Pancake Detector

Pancake Detector [ Type No.: GM138 ]

Technical Data
manual
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 + 750C.
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.

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.