R7851B1000 | Honeywell | Combustion Control & Flame Safety

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product series specifications

Environmental Ratings:

Ambient Temperature:

Operating: -40°F to 140°F (-40°C to 60°C).

Storage: -40°F to 150°F (-40°C to 65°C).

Humidity: Operating 85% rh continuous, noncondensing.

Vibration: Continuous 0.5G environment.

Weight: 2.5 oz (71 g), unpacked.

Flame failure response time (FFRT) of 0.8 or 1 second; or 2.0 or 3.0 seconds, depending on the amplifier and relay module selected. See Table 1.
Plug-in to 7800 SERIES Relay Module through printed circuit board edge connector keyed for proper orientation.
Flame signal test jacks measure amplifier flame signal voltage.
0.0 to 5.0 Vdc Flame signal strength reading range.
Color coded label identifies flame detection type.
R7847B, R7848B, R7849B Dynamic Ampli-Check® circuitry tests all flame amplifier components 12 times per minute. The 7800 SERIES Relay Module locks out on safety shutdown with amplifier failure.

Series Description

Amplifiers for 7800 Series relay modules. 

Kele Description

**FSG Optical Amplifier

Manufacturer

Honeywell