Berthold LB 134 - Tritium Surface Contamination Monitor; Device Configuration

LB 134 7. Probes for the LB 134
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7.9 Tritium Surface Contamination Monitor
7.9.1 Device Configuration
The Tritium Surface Contamination Probe LB 1239 consists of
the following parts:
 Windowless Tritium probe LB 1239 with combined spiral ca-
ble/gas tubing for connection to the LB 134 and gas supply
(8-pin to 11-pin spiral cable and transparent PVC tubing with
3 mm internal diameter)
Figure 7.17: Tritium probe LB 1239
 Aperture plate drwg # 20110.100-012 to be placed on top of
the Tritium probe (held in position by magnets).
 Trolley drawing # 1656.300-000 with gas shut-off valve and
gas flow meter (rotameter) with a measuring range 0 to 3000
cm³/min. The trolley includes a console for LB 134, Tritium
probe and beta-gamma probe (option).
Caution: The value on the rotameter scale has to be multi-
plied by 10.
 3 liters P10 gas cylinder with double pressure reducer,
mounted on trolley.
Option for extending the range of applications:
 Beta-gamma probe LB 1231, also mounted on the trolley
and alternatively connected to the LB 134.