Area radiation detector 965

for the pharmaceutical industryfor healthcare facilitiesbenchtop

The 965 Stack Monitor is a single-channel radiation monitoring system which operates over the range of 10 to 107 CPM. The system monitors gamma radiation and provides indication when the radiation level decreases below a fail threshold, exceeds a warn setpoint, exceeds a high set pointor exceeds an overrange setpoint. The overrange feature provides two significant benefits. First, it prevents the system from displaying an on-scale but inaccurate reading should the detector become saturated. Second, it lessens the risk of damaging the detector by disabling it during an overrange condition. Key Features Count Range: 107 CPM Energy response: 15% from 70 keV to 3 MeV No external power needed at detector location Preamplifier integral with detector Ratemeter may be remotely located up to 1500 feet Single cable between ratemeter and detector 8 µCi 36Cl check source Replaces high maintenance off-line monitoring system Deadtime correction < 1% at 107 CPM User adjustable alarm setpoints Seismically tested with high reliability Stack flow monitoring and release calculation Relay outputs are available to activate alarm annunciators. Analog outputs are available for trend display on a strip chart recorder or computer. Also, the monitoring system has an integral check source to verify operational integrity. The system consists of a 943-36CS Gamma Scintillation Detector and a 942A Universal Digital Ratemeter (UDR). The 965 Stack Monitoring system can be used in any size or shaped stack. Since the detector mounts directly in the stack,there is no need for an expensive, high-maintenance off-line monitoring system.