The Performance Requirement Of Life Jacket Light
2.1 The lifejacket light should be able to work normally in the range of water temperature from 1 °C to +30 °C.
2.2 The lifejacket light should be stored in an air temperature of 30 ° C ~ +65 ° C without damage.
2.3 The life light of the upper sphere of the lifejacket lamp in all directions is not less than o. 75cd, the duration of illumination is not less than 8h.
2.4 For the dry battery type life jacket lamp, the lamp should be lighted within 1 s after the switch is turned on; the water touch switch is immersed in water, and the lamp is 1 min.
With the start light up. For seawater battery lifejacket lights, it should be able to start to glow within 2 minutes after the battery is put into the water, within 5 minutes in seawater.
Reach o. Luminous intensity of 75 cd; reached within 10 min in fresh water. Luminous intensity of 75 cd.
2.5 The life jacket lamp should be placed on the life jacket to be stable and simple. When the person wearing the life jacket falls into the water from a certain height, it should not be
Damaged, not thrown from the life jacket; when the person wearing the life jacket swims or floats in the water, the light-emitting parts of the lifejacket light (lights)
With the water surface exposed, the seawater battery is not in the underwater part of the life jacket.
2.6 The switch arrangement of the lifejacket light should be flexible, with obvious indication and reliable opening; the sealing plug of seawater battery should make life jacket and immersion suit
The wearer can open it by hand so that seawater can enter the battery body.
2.7 The lifejacket light should be white light.
2.8 The lifejacket light should be strong and durable and resistant to vibration.
2.9 Lifejacket lights should be resistant to corrosion, corrosion, and unaffected by seawater, oil or mold.
2.10 Lifejacket lights should have good water tightness.
2.11 lifejacket lights should have good fire resistance.
2.12 If the lamp fitted with the lifejacket light is a flash, it should also:
a) set a manual control switch;
b) flashing at a rate of not less than 50 flashes per minute and not more than 70 flashes, and its effective luminous intensity is not less than o. 75cd.