’s product page (opens in a new tab)

Overview

Nuclear power & nuclear technology Research & laboratories Environmental monitoring & radiation protection

Key features

Adjustable rise-time and flat-top settings.
Automatic optimization helps select measurement parameters.
SMART-1 support for compatible HPGe detectors.

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.

Detector

Detector type	HPGe; NaI through appropriate DIM1

Performance

Maximum throughput	>100,000 cps without LFR; >34,000 cps with LFR; depends on shaping settings1

Electronics & signal

Spectrum channels	512–16 k, software selectable1
Digital filter rise time	0.8–23 µs, 0.2 µs steps1
Flat-top time	0.3–2.4 µs, 0.1 µs steps1

Connectivity & interface

Communication	USB1
Display	240 × 160 pixels, backlit LCD for status1

Power & battery

Power supply	+12 V DC, <1.25 A1

Mechanical

Dimensions	8.1 × 20.3 × 24.9 cm (H × W × D)1
Weight	1.0 kg1

Environment & ratings

Operating temperature	0 to +50 °C, including LCD1

Ordering & accessories

Included software	MAESTRO1

The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.

Documents

PDFDSPEC jr 2.0 – High-Performance, Digital Signal Processing for Gamma-Ray SpectrometryDatasheet · ORTEC

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
DSPEC jr 2.0 – High-Performance, Digital Signal Processing for Gamma-Ray Spectrometry
Publisher: ORTEC (AMETEK)Brochure p. 2 benefits; p. 8 Detector High Voltage Supplies; p. 7, Specifications – System Conversion Gain; p. 7 Inputs and Outputs; p. 2; p. 7, Specifications – Display … Checked 2026-10-16