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Honeywell's U2S Series is an all-in-one integrated signal processor and viewing head system for single or multi-burner, multi-fuel and difficult flame detection applications.
Honeywell's U2S Series is an all-in-one integrated signal processor and viewing head system for single or multi-burner, multi-fuel and difficult flame detection applications.
With up to three flame sensors and a signal processor in a single unit, U2 eliminates the need for a separate processor, saving on cabinets and wiring.
- Integrated signal processor and viewing head with up to three sensors (UV Tron, solid state UV, and solid state IR)
- Independent configuration and adjustable gain settings for each sensor
- Ten selectable flicker frequency filters for solid state UV and IR sensors, depending on model
- Electronic system self-check — no mechanical shutter
- Two 2amp output relay contacts: one normally open flame relay and one normally open fault/self-check relay
- Analog flame signal: 0/4-20 mA output
- Modbus RS422 communication for use with FLAMETOOLS-PC (248 loops) or FLAMETOOLS-HMI/U (32 loops)
- Programmable using touchscreen interface with easy-to-follow scrolling menu
- Available in quick disconnect or PF versions with factory installed pigtail extension cables
- CSA, FM approvals: Class I Div 1 (PF version) or Class I Div 2 (quick disconnect)
- Fit for use in SIL-3 systems
Model Selection Guide
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Sensor Type | Cable Type | Cable Length | Fuel Type | Click for Price and Availability |
---|---|---|---|---|
U2S Viewing Head and DC Signal Processor | ||||
IR/UV Tron/UVSS | Factory Installed Pigtail Extension, FM Approved: Class I, Div 1 | 10ft | All | U2-1010S-PF |
IR/UV Tron/UVSS | 50ft | All | U2-1010S-PF-050 | |
IR/UV Tron/UVSS | 100ft | All | U2-1010S-PF-100 | |
UV Tron | 10ft | Gaseous Fuels | U2-1016S-PF | |
IR/UV Tron | 10ft | All | U2-1018S-PF | |
IR/UV Tron/UVSS | Quick Disconnect, FM Approved: Class 1, Div 2 | See Below | All | U2-1010S |
UV Tron | See Below | Gaseous Fuels | U2-1016S | |
IR/UV Tron | See Below | All | U2-1018S | |
Cable | ||||
50ft Cable Assembly with Connector | ASYU2S | |||
100ft Cable Assembly with Connector | ASYU2S-100 | |||
200ft Cable Assembly with Connector | ASYU2S-200 | |||
300ft Cable Assembly with Connector | ASYU2S-300 |
SIL-Rated | Yes |
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Flame Detector Type | Infrared, Ultraviolet, UV/IR Combo |