Thermo Scientific ASP2e Survey MeterThe ASP 2e NRD is a portable, battery operated counter designed for the measurement of dose equivalent rate from neutrons (Rem). The detector employed is a 9 inch diameter, cadmium loaded polyethylene sphere with a BF3 tube in the center. This detector has been shown to have a response which closely follows theoretical dose equivalent from neutrons over the energy range from 0. 0025 eV (thermal) to about 10 MeV. The BF3 tube additionally provides

Up to 550 data points can be stored

) with lead

Gamma Sensitivity:

ENERGY RESPONSE: within 15% of true value between 60 keV-3 MeV (internal detector only)

Co-60 = 22%

See Counts

including handle

or the Model 44-2 high-sensitivity gamma scintillation detector for locating the source of high readings

Radiation Detected: : Beta

Toggles and selects rate units:

) NaI detector that is highly sensitive to gamma

Both probes share identical detection efficiencies and are otherwise functionally equivalent