Arcmaster Reactorlite Auto Darkening Welding Helmet

The Arcmaster Reactorlite Auto Darkening Welding Helmet provides professional eye and face protection with a fast-switching auto-darkening lens, adjustable shade control and grind mode. Lightweight, comfortable and suitable for MIG, TIG, MMA and plasma cutting, it’s built for everyday workshop and site use.

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£40.00 exc. VAT

£48.00

Arcmaster Reactorlite Auto Darkening Welding Helmet

The Arcmaster Reactorlite Auto Darkening Welding Helmet is a professional auto-darkening welding helmet designed to provide reliable eye protection, excellent visibility and comfortable all-day performance across a wide range of welding applications.

Using advanced LCD technology, four arc sensors and solar-assisted power, the Reactorlite automatically switches from a clear viewing state to the selected welding shade in just 0.08 milliseconds, allowing you to work safely while maintaining a clear view of your workpiece before striking the arc.

Ideal for professional welders, fabricators, maintenance engineers and DIY users, the Reactorlite offers dependable protection with adjustable settings for a wide variety of welding processes.

Fast Auto-Darkening Technology

The advanced auto-darkening filter reacts almost instantly to the welding arc, reducing eye strain while providing continuous protection.

Features include:

  • Light state DIN 3
  • Variable dark shade DIN 9–13
  • Fast switching speed of 0.08ms
  • Adjustable return to light (0.1–0.9 seconds)

This allows the helmet to adapt quickly to changing welding conditions while maintaining operator comfort.

Suitable for Multiple Welding Processes

The Reactorlite is suitable for a wide variety of applications, including:

  • MIG/MAG welding
  • TIG welding
  • MMA (Stick) welding
  • Plasma cutting
  • Arc gouging
  • General fabrication

The adjustable sensitivity makes it particularly effective for low-amperage TIG welding.

Large Viewing Area

The generous viewing window measures 97 x 47mm, providing a clear view of the weld pool while improving visibility around the workpiece.

This helps increase accuracy and reduce the need for frequent repositioning.

Four Arc Sensors

Four independent arc sensors provide fast and reliable detection, helping ensure consistent switching performance from multiple welding angles.

Grind Mode

A dedicated grinding mode allows users to switch quickly between welding and grinding tasks without changing helmets, improving efficiency throughout the working day.

Solar Powered with Replaceable Battery

The helmet is powered by solar cells supported by a replaceable lithium battery, providing dependable operation and long service life.

The integrated low battery warning indicator alerts users when the battery requires replacement.

Fully Adjustable Controls

The internal controls allow easy adjustment of:

  • Shade level (DIN 9–13)
  • Sensitivity
  • Delay time
  • Welding/Grinding mode

This enables the helmet to be customised for different welding processes and working environments.

Comfortable Adjustable Headgear

The fully adjustable headgear allows users to customise:

  • Head circumference
  • Viewing distance
  • Helmet angle
  • Head position

providing excellent comfort during prolonged use.

Permanent UV & IR Protection

Even in the light state, the filter provides continuous protection against harmful ultraviolet and infrared radiation up to DIN 15.

Key Features

  • Professional auto-darkening welding helmet
  • Variable shade DIN 9–13
  • DIN 3 light state
  • 0.08ms switching speed
  • 97 x 47mm viewing area
  • Four arc sensors
  • Adjustable sensitivity
  • Adjustable delay
  • Grind mode
  • Solar powered
  • Replaceable lithium battery
  • Low battery warning
  • Comfortable adjustable headgear
  • Permanent DIN 15 UV/IR protection
  • Suitable for MIG, TIG, MMA and plasma cutting
  • 2 Year Warranty

Ideal For

The Arcmaster Reactorlite Welding Helmet is ideal for:

  • Professional welders
  • Fabricators
  • Maintenance engineers
  • Steel fabricators
  • Workshop users
  • Site welding
  • Automotive repairs
  • DIY welding enthusiasts

Whether you're carrying out precision TIG work or heavy fabrication, the Reactorlite provides reliable protection, excellent visibility and comfortable performance throughout the working day.

Specifications

General Specifications

  • Brand: Arcmaster
  • Model: Reactorlite
  • Product Type: Auto Darkening Welding Helmet
  • Warranty: 2 Years

Auto Darkening Filter

  • Filter Dimensions: 110 x 90 x 8.5mm
  • Viewing Area: 97 x 47mm
  • Light Shade: DIN 3
  • Variable Dark Shade: DIN 9–13
  • UV/IR Protection: DIN 15
  • Switching Time (Light to Dark): 0.08ms
  • Switching Time (Dark to Light): 0.1–0.9 seconds
  • Arc Sensors: 4
  • Sensitivity Adjustment: Stepless
  • Delay Adjustment: Stepless
  • Grind Mode: Yes

Power Supply

  • Solar Cells
  • Replaceable Lithium Battery
  • Automatic On/Off
  • Low Battery Warning Indicator

Operating Temperature

  • -10°C to +65°C

Suitable Applications

  • MIG/MAG Welding
  • TIG Welding
  • MMA Welding
  • Plasma Cutting
  • Arc Gouging
  • Grinding

Delivery & Returns

Fast UK delivery available on our products.
Free delivery on orders over £100.
If you have any questions about delivery, availability or returns, please contact our team on 01482 222799 before ordering.
See our Delivery information
See our Returns Information

Support & Advice

Need help choosing the right welding equipment? Our experienced team is here to help.

Whether you’re unsure which machine is best for your application or need advice on consumables, PPE or accessories, we’re always happy to point you in the right direction.

📞 Call us on 01482 222799
📧 Email sales@arcmaster.uk.com
📍 Or visit our Hull superstore to speak to our team in person

We also offer equipment servicing, repairs and hire, helping you keep your tools running efficiently with minimal downtime.