Pancake Detector * [ Type No. : GM138 ]
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.
| 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 (0Volts) : 10. | Minimum anode resistor (m.ohms) : 3.3. |
Application:This is used in the manufacture portable Contamination Monitors, Small Article Monitors. Also in some cases, used with GC602A / RC605A for Beta Sample Counting System.
