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M12 Laser Emitters

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Overview

Uses self-contained Class 1 or 2 modulated laser emitters with visible red beam
Features 12.7 mm diameter smooth aluminum barrel
Uses 10 to 30V dc supply voltage
Compatible with a variety of photoelectric receivers
Features collimated, apertured beam 2 mm in diameter, divergence of less than 1 milliradian
Delivers excellent mechanical repeatability in position-sensing applications

Product Specifications

Supply Voltage and Current	10 to 30V dc (10% max. ripple) @ less than 30 mA
Range	Range varies; depending on which receiver is used
Supply Protection Circuitry	Protected against electrostatic discharge (ESD), transient voltages and reverse polarity
Delay at Power-up	M126E1 models:less than 100 milliseconds M126E2 models:less than 30 milliseconds
Sensing Beam	650 nm visible red Class 1 or Class 2 laser (temperature coefficient 0.2 nm/°C) Pulse width:7 microseconds Rep. rate:30 microseconds Peak output power: M126E1 models:0.36 mW M126E2 models:2.8 mW
Beam Diameter at Aperture	Approx. 2 mm diameter
Beam Divergence	±0.5 milliradians typical at 25° C; ±1.3 milliradian at operating temperature extremes
Beam Placement	Within 0.25 mm and ±2 milliradians of mechanical centerline axis of housing
Laser Control	Enable beam by applying 10 to 30V dc to black wire; apply 0V dc by opening circuit to inhibit beam M126E1 models:less than 100 milliseconds M126E2 models:less than 30 miliseconds Inhibit delay:less than 1 millisecond
Indicators	2 LED Indicators visible through rear cover:Green and Yellow Green ON steady:power ON Yellow ON steady:laser enabled
Construction	12.7 mm diameter smooth aluminum barrel; Black hard-coat anodized finish, MIL-A-8625 Type III, Class 2
Environmental Rating	IEC IP67; NEMA 6
Connections	PVC-jacketed 2 m or 9 m high-flex attached cable, or 150 mm pigtail with 3-pin Pico-style quick-disconnect fitting. QD cables are ordered separately.
Operating Conditions	Temperature:0° to 40° C Relative humidity:90% @ 40° C (non-condensing)
Laser Classification	M126E1 models:Class 2 (CDRH), US Safety Standards 21 CFR 1040.10; Class 2 (IEC), European Standards EN 60825-1 and IEC 60825-1 M126E2 models:Class 2 (CDRH), US Safety Standards 21 CFR 1040.10; Class 2 (IEC), European Standards EN 60825-1 and IEC 60825-1

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