15.5mm symbol tube manufactured by National Electronics
The NL-867 is a clear glass symbol tube manufactured by National Electronics. It can display various electronic units in two rows. The upper row can display K,µ,M,m for Kilo,Micro,Mega,Milli and the lower row can display the electrical units Hz, S, V. It is very likely that this tube was used along with numeric tubes in digital Multimeters.
|Symbol height (mm)||15.5|
|Display||Hz, S,V, k, µ,M,m|
|Starting Voltage (typ)||tested at 170V, 10kOhm V|
|Maintaining Voltage (typ)||0 V|
|Current per Segment||3mA|