Description
The IV-21 is a low-voltage multi-digit indicator of a triode system with a direct-heated cathode, a green glow and flexible leads, designed to display numbers and a decimal point simultaneously in 8 digits and sign information in the 9th digit. Indicator IV-21 is designed to work in dynamic indication mode.
Color of a luminescence – green
Technical specifications:
- Sign size: 2.4 * 5 mm. number of digits 9.
- Glow brightness: 150 – 300cd/m²
- Viewing angle: 80°
- Glow current: 30 – 40mA
- Anode-segment current (per pulse): 1mA
- The current of the anodes-segments of eight discharges is total: 12 – 20mA
- Grid current of one discharge (per pulse): 1 – 2mA
- Heating voltage: 5 + 0.25V – 0.4V
- Anode and grid voltage (in pulsed mode): 50V
- Duty cycle: 8
The minimum operating time is not less than 5000 hours.
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