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Model PRM470 -Radioactive Source Locator
The PRM-470C hand held series is a popular choice for locating redioactive sources and measuring intensity in the field. It uses low power CMOS electronics to provide extended operation from the rechargeable batteries. The detectors also features a self-test during power up, automatic background count and user determined computer using RS-232 communications. Count information and unit parameters are presented to the user on an alphanumeric 4 line, 16 character display.
The series utilises a motion switch to automatically switch from background to search mode when the instrument is moved. After the instrument has been at rest for a pre-set duration, it will revert to background update. The unit may be programmed by the user to scale the display to CPS, µSv/hr or mR/hr. This conversion is not energy compensated. Therefore, the value displayed is only an approximation of actual dose rate.
Due to popular demand, the PRM-470C series now features an audio and visual search/find mode to assist in locating radioactive sources. As detected counts increase, so does the frequency of the audio signal, helping to pinpoint the location of the radioactive source. LED indicators respond in similar fashion, flashing faster as counts increase. On Gamma and Neutron instruments, the LED indicators also assist to identify the type of radiation being detected (a red LED for Gamma, and blue LED for Neutron radiation).
- Special Nuclear Material (SNM) searches at plant exits and material access areas
- Contamination and background monitoring
- The small size, light weight, and long battery life make it ideal for searching vehicles that require extended search times
- PRM-470CG: one organic plastic scintillator detector (88x72x31mm / 3.5x2.88x1.24”) provides approx. 12.6in3 (206cc) of detector volume
- PRM-470CN: One, 3He tube, 102mm (4”) active, 4 ATM
- PRM-470CGN: One organic plastic scintillator detector (88x72x31mm / 3.5x2.88x1.24”) provides approx. 12.6in3 (206cc) of detector volume and one 3He tube, 102mm (4”) active, 4 ATM
- PRM-470CG: Gamma only search/find instrument
- PRM-470CN: Neutron only search/find instrument
- PRM-470CGN: Gamma and Neutron (simultaneous) search/find instrument
- Sensitivity: Will detect 10g HEU or 1g 239Pu when tested in accordance with ASTM Standard C 1237*
- Alarm Level: User configurable from 0.1 to 9.9 sigma
- Alarm Indication: Audible tone and LED
- Count Time: Gamma search mode: 0.05 sec. count with 0.4 sec. moving average, Neutron: 1 sec. count time. Background time: User configurable
- Display: Alphnumeric LCD, 4 lines x 16 characters, with backlight
- Power Requirements: Internal rechargeable batteries
- Weight: 2.4 lb (1.1 kg) with batteries
- Environmental: 0° to 38°c (32° to 100°f)