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Diode Laser Rangefinder (DLEM)

Diode Laser Rangefinder (DLEM)

Diode Laser Rangefinder (DLEM)

Product catalog summary
Overview: The Jenoptik Diode Laser Rangefinder (DLEM) series is designed for high accuracy and long-range performance, capable of measuring distances up to 20 kilometers. These rangefinders are compact, lightweight, and suitable for integration into portable systems.
Specifications: The DLEM rangefinders operate at a nominal wavelength of ~1.55 µm and are classified as Laser Class 1 under IEC 60825-1:2014. They support single measurement and continuous ranging modes with a frequency of 1 to 25 Hz. The divergence is approximately 0.7 to 0.8 mrad, and they can detect up to 5 targets with a discrimination of ≤ 25 m.
Performance: Measurement accuracy is ≤ 1 m, with typical range performance varying by model and target type. For small targets, ranges are between 2,100 m to 5,100 m, while NATO standard targets range from 3,300 m to 5,700 m. Extended targets can be measured up to 20,000 m.
Mechanical and Environmental: The modules weigh between 25 g to 160 g and have dimensions ranging from 50 x 18 x 34 mm to 110 x 46 x 60 mm. They operate in temperatures from -40°C to +80°C and can withstand mechanical shocks up to 1500g.
Electrical and Communication: The input voltage range is 2 to 16 VDC, with a startup time of ≤ 85 ms. Power consumption is ≤ 0.01 W operationally and ≤ 2 W during measurement. The data interface is UART (LVTTL 3.3V), with specific Molex connectors used for interfacing.
Advantages: The DLEM series offers lightweight and compact design, efficient power usage, eye-safe operation, fast and accurate measurements, robust reliability, and advanced optical design for high performance on small targets.
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Catalog excerpts

Diode Laser Rangefinder (DLEM)-1

Diode Laser Rangefinder (DLEM) The Jenoptik DLEM Laser Rangefinders offer the very best accuracy and range. Your advantages: The Jenoptik Rangefinders offer high performance onsmall targets. These are the key elements that the diode laser rangefinder (DLEM) family stands for. Our laser rangefinder modules efficiently measure distances to non-cooperative targets up to 20 kilometers away with very high precision. With their compact and robust design and very low weight starting at just 25 grams, they are the smallest and most lightweight modules in their performance class. They are perfect for integration into mobile handheld systems and portable observation devices. Their wavelength is invisible to the human eye and is not detectable by I²-based night vision equipment. Their proven robustness, MIL qualification, and exceptional operational temperature range make the DLEM sensor the ideal solution for tactical use. All DLEM Series modules offer the same communication interface, so you can use the control software for your devices across different models, saving integration efforts when switching from one model to another Lightweight & Compact: Enhanced performance comes without sacrificing size and weight Efficient: Fast start-up time and low power consumption esure long mission times Safe & Tactical: Completely eye-safe and invisible to I2-based night vision devices Fast & Accurate: 25 Hz range enables tracking applications while 1 m accuracy supports high precision systems Robust & Reliable: Shockproof with wide operating temperature range supports integration into the most demanding systems Advanced optical design: Low divergence enables high range performance on small targets while providing uniform illumination of the target eliminating the need for preferred orientation

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Diode Laser Rangefinder (DLEM)-2

Diode Laser Rangefinder (DLEM) Model General Wavelength (nominal at 20°C) [µm] Single Measurement, Continuous Ranging 1 … 25Hz Divergence [mrad] Measurement Range [m] Multiple Target Detection - Number of Targets Multiple Target Discrimination [m] Typical range performance [m] Small Target (0.75m x 0.75m, Albedo 30%, 25km Visibility) NATO Standard Target (2.3m x 2.3m, Albedo 30%, 25km Visibility) Extended Target (Beamfilling, Albedo 50%, 50km Visibility) Mechanical Weight [g] Dimensions (L x W x H) [mm] Environmental Operating Temperature [°C] Mechanical Shock Protection Class Electrical and...

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