Sino Welding is a professional auto darkening welding helmet manufacturer based in China, supplying wholesale and OEM orders to distributors, trading companies, and welding equipment retailers worldwide. Our helmets meet CE and ANSI Z87.1 safety standards and are exported to Europe, North America, Australia, and the Middle East.
We carry a full range of auto darkening helmets — from entry-level economical models to professional-grade digital and side-view helmets — with flexible MOQ and custom logo/shell design available.
| Series | Key Feature | Shade Range | Viewing Area | Best For |
|---|---|---|---|---|
| Economical Series | Solar + battery power, fixed or adjustable shade | DIN 9–13 | Standard | Budget-conscious buyers, general MIG/MMA |
| Large View Series | Oversized lens for wider field of vision | DIN 9–13 | Large | Professional fabrication, precision work |
| Side View Series | Additional side windows for peripheral vision | DIN 9–13 | Standard + Side | Pipeline, confined space welding |
| PN Digital Series | Digital control panel, memory function | DIN 5–13 | Large | Multi-process welding, TIG/MIG/MMA |
| PN-M Side View | Digital + side view combined | DIN 5–13 | Standard + Side | Heavy industry, structural welding |
| Helmet HB-1450 | Integrated air purifying respirator | DIN 9–13 | Standard | Environments with fume hazards |
Switching speed (light to dark): 1/25,000 sec
Delay time: Adjustable 0.1–0.8 sec
Sensitivity: Adjustable
Power supply: Solar cell + replaceable lithium battery
Arc sensors: 2–4 sensors depending on model
Operating temperature: -5°C to +55°C
Storage temperature: -20°C to +70°C
Safety certification: CE (EN379), ANSI Z87.1
Shell material: High-impact nylon, flame-retardant
Headgear: Ratchet-style adjustable, fits most head sizes
| Feature | Auto Darkening Helmet | Passive Helmet |
|---|---|---|
| Lens adjustment | Automatic, within 1/25,000 sec | Manual flip-up required |
| Positioning accuracy | High — weld line visible before arc | Low — positioned blind |
| Eye protection | Constant, even before arc ignites | Only when lens is down |
| Productivity | Higher — no need to lift/lower helmet | Lower |
| Suitable for TIG | Yes | Difficult |
| Price | Higher | Lower |
For professional welders and production environments, auto darkening helmets significantly improve both safety and work efficiency.
All Sino Welding auto darkening helmets comply with the following international safety standards:
CE certification — EN379 (auto darkening filter), EN175 (eye and face protection)
ANSI Z87.1 — American National Standard for occupational eye and face protection
AS/NZS 1338.1 — Available on selected models for Australian and New Zealand markets
Mill Test Certificates and third-party inspection reports are available upon request.
We offer full OEM and ODM services for brand owners and large-volume buyers:
Custom shell color and graphic design
Private label / logo printing
Custom packaging (retail box, master carton)
Accessory bundling (spare lens, carry bag, replacement parts)
MOQ: From 100 pcs per model for standard items; negotiable for custom designs
Sample orders are available before bulk production.
The auto darkening filter (ADF) lens consists of multiple layers: UV/IR interference filters, polarization filters, and liquid crystal cells. When arc sensors detect the intense light of a welding arc, the liquid crystals realign within 1/25,000 of a second, blocking harmful radiation to the preset shade level.
When welding stops, the lens returns to its light state (typically DIN 3–4), allowing the welder to inspect the weld and reposition without lifting the helmet. This automatic switching protects eyes consistently throughout the entire welding process — including the critical moment the arc ignites.
Solar panels on the front of the helmet continuously recharge the backup battery, ensuring reliable performance across long shifts without battery replacement concerns.
Q: What shade level should I use for MIG/MMA welding?A: DIN 10–11 is standard for most MIG and MMA welding at typical amperage ranges. For higher-amperage applications, DIN 12–13 is recommended. Our digital series models allow precise shade adjustment.
Q: What is the difference between 2-sensor and 4-sensor helmets?A: More arc sensors provide better coverage, especially when welding in awkward positions where one sensor may be partially blocked. 4-sensor models are recommended for out-of-position welding and professional use.
Q: Can the helmets be used for TIG welding?A: Yes. Models with a shade range starting from DIN 5 (PN Digital Series, PN-M Series) are suitable for low-amperage TIG welding where passive helmets are impractical.
Q: How long does the battery last?A: The solar-assisted battery typically lasts 2,000–3,000 hours of arc time. Replacement CR2032 batteries are widely available and inexpensive.
Q: Do you provide spare lenses and replacement parts?A: Yes. Inner and outer replacement lenses, headgear parts, and lens covers are available separately. We also supply components as a product category for long-term buyers.
Sino Welding ships auto darkening welding helmets to over 30 countries. Standard export packaging is included. We work with freight forwarders and can arrange FOB Tianjin or CIF shipments based on buyer requirements.
For pricing, availability, and sample requests, contact us directly. We respond within 24 hours on business days.
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