NL-989

15.5mm symbol tube manufactured by National Electronics

The NL-989 is a clear glass symbol tube manufactured by National Electronics. It can display various electronic units in two rows. The upper row can display the letters M,K and A. The lower row can display the Ohm-sing, and the letters V and C. It is likely that this tube was used in digital multimeters or similar devices
Brand/ManfacturerNational Electronics
Same Types
Likely Tyes
Symbol height (mm)15.5
DisplayM,K,A,V,C,Ω
Decimal pointnone
Base0
Starting Voltage (typ)tested at 170V, 10kOhm V
Maintaining Voltage (typ)0 V
Current per Segment3mA
Reccomend Resistor