Spectrex 20/20MPI Flame Detector Product Leaflet

A high-performance IR3 flame detector for indoor applications offering long-distance detection, large field of view, and RS-485 Modbus compatibility.


Spectrex 20/20MPI Flame Detector Product Leaflet - cover page
Brand
Spectrex
Category
Other Electronics
Document type
Product Leaflet
Language
English
Pages
4
File format
PDF
File size
1.9 MB
Published
15 October, 2026
Updated
15 October, 2026
MD5 checksum
AA204C812CA0088A62481EA34244F83D

About this manual

The Spectrex 20/20MPI is a compact, lightweight, high-performance IR3 flame detector designed for indoor applications such as transport terminals, storage areas, industrial kitchens, and historical sites. It features long-distance flame detection up to 140 feet (43 meters) and offers the highest immunity to false alarms among its class.

The device provides two output options: alarm and fault relay outputs (4 wire) or stepped mA output (3 wire source). It is RS-485 Modbus compatible and includes automatic and manual built-in tests (BIT). The unit operates within a temperature range of -40°F to +160°F and features a field of view of 100° horizontal and 90° vertical.

What's inside

  • Main Features
  • Main Applications
  • General Specifications
  • Electrical Specifications
  • Outputs
  • Mechanical Specifications
  • Performance Approvals

Specifications

Detection Range (n-Heptane)140 ft / 43 m
Field of View100° horizontal / 90° vertical
Response TimeTypically 5 seconds
Operating Temperature-40°F (-40°C) to +160°F (+70°C)
Power Supply18-32 VDC
Dimensions4.7" dia x 2.9" (119mm x 74mm)
Weight10.6 oz (300g)
IP RatingIP55

Frequently asked questions

What are the output options for the 20/20MPI?

The device offers two models: one with Alarm and Fault relay outputs (4 wire) and another with Stepped mA output (3 wire source).

Is the 20/20MPI compatible with Modbus?

Yes, the detector is RS-485 Modbus Compatible.

What is the warranty period for this detector?

The 20/20MPI comes with a 3-year warranty.

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