BTD97防爆LED投光灯简介：
Brief introduction of BTD97 explosion proof LED cast light lamp:
BTD97防爆LED投光灯

产品概况:
A product overview:
适用于易燃易爆场所安全照明工作，用于各种室内室外工作场所。可用于中国煤炭行业，中石油，中石化，中海油，电力，治金，钢铁，船舶，航空航天，*消防，化工，政府部门，大型企业固定照明的使用需要。
Applicable to the work of safe lighting in inflammable and explosive places, and used in all kinds of indoor and outdoor work places. Can be used for Chinese coal industry, PetroChina, Sinopec, CNOOC, electric power, metallurgy, steel, shipbuilding, aerospace, public security fire control, chemical industry, government departments, large enterprises need to use fixed lighting.

二 BTD97防爆LED投光灯

结构特性：
Two structural characteristics:
1.优良的防爆性能，可在易燃易爆危险场所安全可靠工作。
1 excellent explosion-proof performance, can be safe and reliable work in the inflammable and explosive dangerous places.
2.采用LED做为光源，光效高，照度均匀，平均使用寿命达100000小时以上。
2 using LED as the light source, high light efficiency, uniform illumination, the average service life of 100000 hours or more.
3.具有良好的电磁兼容，不会对周围环境造成干扰。
3 has good electromagnetic compatibility, will not cause interference to the surrounding environment.
4.灯体采用轻质合金材料，耐腐蚀性强，抗冲击性好；透明件采用耐高温、抗冲击特制钢化玻璃，通过精心设计 降低了灯体内空气温度，提高了LDE的使用寿命。
4 the lamp body is made of light alloy materials, strong corrosion resistance, good impact resistance; the transparent part adopts the high temperature resistant, impact resistant special tempered glass, through careful design to reduce the lamp body air temperature, improve the service life of LDE.
5.体积小，可采用多种安装方式，操作简单方便。
5 small size, can be used in a variety of installation, operation is simple and convenient.
三 技术参数：
Three technical parameters:
光源功率：50/60/80/100/120W 任选
Light source power: 50/60/80/100/120W optional
输入电压：220V AC（范围95-265V）
Input voltage: AC 220V (range 95-265V)
频率：50Hz（范围47-63 Hz）
Frequency: 50Hz (range Hz 47-63)
发光角度：45°/60°/90°/120°/140°任选
Light emitting angle: 45 degrees /60 degrees /90 degrees /120 degrees /140 degrees optional
防爆等级：Ex dⅡB T5
Explosion proof grade: D B II T5 Ex
防腐等级：WF2
Corrosion protection grade: WF2
防护等级：IP66
Protection level: IP66
功率因数：＞0.95
Power factor: > 0.95
总谐波电流：＜15%
Total harmonic current: < 15%
灯具效率（%）：≥90%
Luminaire efficiency (%): 90%
色温（K）：暖白：2700-4000K；纯白：5000-6500K（可选）
Color: warm white (K): 2700-4000K; white: 5000-6500K (optional)
结温（TJ））：＜65℃
Junction temperature (TJ): < 65
显色指数（CRI）：Ra﹥70
Color rendering index (CRI): Ra > 70
光效：﹥80lm/W
Light effect: > 80lm/W
工作环境：温度：-30℃—55℃；湿度：10-90%RH(25℃)
Working environment: temperature: -30 degrees C - 55 C; humidity: 10-90%RH (25 C)
仓储温度：-40℃-60℃
Storage temperature: -60 C -40 C
使用寿命：﹥50000Hs
Service life: > 50000Hs
材料：铝合金
Material: aluminum alloy
产品尺寸：300×300×227
Product size: 300 * 300 * 227
净重：6.5Kg
Net weight: 6.5Kg