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PM-11 - gamma scint probe for RAM DA-2000

Artikelnr.: BAK-1500

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  • PM-11 sensitive 2" x 2" NaI(Tl) scintillation probe

PM-11 is a sensitive scintillation probe for detection of gamma radiation. 

A low voltage interface connects the RAM DA 2000 monitor with the probe.The PM-11 contains a highly efficient, hermetically sealed, NaI(Tl) scintillator, 2" diameter and 2" thick, coupled to a 2" photomultiplier tube. This is encased in a rugged, splash proof housing for protection against shock, vibration and humidity. The probe also contains a high voltage power supply, single channel analyzer (SCA), pulse shaper, GM saturation indicator, detector identifier and malfunction detection circuitry. This configuration minimizes noise, improving sensitivity and stability.

Radiation Detected: Gamma above 50 keV
Scintillator: NaI(Tl) 2" diameter, 2" thick. Window of 20 cm² area
Energy Calibration: Optional factory calibrated single channel analyzer (SCA) within the energy range
Count Rate Range: 0 - 50,000cps
Sensitivity: Cs-137 = 300 cpm/Bq/cm²
                 Tc-99m = 315 cpm/Bq/cm²
                 I-131 = 320 cpm/Bq/cm²
                 Cr-51 = 27 cpm/Bq/cm²
Output Signals: TTL pulses. Detector status: ID, OK, malfunction, overflow
Temperature Range:
Operation: -10 C to +50 C
Storage: -20 C to +60 C
Humidity Range: 40% to 95% RH (non condensing)
Dimensions: 340 mm length, 70mm width
Weight: 1.75kg
Casing: Aluminum, splash proof