Burroughs Unknown (B-5993 1970-0015)
15.5mm symbol tube manufactured by Burroughs
Update 12/2018: I got contacted via mail by someone who knew about this tube. According to the email, this tube was used in digital multimeters by helwett packard. It is a special made for HP and was used in the meters 3460A & 3460B with the option "03". The HP part number is 1970-0015 and the burroughs part number is B-5993 Meters with the option 01 and 02 used a different tube than this one! I was very happy to get this email!
|Symbol height (mm)||15.5|
|Starting Voltage (typ)||V|
|Maintaining Voltage (typ)||V|
|Current per Segment||mA|