928 EASY-NIM

NIM mca, counter and timer

Compact NIM instrument combining a multichannel analyzer, counter, timer and ratemeter for nuclear measurement setups.

Spectrum channels
512–16,384, software selectable1
Weight
0.9 kg net1
Datasheet

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

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

Overview

Key features

  • 16k-channel MCA with USB 2.0 connection.
  • Counter with 200 MHz performance.
  • Front-panel emulator software.

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

Dead time per event2 µs including memory transfer (MCA)1
Dead-time correctionGedcke-Hale or ZDT (MCA)1

Electronics & signal

Spectrum channels512–16,384, software selectable1
ADC conversion time1.25 µs1

Cooling

Counter capacity32 bits1

Connectivity & interface

CommunicationUSB 2.01

Power & battery

Power supplyPower required: +6 V 350 mA; −6 V 225 mA; +12 V 100 mA; −12 V 100 mA2

Mechanical

Weight0.9 kg net1

Ordering & accessories

Included software928: MAESTRO and front-panel software1

General

Maximum counting rate200 MHz1
Number of counters41
Number of timers21
Module formatSingle-width NIM1
Module widthSingle 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.

Models

3 models in the series. Filter or scroll the table to compare.

3 / 3
ModelNumber of countersNumber of timers3Maximum counting rate3Counter capacity3Pulse-pair resolution3MCA function1Included softwareSpectrum channels3Dead time per event3Input signal3Dead-time correction1
928-COUNT2231200 MHz32 bits7 nsNo MCAFront-panel emulator1––––
928-COUNT4432200 MHz32 bits7 nsNo MCAFront-panel emulator1––––
928-MCBNone1–––––MAESTRO3Up to 16,384; software selectable as 512, 1,024, 2,048, 4,096, 8,192 or 16,3842 µs including memory transferPositive analogue pulses, 0 to +10 VGedcke-Hale or ZDT

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. 1
    Publisher: ORTEC (AMETEK)Product page Specifications tab – MultiChannel Buffer (928 and 928-MCB); Specifications tab – Electrical and Mechanical (All); Highlights; Specifications tab – MultiChannel Buffer … Checked 2026-10-16
  2. 2
    Publisher: ORTEC (AMETEK)Manual Manual, Specifications – Dimensions; Manual, Specifications – Power Required Checked 2026-10-16
  3. 3
    Publisher: ORTEC (AMETEK)Brochure p. 4, Counter/Timer/Rate Meter Specifications; p. 4, MCB Specifications (928 and 928-MCB); p. 5, Ordering Information Checked 2026-10-16
digiDART
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
DSPEC 50/50A & 502/502A
ORTEC

DSPEC 50/50A & 502/502A

Digital gamma spectrometer / MCA

Spectrum channels
50/502: 512–16 k; 50A/502A: 256–64 k
Weight
DSPEC 50: 11 kg; DSPEC 502: 11.7 kg
4 models
IDM-200-V
ORTEC

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
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