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Mini 6-80 and 6-81 Environmental Meters
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  Mini 6-80 and 6-81 Environmental Meters


The Mini 6-80 and Mini 6-81 are used extensively by nuclear plants and local authorities as a reliable means of measuring environmental gamma levels. The 6-80 features a tough case and clear display, and the Mini 6-81 is a weatherproof version.

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The Mini 6-80 Environmental Gamma Radiation Meter is a portable counting system for the determination of low level gamma radiations.  It consists of the high-sensitivity MC71 GM tube, 6-80 Scaler Ratemeter, cable, mounting tripod, and carrying case.
 Mini 6-80 and 6-81 Environmental Meters
 PRODUCT# Price  Product Description  
       
 Mini6-80      -    Environmental gamma radiation meter   SELECT  
 Mini6-81      -    Weatherproof environmental gamma radiation meter   SELECT  
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Specifications:
Size :240 x 120 x 100 mm
Weight :1.2 kg
High Voltage :300-600 volts, internally adjustable
Detector :Halogen quenched, energy compensated GM tube
Typical sensitivity to:
226Ra 18.5 counts s-1 uGy h-1
137Cs 15.7 counts s-1 uGy h-1
Inherent background typically 0.25 count s-1
Ratemeter Display :70 mm meter logarithmically scaled 0.05 uGyh-1 to 75 uGyh-1
Scaler Display :Liquid crystal 5 digit readout and overflow indication
Batteries :4 x IEC R14 (SP11) or similar
Battery Life :Approximately 400 hours at 4 hours/day
Timing :Crystal controlled having the following selectable intervals: 10, 30, 60, 100, 300, 600, 1,000 seconds, and unlimited
Recorder Output :0-0.5 volt at 1 mA is available for driving a recorder, slave meter, or data logger