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STATE OF ART INSTRUMENTATION FROM AN INNOVATIVE COMPANY
PAN CAKE DETECTOR - [ Type : GM 138 ]  
Technical Data
This is a Pan Cake Detector sensitive to Beta radiation and with window closed can be used for gamma doserate measurements also. Has large surface window area of 16 sq.cm.
Application
Beta-gamma Contamination monitoring and also for gamma doserate measurements

This Detector is a part of Beta/gamma pan cake contamination probe which is used with Contamination Monitor, portable as well as with Bench Model. This detector is of  St.Gobain / Centronic / LND or it's equivalent make.

General
Gas filling : Ne + Halogen.
Cathode Material : 446 SS.
Maximum Length : 3.0 Inches / 76.1 mm.
Effective Depth : 0.5 Inches / 12.7 mm.
Maximum Dia : 2.11 Inches / 53.6 mm.
Effective Dia : 0.61 Inches / 44.5 mm.
Connector : Grid Cap.
Operating temperature range : -40 to + 75oC.
Pan Cake Detector
Window
Areal Density : 1.5 - 2.0.
Effective Dia : 1.75 Inches / 44.5 mm.
Material : Mica.
Gamma Sensitivity
60 CPS / mR/hr ( Co60 ).
Operating Characteristics
Max. Starting Voltage : 425V + 25V.
Recommended Operating voltage : 500V ± 25V.
Operating voltage range : 475 - 675V.
Max. Plateau Slope (%100Volts) : 10.
Minimum anode resistor (m.ohms) : 3.3.
Plot No.162 A & B, Phase-II, IDA, Cherlapally, Hyderabad-500051 India Phone: +91-7207034546, +91-7331104481, 7331104482, Fax : 040 - 29706486.
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