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Honeywell U2-1016 Combination Viewing Head and Signal Processor

Honeywell U2-1016 Combination Viewing Head and Signal Processor. The Honeywell U2 flame monitoring system combines sensing and processing in one package. The U2 is available in several models to provide different options. Each model includes one, two or three sensors which share the same optical axis. The U2 can be connected either through a detachable connector or a pipe fitting for installations with conduit. Refer to the table below for model numbers and options.

Each sensor in the U2 has a different response which is suitable for certain applications.

The UVTRON tube detector has a peak response at 210 nm and is primarily for gas flame monitoring. This UV detector using pulse technology is the best for low NOx gas burners and where a solid state sensor, using flicker technology, does not provide satisfactory results.

The solid state UV photodiode has a peak response at 310 nm. This sensor is suitable for gas, oil and coal. The principle of flame monitoring is flicker frequency based. User selectable high pass filters are used to reject signals that are from background radiation.

The solid state IR photodiode has a peak response at 1400 nm. This sensor is suitable for low NOx oil and coal burners, low excess air oil burners, and burners with a limited view from a windbox front plate. The principle of flame monitoring is flicker frequency based. User selectable high pass filters are used to reject si gnals that are from background radiation.


- Application: Combination DC signal processor and dual UV/IR Viewing head

- Dimensions (in.): 4.3 in. wide x 5.8 in. deep x 5.5 in. high

- Dimensions (mm): 109 mm wide x 147 mm deep x 117 mm high

- Comments: IRIS Logo

- Mounting: Cabinet mounting tabs

- Electrical Ratings: 22-26 Vdc

- Frequency: N/A

- Approvals, Canadian Standards Association: Approved (Temperature Range -32 to 125 F; 0 to +52 C)

- Required Components: Cable and connector, PT adapter and purge air coupler sold separately.

- Approvals, Factory Mutual: Approved (Temperature Range -40 to +140 F; -40 to +60 C)

- Output: 4-20mA

- Connection Type: Removable terminals

- Keypad: Integrated

- Status Monitoring: tri-color display

- Communications: ModBus and RS422 Compatible

This product was added to our catalog on Friday 23 January, 2015.

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