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How to buy explosion-proof flashlight

Release time:

2023-09-07 11:16

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1. Multi-LED products are recommended for short-range lighting (within 1 meter, with reflection of surrounding objects), which are suitable for writing, repairing and dining at short range as camp lights and headlights. However, it is not recommended that the more lamp caps, the better. The working voltage of LED is about 3V, so many flashlights and headlights are driven by 3AAA batteries. 20 to 30 lamp caps are close to the current load limit, and it is easy to damage the battery, reduce the lighting time, the brightness increase is not obvious, I think more than 5 is enough, more than the LED will only increase the probability of failure.

2. Medium-distance (2 m to 50 m) high-power LED products, especially 3W products. 3W chips are also recognized as mature in lumen company products. Buy a brightness of about 80 lumens and lower battery consumption, especially suitable for night travel. If good products are used and the light is well done, it can be illuminated very far. Its usage time can be simply calculated by using the electronic knowledge that everyone mastered in junior high school. For example, if it is driven by a 3.6V 2000ma battery, the working current is about 1A, which is roughly 3W power operation, thus it can have a usage time of two hours. In fact, the current will obviously decrease with the voltage drop, while the brightness decrease is not so obvious. This is one of the great advantages of LED, unless the drive circuit is used to maintain the full power state, the actual use time is much longer than the calculated value. Taking the above 1000ma battery as an example, the actual use time may be more than 4 hours. Xenon lamp products, high-grade products of this kind of products may have been actually used for military and police use, using national money, so there is no need to consider too much cost consumption. For example, US SUREFIRE 6P uses two CR123A non-rechargeable batteries. After the bulb is adjusted, the heel lamp cup is integrated and can only be replaced as a whole, which can provide 60 lumens (the manufacturer's nominal is conservative, compared with domestic, it can be considered that there are 120 lumens), one hour of continuous lighting, and the service life of the bulb is 15 hours, which is really not affordable for ordinary people. If the pursuit of small volume and absolute brightness, choose it.

3, long-distance, large-scale search (more than 100 meters) there is no emery to take the porcelain job, if you want to shine far, huge lamp cups are indispensable, at the same time, high-power bulbs also require large lamp cups to adapt, plus a larger backup battery supply, so these super things are not able to fit in your pocket, more suitable for search and rescue teams, firefighters and other use, personal use is not very convenient.

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How to buy explosion-proof flashlight

Close-range lighting (within 1 meter, with reflection of surrounding objects) recommends multiple LED products, which are suitable for writing, repairing and eating at close range as camp lights and headlights. However, it is not recommended that the more lamp caps, the better. The working voltage of LED is about 3V. Therefore, many flashlights and headlights are driven by 3AAA batteries. 20 to 30 lamp caps are close to the current load limit, and it is easy to damage the battery, reduce the lighting time, the brightness increase is not obvious, I think more than 5 is enough, more than the LED will only increase the probability of failure.