Night Navigator Model 8540 - Specifications

Overall System

• Complete weight: approximately 100 kg (220 lbs).

• Operating ambient: External units from −15 °C to +55 °C at 95% RH; internal units same range.

• Power consumption: Maximum ~850 W.

• Built‑in power source, isolation from earth; AC mains 90‑240 Vac, 50/60 Hz.

External Sensor Package

• Weight: ~35.5 kg (78 lbs) for the sensor housing.

• Fully sealed, pressurized housing; powder coat over alodyned aluminium.

• Mounting azimuth ±180°, elevation ±90°; preset limits typical ±100° azimuth, +15°/−25° elevation.

• Max bearing speed: 30°/sec azimuth, 3°/sec elevation.

Image‑Intensified Night Vision Camera (for model 8540)

• 3rd‑generation image intensifier with B&W camera; spectral range 450‑950 nm.

• Field of view: Model 8540 uses ~20° H × 15° V.

• Output: Composite 1 V p‑p CCIR; video pixels 756 × 484.

Main Control Unit (MCU)

• Weight: ~27 kg (60 lbs).

• Power: 100‑240 Vac, consumption ~700 W.

• Video outputs: 4 × BNC, 75 ohm. Interfaces include military‑spec connectors.

Control Panel & User Interface

• Standard control panel: 0.7 kg (1.5 lbs); illuminated buttons, joystick for sensor direction.

• 4‑button keypad: 0.2 kg (0.5 lbs); simple pan controls (±10°/20°) and dimmer.

Video Display & Video Outputs

• Display dimensions: 221 × 220 × 250 mm (~8.7″ × 8.66″ × 9.84″); weight ~6.4 kg (14 lbs).

• Horizontal resolution: up to 900 TV lines at centre.

• Video input: 1 V p‑p sync negative, 75 ohm terminated.