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Product Features
  • Triple Spectrum Design 
  • 80% Less Power Consumption
  • Highly Immune to False Alarms
  • Large Field of View (100° horizontal/vertical) 
  • Sensitivity Selection
Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
  • If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
    with our best shipping prices along with your quote.
  • Please see our delivery page for full information

Spectrex 20/20MI Mini IR3 Flame Detector

The Spectrex 20/20MI is an economical and compact Triple IR (IR3) Flame Detector with the highest immunity to false alarms, in a rugged stainless steel housing.


  • User-Programmable Functions Configurable via software from a PC or handheld device 
  • Automatic and Manual Built-In-Test (BIT) 
  • Standard 4-Wire Connection
  • 4-20mA Sink or Source (3-4 wires) Configuration 
  • RS-485 Modbus Compatible 
  • MTBF Minimum 100,000 Hours 
  • 3-Year Warranty
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