Compact, powerful and reliable, the LM-D is specifically
designed for solutions with separate visual illuminators.

Red light laser marker
Infrared laser marker
Infrared LED close-in illuminator
Status LED that can also be used as a map-reading light
Both markers can be vertically and horizontally adjusted
Turn-switch for selecting the light source
Light source can be switched on and off via pushbutton
or trigger cable (accessory)
The luminosity of the individual markers and illuminators
can be separately adjusted
Marker range >200m
Watertight up to 30m
2 batteries CR17345 (IEC) (e.g. DURACELL® DL123A)

Device Data
Laser class (all variants)
3R (i.a.w. IEC EN 60825-1:2003)
3a (i.a.w. ANSI Z 136.1-2000)
Operating voltage
4–6 VDC 2 Lithium batteries, CR17345 (IEC),
5018LC(ANSI), e.g. DURACELL® DL123A
Dimensions (LxWxH)
without bracket 115x48x29mm
Weight (with batteries, without bracket) <160g
Watertight up to 30m
after 500 rounds/disassembly/assembly ≤1.0mrad
Battery life (–10° to +55°)
up to 30 hours depending on the selected operating mode
(battery life based on DURACELL® DL123A)
Temperature range
Operating –20°C to +55°C (C0–A1 i.a.w. MIL STD 810F)
Storage –46°C to +70°C (C2–A1 i.a.w. MIL STD 810F)
Relative humidity up to 100%

JT LMD 630/JT LMD 631 – VIS Marker (Red Light Laser)
without filter <5.0mW
with filter (transmission level ≤20%) <1.0mW
Divergence (FWHM) <0.78mrad
in darkness >200m
in daylight >20m
JT LMD 630 – IR Marker (Infrared Laser)
Output <0.4mW
Divergence (FWHM) <0.78mrad
Range >200m (in darkness)
JT LMD 631 – IR Marker (Infrared Laser)
Output <1.0mW
Divergence (FWHM) <0.78mrad
Range >600m (in darkness)
JT LMD 630/JT LMD 631 – IR Close-In Illuminator
(Infrared LED)
Output ≤25mW (total radiant flux)
Divergence 0.6–0.7rad
Ray diameter after 3m ≥2m
Range >10m (in darkness)

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