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Mini Triple IR Flame Detector

Brand: Oldham

The 20/20MI is an economical and compact Triple IR (IR3) Flame Detector in a rugged stainless steel housing. 

It is available in either general-purpose non-Ex approved or intrinsically safe approved (EExia) format. It retains all the benefits of IR3 technology - long distance detection (up to 130 feet/40 meters) along with highest immunity to false alarms.
Features
  • Triple spectrum design
  • 80% less power consumption
  • Highly immune to false alarms
  • Large field of view (100° horizontal/vertical)
  • Sensitivity selection
  • User-programmable functions
  • Configurable via software from a PC or handheld device
  • Automatic and Manual Built-In-Test (BIT)
  • Standard 4-wire connection
  • 4-20 mA sink or source (3-4-Wires) configuration
  • RS-485 Modbus compatible
  • MTBF minimum 100,000 Hours
  • ATEX approved
  • FM approval (Functional)
  • EN54-10 (VdS) approved for 20/20MI-1

Specifications

Brand

Approvals & Certifications

  • MIL-STD-810C
  • 20/20 MI-1: EN 54-10 (VdS)
  • ATEX EX II 1 GD, EExia IIC T5 (60° C), T4 (85° C)
  • CE
  • EMC
  • ISO 9001: 2008, 14001: 2004

Circuit Protection

  • Electrical Input Protection According to MIL-STD-1275B

Communication

  • RS-485 Modbus

Consumption

  • Power: 25 mA - Max.
  • Power: 50 mA in Alarm

Delay Time

  • Adjustable: 0 to 30 seconds

Distance

  • 0 to 130 feet (0 to 40 metres)

Electrical Connectors

  • 12-Wires 6 feet (2 metres) Cable (For Junction Box Connection)
  • 12-Wires Electrical Connector

Electrical Contacts

  • Normally Closed
  • Normally Open

Electrical Rating

  • Relay: 0.5 A at 250 Vac
  • Relay: 2 A at 30 Vdc

Enclosure Finish

  • Electro Polish Finish

Enclosure, Body Material

  • 316L Stainless Steel

Environmental Protection

  • IP66
  • IP67
  • NEMA 250 6P

Humidity

  • 0 to 95 % Relative Humidity

Loop Resistance

  • Output: 100 to 600 ohms

Mounting Position

  • 100° Horizontal
  • 100° Vertical

Operating Temperature

  • -40° to 70° C (-40° to 160° F)

Output

  • 4-20 mA
  • Alarm: 15 mA ± 5 %
  • BIT Fault: 2 mA ± 10 %
  • Normal: 5 mA ± 10 %
  • Warning: 10 mA ± 5 %

Power Supply

  • 18-32 Vdc

Range

  • Detection: 16 to 133 feet (5 to 133 metres)
  • Sensitive (20/20 MI-1): 33 to 133 feet (10 to 40 metres)
  • Sensitive (20/20 MI-3): 7.5 to 33 feet (2.5 to 10 metres)

Response Time

  • Typical 5 seconds

Storage Temperature

  • -55° to 85° C (-65° to 185° F)

Switch Type

  • SPST

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