End Window G.M Detector [ Type No.: GM120 ]
Technical Data
This is an End window G.M detector of 1cm in dia used for Beta-gamma counting application. It is recommended for college and university teaching lab experiments, in physics / Engineering physics / Nuclear & Radiological physics etc. This detector is of Centronic / LND or it’s equivalent make. It is enclosed in a PVC tube & fitted with MHV socket for applying HV bias.
Window | Thickness – 1.5 – 2.0 : mg/cm2, | Useful diameter – 9 : 0.36, | Material : Mica. |
---|---|---|---|
Cathode | Thickness – 250 : mg/cm2, | Sensitive Length – 39 : mm, | Material : Chrome Iron. |
Tube Dimensions | Outer Diameter – 14.5 mm, | Max Overall Length – 44 mm. | – |
Gas Filling | Ne+Hal. | – | – |
PVC enclosure tube dimensions | Outer dia : 25 mm., | Length : 76 mm. | – |
Gamma Sensitivity | 18 CPS / mR/hr (Co60). | – | – |
Starting Voltage | max 325V ± 25V. | Plateau threshold voltage – max 400V. | Plateau length – 150V. |
Operating Characteristics | Recommended Operating voltage :500V ± 50V. | Plateau slope : ≤6%. | – |