PH3 phosphine sensor FumiGuard
electrochemicalmonitoringfor industrial gas safety monitoring

PH3 phosphine sensor - FumiGuard - Uniphos Envirotronic Pvt. Ltd. - electrochemical / monitoring / for industrial gas safety monitoring
PH3 phosphine sensor - FumiGuard - Uniphos Envirotronic Pvt. Ltd. - electrochemical / monitoring / for industrial gas safety monitoring
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Characteristics

Gas type
PH3
Technology
electrochemical
Applications
monitoring, for industrial gas safety monitoring, for food storage
Output
Modbus, Modbus RTU, RS-485, USB, wireless, 3G
Other characteristics
smart, remote, online, for real-time measuring
Measuring range (ppm)

Max.: 20 unit

Min.: 0 unit

Description

Product Overview
The Uniphos FumiGuard is a continuous gas detection system for perimeter and fence-line monitoring of fumigated areas. It comprises a master controller and up to 8 modular detection heads that can be connected in a daisy-chain (loop) to minimise cabling. Built-in GSM connectivity uploads measured readings to the cloud for remote viewing and configurable alarms, enabling continuous perimeter monitoring and assistance with regulatory compliance.

Application
  • Online perimeter and fence-line monitoring of fumigated storage, silos or treatment zones.
  • Detection of PH3 at TLV levels for worker safety and site protection.

Features
  • Gas detected: PH3
  • Detection principle: Electrochemical sensor
  • Range: 0–20 ppm
  • Resolution: 0.01 ppm
  • Communication / interface: MODBUS (RS‑485)
  • Modular detection heads with quick connectors for fast, error‑reduced installation
  • Microcontroller-based architecture with pluggable smart sensors
  • GSM connectivity for cloud upload and remote alarm notifications

Technical specifications
  • Sensor / Transmitter
    • Gas detected: PH3
    • Detection principle: Electrochemical technology
    • Detection range: 0–20 ppm
    • Resolution: 0.01 ppm
    • Gas sampling: Diffusion type
    • Warm up time: Less than 2 min
    • Response time (T90): Less than 60 s
    • Accuracy: ±2%
    • Drift: Less than 2%
    • Power supply: 24 V DC (provided from Master Controller)
    • Communication / interface: MODBUS
    • Operating temperature: 0–50 °C
    • Operating life of sensor: 2 years (typ.)
    • Dimensions: 210 x 150 x 90 mm (L x W x H)
    • Construction material: Polyester
    • Electrical connections: Quick connectors with polarity for simple, error-free connection
  • Master Controller
    • Display: 7" TFT touch screen
    • Number of channels: Up to 16
    • Input signal: RS-485 MODBUS RTU
    • Output signal: RS-485 MODBUS RTU
    • Alarms: 3 potential-free relay contacts
    • Data logging: USB Host (CSV format)
    • Supply voltage (input): 110–230 V AC
    • Output voltage: +24 V DC (for transmitters)
    • Enclosure: MOC polycarbonate
    • Weight: Approximately 6 kg
    • Dimensions: 400 x 300 x 132 mm

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.