Gas Detection > 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)

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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.

Applications