Portwest PW65 BizWeld Plus Welding HelmetThe Portwest BizWeld Plus Welding Helmet PW65BKR is an auto-darkening helmet that switches from a light state to a dark state when welding starts. It has a light state of shade 4, with a dark state adjustable from shade 9 to shade 13 to suit different tasks. As the repose time from light to dark is 0.04 milliseconds, it provides reliable protection quickly and effectively.Key Specifications Helmet Marking: EN 175-F Screen Marking: 4 / 9-13 : 1/1/1/2 EN 379 CE Screen Scale Number (Clear State/Darkened State): 4 / 9-13 Helmet Strength: F Optical Quality: 1 Light Diffusion: 1 Variation in Luminous Transmittance: 1 Angle Dependence of Luminous Transmittance: 2EN Compliance of the BizWeld Plus Welding HelmetEnsuring that you is getting the protection necessary, the BizWeld Plus Welding Helmet have been tested to EN standards. The standards to which the helmet complies are as follows: EN 166 - Personal Eye Protection EN 175 - Welding Shields EN 139 - Auto-Darkening Welding CartridgesKey Features Welding helmet constructed from polyethylene, polypropylene and nylon Auto-darkening design switches from light to dark when welding begins Features a shade 4 light state and a shade 5 to shade 13 dark state Dark state is adjustable using an external knob Response time from light to dark of 0.04 milliseconds LCD filter suitable for a wide range of tasks Four-point adjustable harness design for optimum fit Solar cell power with two built-in lithium back-batteries Suitable for wearing with disposable respirators Product code: PW65BKRIndications of the Welding HelmetThe BizWeld Plus Welding Helmet has a superior LCD filter that is suitable for a wide range of welding tasks. Some indications of use include: Arc welding Grinding MIG welding NAG (CO2) Plasma cutting TIG weldingAuto-Darkening HelmetThe BizWeld Plus Welding Helmet PW65BKR is auto-darkening, which means that it goes from light to dark as soon as the welding process begins. In this way, the helmet can maintain its natural shade 4 screen until the adjustment is required, ensuring that hands can remain free to focus on welding.Adjustable SizeThe Portwest BizWeld Helmet PW65BKR is provided in a single size that can be adjusted to fit most users. It features a wheel ratchet size adjustment for easier fitting, ensuring that it is as comfortable to wear as possible.Documentation for the Portwest Welding Helmet Conformity Statement Examination Certificate Data Sheet Portwest PW65 BizWeld Plus Welding Helmet