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Alpha/Beta Probe

The SAB-100 probe for measurement of surface contamination. Calibration and QA measurements can be performed directly with the probe.

Tag Features

  • Alpha/Beta surface contamination measurement
  • 100 cm2 Phoswich scintillation detector
  • Belongs to CSP™ family
  • Calibration via PC
  • Easy removable grid for decontamination
  • Ergonomic counting mode selector on probe body
  • New probe angle for hands contamination free


The SAB-100 probe for measurement of surface contamination is designed to be used with any CSP survey meter. Its phoswich detector with 100 cm2 detection area makes it an ideal tool for direct measurement of alpha and beta emitters.

The SAB-100 probe is part of the Canberra™ SMART Probe (CSP) family. It includes all key components of hardware circuitry (high voltage power supply, amplifier, discriminator, etc.). Also, the intelligence associated with controlling those components is located in the probe – that is control and storage of key parameters, settings, calibrations, probe ID, alarm settings (10 values for each unit to display with default setting), etc. Thus the probe is a fully integrated subsystem talking and transmitting the measurement to the instrument, which is used for display.

With high voltage and digitization of the data occurring in the probe rather than the instrument, measurement quality is no longer dependent on external device quality (cable, host instrument). Moreover, a CSP is using a serial protocol to communicate with the host which can be an instrument or a PC.

Calibration and QA measurements can be performed directly with the probe, without even using any instrument, by connecting the probe to a computer with the Canberra Smart Probe Software (CSPS™), allowing your instruments to remain deployed in the field.

Once calibrated, the SAB-100 instrument is ready to be used as a plug and play probe to start a QA measurement in CPM, DPM, DPM/100 cm2 or c/s, Bq, Bq/cm2. SAB-100 connects to survey meter via a 1.5 meter or 20 meter CSP cable.

A push-button located on the probe housing selects the counting mode. When pressed, the probe switches to the next mode in a list of three and the LED is activated accordingly: alpha only – LED off, beta only – LED on and Alpha+beta – LED blinking. It is a powerful feature for the user to avoid the need to look back on the instrument when changing the mode.

SAB-100 probes include a protection grid that is very easy to remove for decontamination purpose. Once this grid is detached, the probe remains operational and the whole assembly stays light tight.

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