How safe are our collections?
Hi the home made testers from a member show on the outside of box the radiation is 6.04 usv/h . reading close to switch a reading of 52.2usv/h. This is from the Radium in the ex RAF switch this led me to check other items i have 3x meters no longer glow 5x glow in the dark round lights that have been glowing for the last 20+ years and they are very bright still. and last a Tilly lamp the gas mantle is doped with thorium. The meters read 30.2 usv/h 27.3usv/h and 36.7 usv/h with a sbm20 tube so beta or gamma radiation. Background is 0.07 to 0.09usv/h all the above items are ex mill and all trigger the alarm that is set at 500cpm . before anyone asks i have no super powers ?
yet Mick
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