IIT Gen2+ LUX2-5821M/MW
The LUX2-5821M / LUX2-5821MW Gen 2+ intensifier tube offers high sensitivity, sharp resolution, and Automatic Brightness Control for stable night vision performance. Rugged, reliable, and compatible with multiple night vision systems.
Description
Description
The LUX2-5821M / LUX2-5821MW is a Generation 2+ image intensifier tube designed for reliable performance in night vision devices. Featuring S25 multialkali photocathode technology and advanced P43/P45 phosphor screens, it ensures high sensitivity, low noise, and excellent resolution. Equipped with Automatic Brightness Control (ABC) and optional Auto-Gating PSU, it provides superior image clarity and protection under varying light conditions. Its rugged construction, anti-fogging input window, and high-precision assembly make it suitable for demanding environments, ensuring durability and long operational life.
Product Introduction
As the entry-level model of the LUX 2nd Generation series, this product adopts highcontrast fiber optic and input enhancement technologies. It delivers higher image
resolution and signal-to-noise ratio, with an FOM value above 1400. Even in extremely
low-light environments, it ensures superior image quality.
Features
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⚡
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- Dual-Lead
- Triple-Lead
- Three-Wire
- Pigtail
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Technical Specifications
| Model | LUX2-5821M / LUX2-5821MW |
| Description | Inverter 180° |
| Dimensions (mm) | Ø 36.75-0.05 × 30.4±0.7 |
| Contacts type | 3 Flying leads |
| Photocathode useful diameter (mm) | 17.5 |
| Photocathode type | S25° Multialkali |
| Phosphor | P43 (also available in P45) |
| Material of input/output window | Glass thickness 5.6 mm / FOE inverting, concave |
| Parameters | Minimum |
| Luminous photocathode sensitivity (µA/lm) | 650 – 800 |
| Radiant (850 nm) mA/W | 50 – 65 |
| Limiting resolution (lp/mm) | 60 – 64 |
| Signal-to-noise ratio | 21 – 24.5 |
| FOM | 1260 – 1568 |
| Gain | 25,000 – 30,000 (on Buyer’s request) |
| Max. output brightness (cd/m²) | 4 – 8 |
| Modulation transfer function (MTF) | 90%; 70%; 45%; 25% |
| Power supply | Automatic brightness control |
| E.B.I. (µlx max) | 0.2 |
| Input voltage (V) | 2 – 3.4 |
| Input current (mA max) | 25 |
| Weight (g) | 75 |
| MTTF (h) | 10,000 |
Additional options:
– Shock-Resistant Design
– Optional P43 / P45 Phosphor Types
– External Brightness / Gain Adjustment (Optional)
Environmental Adaptability:
– Operational temperature: -45°C ~ +52°C
– Relative humidity at t +40°C ~ 93%
Manufacturer’s warranties:
– 1 year warranty from the date of purchase.
– Mean time to failure – not less than 10,000 hours.
Purity of visual area
| Dark spots (Contrast >30%) Diameter (µm) | Number of allowable dark spots | ||
| < Φ5.6mm | Φ5.6mm ~ Φ14.7mm | Φ14.7mm ~ Φ17.8mm | |
| > 300 | 0 | 0 | 0 |
| 230 ~ 300 | 0 | 0 | 0 |
| 150 ~ 230 | 0 | 1 | 1 |
| 75 ~ 150 | 0 | 2 | 2 |
Dimensional drawing




