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A. Distinguished Feature

a. The shade number is accurate from -5°c to +55°c working temperature. And it can avoid the shifting of the shade number caused by the fluctuation of temperature, voltage or current.

b. It can block UV and IR by multi-sheet of special material for protecting the security of the operator.

c. The specifications such as the response time, return time and UV transmittance, IR transmittance, visible light transmittance etc are all according to ANSIZ 87.1 ， AS/NZS1338.1 and EN379 standard.

d. No tools are required when replacing the Lithium Battery.

e. The unit will be in the state of waiting-operation after the “on” button is pressed or the arc is extinguished. But if no operation followed the unit will turn off automatically after ten minutes. After ten minutes you must press the “on” button before you operate it again. Anytime in the state of waiting-operation, pressing the “on” button will bring you another ten minutes.

B. Major Performance and Specifications

a. Lens Size: 90×40 mm

b. Working Temperature: from -5°c to +55°c

c. Shade Number in Light State: DIN4#

d. Shade Number in Dark State: DIN9#-13# (step less regulation)

e. Response Time: ≤ 0.35ms at +55°c ；≤ 0.55ms at +23°c ；≤ 1.00ms at -5°c

f. Return Time: 100-900ms(fast or slow)

g. UV Transmittance 313nm: DIN15# ；365nm: DIN14#

h. IR Transmittance 780-1300nm: DIN15# ；1300-2000nm: DIN15#

i.No tools are required when replacing the Lithium Battery.