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VOXI PID Fixed VOC Gas Monitor
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The VOXI PID series of fixed transmitters utilize Photo-ionization Detection (PID) technology to monitor Volatile Organic Compounds (VOCs)

VOXI PID Fixed VOC Gas Monitor

The VOXI PID is a fixed sensor transmitter that utilizes a Photo-ionization Detection (PID) technology to monitor Volatile Organic Compounds (VOCs) at either 1 ppb or 10 ppb resolutions. The VOXI PID features an built-in heater that prevents 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. A mobile apps allows connectivity via a Bluetooth controller that makes on-site configuration, testing, and trouble-shooting easy and handy. The OLED display is visible from a distance even under strong lighting or darkness, while data and alarms are continuously sent to a controller wirelessly or via cables.

Features, Functions and Benefits
  • VOC emissions monitoring
  • Several hundred gas correction factors
  • 1 ppb or 10 ppb resolution (separate models)
  • Outstanding linearity over full measurement range
  • Auto-ranging and auto-zeroing
  • Wide temperature range of -40° to +70°C
  • Built-in heater to prevent condensation
  • OLED display for maximum visibility outdoors
  • Mobile App and Bluetooth controller for handy configuration and testing
  • Outputs: 4-20 mA, CAN/Modbus, 3 Relays and output to strobe or horns
  • Lamp glow indicator
  • Rugged, IECex Safety Certification 
  • Easy access to clean lamp & sensor
  • Innovative PID for performance & long life 
Basic Specifications
  • Suitable for Volatile Organic Compounds (VOCs):  fuels,  solvents, paints, fumigants, Ammonia
  • Power supply 12-30VDC 
  • Outputs available:  Analog: 4-20 mA (3 wires), Digital: RS-485, CAN or ModBus, 3 relays, 1 port to external strobe and horn 
  • Alarms: OLED flashing, external strobe and horn 
  • Design includes an inbuilt diaphragm sampling pump that draws a sample at ≥400 cc/min when responding chemicals are present.  Otherwise the sampling pump duty cycles at ≥130 cc/min when PID response is below pre-set threshold. Sample can be drawn from up to 30mtrs. 
  • Fence-line & Environmental monitoring
  • Air Quality control
  • Oil, gas & refineries
  • Chemical plants
  • Manufacturing & processing
  • Paints, coatings & adhesives
  • Pharmaceuticals & food processing
  • Solvent recovery
  • Paper pulp and wastewater treatment
  • Fumigation 

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The ecommerce webshop is operated by Accurate Instruments (NZ) Ltd.
Based in Auckland, Accurate is one of the few 100% New Zealand owned and operated safety instrumentation companies in New Zealand today. This is in a market dominated by larger foreign owned companies, yet we continue to operate as a strong independent supplier to the NZ market.




 0800 500 380

192 Marua Road
Mt Wellington
Auckland 1051

4 Avenger Crescent
Christchurch 8042