Intrinsically Safe Fibre Test Lasers FLX-635-ST / FLX-635-SC
The FLX-635 series are intrinsically safe fibre-coupled red lasers designed for hazardous environments such as mining, tunneling, oil & gas, and industrial applications. Built on over 24 years of proven reliability, they are available in ST and SC connector versions for versatile fibre testing.
With a visible 635nm red beam, long-range performance of over 4km, and rugged 1” hex body, these lasers are trusted for fibre continuity and breakage tests. Certified for intrinsic safety, they are tough, efficient, and ready for automation with modulation support.
Key Features:
✅ IECEx SIM 13.0005 – Ex ia I/IIB T3 certification
✅ Complies with IEC 60079-0:2015, IEC 60079-11:2015, IEC 60825-1:2015
✅ Visible 635nm red laser, <5.0mW, Hazard Level 2M
✅ Fibre-coupled versions: ST or SC connector
✅ Working range over 4km
✅ Rugged 145mm, 1” hex body
✅ Modulated for automation sensing
✅ Electronically isolated diode with Auto Power Control
✅ Reverse polarity protection, long battery life (3xAA)
✅ Engraved certification information for permanent marking
✅ Optional carry case available
📦 Package Options:
🔹 FLX-635-ST: Fibre test laser with ST connector
🔹 FLX-635-SC: Fibre test laser with SC connector
FLX-635-ST / FLX-635-SC Technical Specifications:
| Feature | Details |
|---|---|
| Certification | IECEx SIM 13.0005, Ex ia I/IIB T3 |
| Standards Compliance | IEC 60079-0:2015, IEC 60079-11:2015, IEC 60825-1:2015 |
| Laser Type | 635nm red, <5.0mW, Hazard Level 2M |
| Fibre Connectors | ST (FLX-635-ST) / SC (FLX-635-SC) |
| Working Range | >4km |
| Body Size | 145mm, 1” hex body |
| Power | 3x AA batteries, long battery life |
| Modulation | Yes, automation sensing ready |
| Safety Features | Reverse polarity protection |
| Control | Micro laser control circuit with Auto Power Control |
Certifications & Compliance:
🔗 IECEx SIM 13.0005-4 A– Ex ia I/IIB T3 intrinsically safe certification
🔗 IECEx SIM S0003 – Service Facility Certification
🔗 IEC 60079-0:2015 / IEC 60079-11:2015 – Intrinsic safety standards
🔗 IEC 60825-1:2015 – Laser safety compliance
🔗 Supported by IEC 80079-34 Quality Management
🔗Download Datasheet
Applications of FLX-635 Series:
🔹 Underground Mine Comms Checking
🔹 Tunneling Facility Fibre Checks
🔹 Identifying Breaks in Fibre or Poor Connections
🔹 Oil & Gas Fibre Testing
🔹 Industrial Fibre Continuity Verification
What’s in the Box?
📦 1x FLX-635-ST or FLX-635-SC Laser Unit
📦 3x AA Batteries
📦 1x Protective Laser Window Head
📦 1x Documentation Kit
Ordering & Shipping Details
📦 Lead Time: 1-2 weeks
📍 Shipping Terms: Worldwide / Expedited Options
💳 Payment Options: Credit Card, PayPal, Net 30 Terms
FAQs:
What is the difference between FLX-635-ST and FLX-635-SC?
The only difference is the fibre connector type: ST or SC.
What is the working range?
The laser provides over 4km of visible range for fibre testing.
What safety standards are met?
IECEx, IEC 60079, and IEC 60825 standards ensure intrinsic safety and laser compliance.
Is it suitable for mining?
Yes, it is IECEx-certified and widely used for underground mining fibre checks.
