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LRF1222C laser rangefinder module with circular front optics and exposed rear circuit boardLRF1222C laser rangefinder module with circular front optics and exposed rear circuit board

ERDILRF LRF1222C

The ERDI LRF1222C is a cylindrical laser rangefinder module for OEM integration in gimbal payloads, observation systems and tube mounts. It provides ≥12 km ranging on a 2.3m×2.3m target at 30% reflectance and visibility ≥12 km, with RS-422 or TTL connectivity according to the ordered version.

ERDI LaserPayloads & thermal cameras
Weight
≤335g
Dimensions
Ø58 × 134 mm
Supply voltage
DC12 V

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Product overview

The ERDI LRF1222C provides laser distance measurement for OEM integration in coaxial gimbal payloads, long-range observation posts and existing tube mounts. Its cylindrical housing fits ring clamps and supports placement beside a long camera lens. The module measures Ø58 × 134 mm and weighs ≤335g, with a Ø16.5 mm launch lens and Ø40 mm receiver lens. ERDILRF modules are assembled, aligned, calibrated and accepted in-house in Chengdu. A confirmed connector record accompanies the ordered unit.

Operating at 1.54μm±0.02μm, the LRF1222C delivers ≥12 km ranging on a 2.3m×2.3m reference target with 30% reflectance and visibility ≥12 km. Ranging frequency is 0.5Hz ~10Hz, accuracy is ±2 m and resolution is ≤0.1 m. Connector options are J30J with RS-422 or Molex 51021-0500 with TTL, according to the ordered version. The DC12 V module consumes ≤2 W on average and ≤3 W peak at 10Hz, and operates from −40 to +70 °C.

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Specifications

ERDILRF LRF1222C specifications
SpecificationValue & conditions
ModelLRF1222C
Product typeERDI LRF1222C laser rangefinder module
Applications and housingCoaxial gimbal payloads, long-range observation posts and retrofit to existing tube mounts; cylindrical housing fits ring clamps.
Laser wavelength1.54μm±0.02μm
Module laser safetyClass I module laser classificationFinal accessible-emission classification applies to the complete configuration.
Divergence angle≤0.3 mrad
Laser energy≥300 μJ
Launch lens diameterØ16.5 mm
Receiver lens diameterØ40 mm
Measuring range≥12 kmReference target 2.3m×2.3m; reflectance 30%; visibility ≥12 km.
Minimum range≤40 m
Ranging frequency0.5Hz ~10Hz
Communication interfaceRS422
Ranging accuracy±2 m
Range resolution≤0.1 m
Precision rate≥98%
False alarm rate≤1%
Connector and interface alternativesJ30J (RS-422) or Molex 51021-0500 (TTL)Per ordered version.
Supply voltageDC12 V
Standby power consumption≤1.2WStandby.
Average power consumption≤2 W
Peak power consumption≤3W@10HzAt 10Hz.
Weight≤335g
DimensionsØ58 × 134 mm
Operating temperature−40~+70 °COperating.
Storage temperature−55~+75 °CStorage.
Impact resistanceMeets the MIL-STD-810G testing standard
Vibration resistanceMeets the MIL-STD-810G testing standard
Supplied interface documentationConfirmed connector recordWith the ordered unit.
Assembly and calibrationAssembled, aligned, calibrated and accepted in-house in Chengdu.

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