For sale 1pc. Huge mica window pancake geiger counter sbt-11A this listing is for sbt-11A with letter A at the end, also good for alpha rad.
Geiger tube is new old stock boxed. Have couple of them, not all have boxes
Technical Characteristics:
Voltage Range 350 – 450V
Operating voltage (recommended) 400V
Plateau length 80 V
Working temperatures -45 + 50C
Max Measurement doze 1000R\h
Sensitivity from Cs137: 332-402 puls\mkr
Weight (grams) 30 g
Will be well packed and shipped by air mail with tracking number
If you need a bigger quantity of geiger tubes that listed, please let me know.