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SPD1200S2G

The ERDI Laser SPD1200S2G is a 905 nm laser rangefinder module for OEM integration. An integrated high-precision gyroscope supports attitude, spatial positioning and two-point spatial measurement. The module combines aspherical optics with a customizable UART-TTL interface, a 3.3–5 V supply and IP67 protection for the lens cavity.

ERDI LaserPayloads & thermal cameras
Supply voltage
3.3–5 V

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Product overview

The ERDI Laser SPD1200S2G is a laser ranging module for OEM integration, combining 905 nm ± 5 nm laser ranging with an integrated high-precision gyroscope for attitude and spatial positioning. Its optics use an aspherical lens and a 9.0 × 14.5 mm receiving aperture. The gyroscope supports two-point spatial measurements, with angular ranges of ±180° for roll, ±90° for pitch and ±180° for yaw. Tilt accuracy on the X and Y axes is 0.3°.

A customizable UART-TTL interface provides communication at 115200 bps by default, with 9600 bps optional. The module accepts a 3.3–5 V supply and starts within 200 ms, with approximately 350 mA inrush current. Operating temperature is −20 to +60 °C, while storage temperature is −40 to +60 °C. The lens cavity has IP67 protection, and the laser is Class 1 under IEC 60825-1. Each module is assembled, aligned, calibrated and accepted in-house in Chengdu.

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Specifications

SPD1200S2G specifications
SpecificationValue & conditions
ProductERDI Laser SPD1200S2G laser rangefinder module for OEM integration
Laser wavelength905 nm ± 5 nm
InterfaceUART-TTL, customizable
Baud rate115200 bps (default) · 9600 bps (optional)Default and optional baud rate configurations.
Supply voltage3.3–5 V
Startup time≤ 200 ms
Protection ratingIP67Lens cavity.
Laser safety classClass 1 (IEC 60825-1)
Operating temperature−20 to +60 °C
Storage temperature−40 to +60 °C
Laser beam divergenceLess than 6 mrad
Optical materialAspherical lens
Receiving aperture9.0 × 14.5 mm
Measurement accuracy rate≥ 98%
False alarm rate≤ 1%
Inrush current≈ 350 mA
Shock / vibration1000 g/ms (10×/s along optical axis) · 5–50–5 Hz, 2.5 gShock: 10×/s along optical axis.
ReliabilityMTBF ≥ 1500 h
Integrated sensorHigh-precision gyroscope for attitude / spatial positioning
Gyroscope Euler angle rangeRoll (X) ±180° · Pitch (Y) ±90° · Yaw (Z) ±180°Roll (X), pitch (Y) and yaw (Z) axes respectively.
Gyroscope tilt accuracy0.3°X and Y axes.
Gyroscope heading accuracy≤ 0.75°Z axis, within 10 s.
Gyroscope radial distance error±1 m (≤500 m) · ±1 m + d × 0.1% (500–1,200 m)Two-point measurement; ≤500 m and 500–1,200 m respectively.
Gyroscope static distance error≤ ±1 m (less than 100 m) · ≤ ±3 m (100–500 m) · ≤ ±5 m (500–1,000 m)Two-point static measurement at the stated distance bands.
Gyroscope dynamic distance error≤ ±1 m (less than 50 m) · ≤ ±3 m (50–100 m) · ≤ ±6 m (100–500 m) · ≤ ±10 m (500–1,000 m)Two-point dynamic measurement at the stated distance bands.
Manufacturer certificationsISO 9001 · CE EMC
Manufacturing processAssembled, aligned, calibrated and accepted in-house in Chengdu

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