Optical point detector

The Optronics PG11 is an explosion proof, rugged Optical Gas Detector for the detection of flammable gases and CO2 . PG11 comes with a life-time factory calibration, the Solid State Infrared SafeSource™ ensures unmatched stability and lifetime and the built-in condition monitoring keeps maintenance and process abruptions at a minimum. A broad range of accessories ensure that the PG11 is ready to be used in most applications from duct mounts to extractive cabinet solutions. All accessories are easy to change should the need arise. The OptoCom™ module is available for extended system integration. The PG11 is designed for use in SIL2/SC3 systems and to withstand ambient conditions such as extreme temperatures and vibrations, all to ensure “Detection for real safety - for real life”

PG11 product image from perspectice view
PG11 product image from top view


Environmental protection

Environment shield accessory for PG detectors

Environment shield

  • Article number: ACC-ENV-STD
  • Standard environmental shield to keep contamination away from the optical parts. The environmental shield i shipped with every detector.
  • Material: Anodized aluminum & plastic compound
  • No need for rotation due to installation direction of detector
  • Installed withouh the use of tools
  • Gas guides for fast response during testing using the gas nozzle
Mosquito net accessory for PG detectors

Mosquito net

  • Article number: ACC-ENV-MOSQ
  • Mosquito kit to keep mosquitos and bugs out of the measuring part of the detector.
  • Material: SS316
  • Integrated gas nozzle to simplify testing
  • Fits over the standard environment shield
  • Indicator visible with guard mounted
Sunshade accessory for PG detectors


  • Article number: ACC-SHADE
  • Extra environmental shielding from sunlight, snow/rain and deluge.
  • Material: SS316
  • Can be fitted on both horizontal and wall mounted installations


Duct flange kit accessory for PG detectors

Duct flange kit

  • Article number: Contact us for more information
  • Duct flange kits designed for installations on ducts and pipes.
  • Material: SS316
  • Integrated gas nozzle for in-situ testing
  • Available as a standard model for HVAC and similar applications
  • Available in several JIS and DIN versions
Universal mount kit accessory for PG detectors

Universal mount kit

  • Article number: ACC-MNT-UNI-KIT
  • Mount kit to simply retrofit applications.
  • Articel number: ACC-MNT-UNI-KIT
  • Material: SS316
  • Fits on most exisiting footprints from other vendors
Pole mount kit accessory for PG detectors

Pole mount kit

  • Article number: ACC-MNT-POLE-KIT
  • Pole mount kit to be used when the PG11 is mounted on a pipe.
  • Material: SS316
  • Comes with U-bolts for both 3″ and 4″ pipes
  • Can be used on both horizontal and vertical pipes
  • Contains the Universal Mount Kit

Gas testing

Gas test kit accessory for PG11 detectors

Gas test kit PG11

  • Article number: ACC-GT-BAS-KIT
  • Gas test kit for the PG11. Suitable for both bump testing and accurat gas testing. Comes with to gas nozzels so the test gas may be vented to a safe area if needed.
  • Material: Anodized aluminum
  • Small volume for fast and accurate testing
  • Indicator vissible for visual feedback of testing
Remote gas test kit accessory for PG detectors

Remote gas test kit

  • Article number: ACC-GT-REM-KIT
  • Remote gas test kit with housing for easy access to gas nozzle for testing of detector at remote location.
  • Material: SS316
  • Housing contains:
    • Standard rubber tube inlet
    • Connection for 6mm tubing/piping to remote location
  • Cover to protect gas inlet
Gaz nozzle 06 accessory for PG detectors

Gas nozzle Ø6

  • Article number: ACC-GT-NOZ-KIT
  • Gas nozzle to be mounted on the front of the detector to simplify gas testing.
  • Material: SS316
  • Designed for use with 6mm tubing or pipe connections.
Gas sample kit accessory for PG detectors

Gas sampling kit

  • Article number: ACC-GS-KIT
  • Snap-in gas sampling/aspiration kit for extractive solutions
  • Material: Anodized aluminum
  • Installed without the use of tools
  • Easy access to optical parts
  • Unmatched fast response for sampling loops. Upto 20x faster than competing solutions.

Maintenance and spare parts

Maintenance kit accessory for PG detectors

Maintenance kit

  • Specialized maintenance kit for the PG11 and PGE11 gas detectors
  • Contains
    • Cleaning fluid
    • Cleaning cloth
    • Special cotton swabs
    • Allan keys
  • Refils available
Maintenance blocking kit accessory for PG detectors

Maintenance blocking kit

  • Article number: ACC-MB-KIT
  • Blocking unit and protective covering to keep detector in failure/Beam block state during area maintenance like:
    • Cleaning
    • Paint work
    • Sand blasting
    • etc
Cover rear stainless steal accessory for PG detectors

Cover rear Stainless Steel

  • Article number: ACC-COV-REAR-SS
  • Reinforced cover rear in stainless steel.
  • Material: SS316
  • Designed for use in extreme installations and when EX-e (increased safety) is insufficient.



  • Specification summary: asfd
    • Extended temperature range -60 to +75°C
    • Extended input voltage range 18 to 50 V
    • Fast response time (T90 < 1.5 s)
    • Accuracy ±3FS
    • HART7
  • Features and benefits
    • Solid State Infrared SafeSource™
    • Life-time factory calibration
    • Long maintenance intervals
    • 6 years warranty
    • 15 years warranty on SafeSource™
    • Multicolor indicator
    • Designed for SIL2/SC3
    • OptoBAS™ for increased signal baseline accuracy
    • Heated sapphire optics
    • OptoCom™ for system integration
    • One detector – several applications


  • Hazardous Area classification:
    • ATEX/IECEx
    • EAC EX
    • cFMus
  • Maritime certifications:
    • MED
    • DnV
    • Bureau Veritas
    • Lloyd’s Register
    • ABS
  • IEC 61508
    • TÜV Nord
    • SIL2 (System capability 3)