DigiDART Portable HPGe Multichannel Analyzer
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ORTEC digiDAWl “The EXTRA-ordinary portable HPGe MCA!” VMETEK ADVANCED MEASUREMENT TECHNOLOGY

• High-performance RUGGED HPGe grade spectrometer, 16k channels. • DIGITALLY stable: consistent answers for long counts, changing count-rates and temperatures. • Operates WITHOUT an attached PC. • Built-in backlit LCD display and control keypad — Live display of acquiring data. • Energy calibration using keypad. • Nuclide ID and activity calculation for nine Regions of Interest (ROI). • High throughput — over 100,000 processed pulses per second. • Fits in the palm of your hand or hangs from your belt. • Holds 23 16k spectra in internal memory (614 at 512 resolution). • Battery life >9...

Keypad and Display Features Status Line ORTEC digi DART Marker Line (cursor) Arrow Keys Left/Backspace Right/Decimal Point Down/Shorter Up/Taller Enter Values/ Jump thru Spectrum Zoom In Power On/Off 0X0X0 QXOXQ MENU CNiTI Spectrum/ Acquisition Controls Zoom Out (full view) Display Menu/Select/ Enter Value 1 - View Status 2 - Enter ID 3 - Nuclide ROIs 4 - Status Line 5 - Peak Info 6 - Adjust Controls 7 - General Settings 8 - Spectrum Memory Live Time Real Time Dead Time (%) Battery (% full) Fine Gain Coarse Gain Rise Time Flat Top BLR Setting

Real Time Activity Calculations . . . DigiDART can also perform nuclide ID and activity calculations using internally stored calibration information, at the touch of a button, and all without the use of an attached PC. Everything is user controlled: the library for analysis, displayed peak labels, unit labels and calibration parameters. They are all easily downloaded by MAESTRO to the DigiDART, but they can be changed in-field to adapt to your changing needs. Activity is calculated for the list of up to 9 nuclides. The spectral data can be saved and later re-analyzed in more detail using a...

Authentication using the SMART-1 Detector The DigiDART/SMART-1 combination also guarantees spectrum authenticity. At the start of the acquisition, the DigiDART reads the SMART-1 detector serial number. The DigiDART generates a random number and writes it to the SMART-1 detector. At the end of the acquisition, the DigiDART reads both numbers from the SMART-1 detector and compares the "stop" values to the "start" values. An exact match assures data integrity. Because DigiDART, like all ORTEC MCA products, forms part of the CONNECTIONS architecture, these operations may be carried out remotely...

System Specifications Display: 240 x 160 pixel backlit LCD provides LIVE spectral display, status information and analysis results. Full Display and Zoom Modes: Display of multiple ROIs. Status Line: User-configurable parameter display. Choice of two from: cursor energy, location, live time, live time remaining, real time remaining, battery life remaining, Count rate, Count rate in ROI, counts. The spectral display may be disabled from an attached computer using an administrator function. Energy Calibration: Two point energy calibration of channel and FWHM. On Line Activity Calculation:...

Dead-Time Correction: Extended live-time correction according to Gedcke-Hale method. Accuracy: Area of reference peak changes ±3% from 0 to 50,000 counts per second. Linearity Integral Nonlinearity: <±0.025% over top 99.5% of spectrum, measured with a mixed source (55Fe @ 5.9 kev to 88Y @ 1836 kev). Differential Nonlinearity: <±1% (measured with a BNC pulser and ramp generator). Digital Spectrum Stabilizer: Controlled via computer, stabilizes gain and zero errors. System Temperature Coefficient Gain: <35 ppm/°C. [Typically 30 ppm/°C.] Offset: <3 ppm/°C, with Rise and Fall times of 12 |js,...

Description DigiDART with MAESTRO software, 2 cables, battery and charger, operator manual, instruction card and USB Driver instruction sheet. NO DIM, for use with SMART-1 equipped detector. DigiDART with DIM-POSGE detector interface module for non-SMART positive bias HPGe detector DigiDART with DIM-NEGGE detector interface module for non-SMART negative bias HPGe detector DigiDART with DIM-POSNAI detector interface module for positive bias NaI detector DigiDART with DIM-POSNAI detector interface module for positive bias NaI detector with RS-232-C communications DigiDART with DIM-296...