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The longest detection range
Monitors a path distance of up to 650ft (200m).
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Operates at any outdoor conditions
TGAES distinguishes hydrocarbon gas even when obscured by rain, fog, dust, snow or blowing sand.
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Easy Alignment
Use HART communicator or software via RS485 for the fine alignment.
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3 year warranty
Long reliable product life, low cost to operate over time

Electrical Specifications

Power Requirements: 24VDC Nominal (18 to 32 VDC)

Power Consumption: Transmitter 15 W, Receiver 15 W*

*low power consumption version available upon request 

Signal Outputs: 4 to 20mA analog, Digital RS-485 MODBUS RTU, HART, Relays

Factory Default Settings:
Normally Open
Normally Closed

Alarm Relays:
2 User Programmed Alarm Relays (Factory Default Setting: NO)
1 Fault Condition Programmed Relay (Factory Default Setting: NC)

Performance Specifications

Gas Detection Range: 0 to 1 LEL•m,  0 to 2.5 LEL•m,  0 to 5 LEL•m (Factory Default Setting)

Measuring Distance: 15 ft to 650 ft (5m to 200m)
* A set of apertures, mounted on the transmitter, is provided for operation at distances less than 60m


Mechanical Specifications

Ingress Protection: IP66

Operating Temperature: -40⁰ F to +140⁰ F (-40⁰ C to +60⁰ C)

Storage Temperature: -40⁰ F to +140⁰ F (-40⁰ C to 50 °C)

Humidity Range: Up to 100% Relative Humidity, Non-Condensing (withstands up to 100% realtive humidity for short periods)

Conduit Connection: 2 Cable Entries, ¾” NPT

Enclosure Material: Stainless Steel (Grade 316L)

Dimensions: 10.43” x 6.96” x 7.17” (262mm x 176mm x 182mm)

Weight: 16.5lb (7.5kg), Each Module w/ Bracket


  • Power stations and storage facilities
  • Tank ships and other vessels
  • Refineries, bulk terminals, tank farms
  • LNG/LPG processing and storage
  • Chemical, paint and fertilizer plants
  • Power plants and gas turbines
  • Transportation facilities

Mounting Bracket

Multi-directional adjusting bracket offers an easy alignment solution to mount TGAES Gas detectors

Test Filter

Simulates gas concentration to test alarm response on TGAES detectors in the field without gas.

Aperture Kit

To reduce Transmitter’s light intensity for a distance less than 60 meters.

Mounting Plates

To mount TGAES to variety of surfaces.

Protective Visor

Protects the open path system from rain and direct sunlight damaging the photodiodes.

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Vector Local Display

Add Vector Field Control unit for the local display function

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