4.4
1/3/5pcs 650nm Laser Diode 5mW Laser Head 9mm 3V Red Point / Line / Cross Copper Head Lasers Cross Diode Module Industrial Class
4.4(Reviews Rating)
12 people are viewing this right now£1.50£4.80
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Product description:
lfyou need to light up the laser head for a long time, pleaseincrease the current limiting resistor appropriately.
1.The laser can not be pointed at oneself or others' eyes atany time Even when the laser is turned off, there is apossibility of turning on by mistake.
2.The laser can not irradiate any reflective surface orsmooth surface, the laser The light reflectivity is very good, itwill reflect when irradiated on the reflective surface lf it hitshuman eyes, it can cause injury.
3.The laser is not a toy.Don’ t give children who don’tunderstand the characteristics of the laser People use it,because in this case,it is easy to cause injury.
4.Wear special goggles when usinglasers. For invisible lasersThis is particularly important.
5.Lasers cannot be irradiated on vehicles, airplanes andother transportation vehicles with people.6. Pay attention to the safety of the laser battery to preventothers from disassembling the battery to cause short Roadburning or battery explosion accident.
Product parameter：
product name:9MM laser head (red light)
Optional specifications:One word/cross/dot
Transmit power:50mW
life span:More than 1000 hours
Laser wavelength:650nm
power:50mW
Voltage:3V
Current:<20mA
Operating temperature:-36°C~65°C
Storage temperature:-36°C~65°C
Light spot size:The light spot at 15 meters is φ10mm~φ15mm
Product dpplications:
Mainly used for laser toys, various levels, groundinginstruments, etc., this laser The head consists of a light-emitting tube core, a condenserlens,and a copperadjustable sleeve.When given to the user, these three partshave been assembled, and the lens focal length is also highspeed,And it has been glued with strong glue, and the usercan connect to the 3V DC power supply Make.Theoretically,underideal conditions (no dust, no smoke, noobstructions)The transmission distance of the laser isunlimited.The laser head is in high air quality Under thecircumstances, when the working current is 20MA, thetransmission distance can reach lKM Above, on a generallycloudynight,randomlyilluminate objects 200 meters awayCan be clearly seen,for closer distances, even in the daytimesun,lt is also clearly visible on outdoor roads and buildings.
Note: 【Warning】Laseris harmful to human eyes, please donot aim directly at human eyes, please stay away Storechildren to avoid accidental injury, such as caused by improperuseAll consequences ofsuccess are borne by theuser.
Total
£1.50