LELab Sdn Bhd
18, Jalan Sungai Burung U32/U,
Seksyen 32, Bukit Rimau,
40460 Shah Alam,
Selangor Darul Ehsan, Malaysia.
+603-5525 3833
+603-5525 3832

Gas Transmitters

VOXI Fixed VOC Monitor

VOXI Fixed VOC Monitor

Professional gas detection and alarm systems

The VOXI series of fixed transmitters utilize photo-ionization detection (PID) technology to monitor volatile organic compounds (VOCs) at resolutions of 1 ppb with the MP812 and 10 ppb with the MP815. A built-in heater prevents the condensation of moisture in the transmitter under high-humidity conditions. Innovative designs of the ultraviolet (UV) 10.6 eV lamp and electrometer reduce contamination, producing more accurate and stable readings and extending maintenance intervals. Mobile apps and a Bluetooth controller make on-site configuration, testing and trouble-shooting easy and handy. The OLED display is visible from a distance even under strong lighting, while data and alarms are continuously sent to a controller wirelessly or via cables. Outputs include analog 4-20 mA, digital RS485, 3 relays and a Strobe/Horn port. Major applications include VOC emission monitoring around petrochemical plants, manufacturing and processing facilities.

Product Features

  • Fast response t90 < 5s
  • Wide range of operation -40°C to +70°C
  • 1 ppb VOC resolution
  • Auto ranging & zeroing
  • Built-in heater to prevent condensation
  • Innovative PID for performance & long life
  • Easy access to clean sensor and lamp
  • OLED display for maximum visibility outdoors
  • 450 Correction Factors
  • 4-20mA, Modbus communication protocol
  • 3 relays and output to strobes and horns
  • Mobile apps and Bluetooth controller for handy configuration and testing
  • VOC emission monitoring


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