Amplifier Built-in Ultra-compact Laser Sensor EX-L200

Cautions For Use

This website is a guide to select a suitable product.
Be sure to read the instruction manual attached to the product prior to its use.

  • Never use this product as a sensing device for personnel protection.
  • In case of using sensing devices for personnel protection, use products which meet laws and standards, such as OSHA, ANSI or IEC etc., for personnel protection applicable in each region or country.

Cautions for laser beams

  • This product is classified as a Class 1 Laser Product in IEC / JIS / GB standards and in FDA* regulations. Do not look at the laser beam through optical system such as a lens.
  • The following label is attached to the cable. Handle the product according to the instruction given on the warning label.
    Proof label Warning label

* This product complies with 21 CFR 1040.10 and 1040.11 Laser Notice No. 56, dated May 8, 2019, issued by CDRH (Center for Devices and Radiological Health) under the FDA (Food and Drug Administration).

Safety standards for laser beam products

  • A laser beam can harm human being’s eyes, skin, etc., because of its high energy density. IEC has classified laser products according to the degree of hazard and the stipulated safety requirements. EX-L200 series is classified as Class 1 laser.
Classification by IEC 60825-1
Classification Description
Class 1 Lasers that are safe under reasonably foreseeable conditions of operation, including the use of optical instruments for intrabeam viewing.

Safe use of laser products

  • For the purpose of preventing users from suffering injuries by laser products, IEC 60825-1 (Safety of laser products). Kindly check the standards before use.
    (Refer to About laser beam.)


  • When mounting this sensor, use a mounting plate (MS-EXL2-2, MS-EXL2-3). Without using the mounting plate, beam misalignment may occur. Also, install the mounting plate in between the sensor and the mounting surface.
  • The tightening torque should be 0.5 N·m or less.
Note: The mounting direction of the mounting plate is fixed. Install in a way so that the bending shape is facing the sensor side.


Automatic interference prevention function

  • Spot reflective type sensor incorporate this function.
    Up to two sets of sensor can be mounted closely.
    (Thru-beam type sensor does not have this function.)

Automatic interference prevention function

2 sensor heads can be mounted adjacently.

Note: If two spot reflective type sensor are mounted facing each other, they should be angled so as not to receive the beam from the opposing sensor or to detect its front face.
Automatic interference prevention function Incorrect Correct


  • Do not use during the initial transient time (approx. 50ms) after the power supply is switched ON.
  • In case the load and this sensor are connected to different power supplies, be sure to turn ON the power from the sensor.
  • The cable may break by applying excess stress in low temperature.
  • Do not allow any water, oil fingerprints, etc., which may refract light, or dust, dirt, etc., which may block light, to stick to the emitting / receiving surfaces of the sensor head. In case they are present, wipe them with a clean, soft cloth or lens paper. Do not use this sensor in places having excessive vapor, dust, etc., or where it may come in contact with corrosive gas.
  • Take care that the sensor does not come in direct contact with oil, grease, organic solvents, such as, thinner etc., or strong acid, and alkaline.
  • Make sure that the power is OFF while cleaning the emitting / receiving windows of the sensor head.
  • This device is using a laser which has high directional quality. Therefore the beam possibly be out of alignment by the mounting condition of this device or distortion of housing etc. Make sure to adjust the beam axe alignment before use.

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