R7851B1000 Honeywell Flame Amplifier
$288.00
The Honeywell R7851B1000 Flame Amplifier 3 SEC. FFRT.; Flame Signal Amplifier, 2 Second or 3 Second Flame Failure Response Time, Ampli-Check, Gas,Oil, Coal: Optical ( UV, Visible Light ) Flame Sensor C7927 and C7962, Use with 7800 Series Primary Safety Control, Color: White, Flame Signal Strength Ranges from 0.0-5 Vdc
3 in stock (can be backordered)
Honeywell R7851B1000 Flame Amplifier – White Ampli-Check / Optical Module (2.0 / 3.0-Second FFRT)
The Honeywell R7851B1000 Flame Amplifier 3 SEC. FFRT.
Product Overview
The Honeywell R7851B1000 Flame Amplifier is a white-cased Ampli-Check optical flame amplifier module designed for use with Honeywell 7800 Series relay modules. It delivers selectable flame failure response times (FFRT) of 2.0 or 3.0 seconds, a 0-5 Vdc flame signal output, and features flame signal test jacks to monitor flame signal strength. Built with solid-state components, this optical flame amplifier offers reliable detection with Ampli-Check self-checking diagnostics, color-coded labels for detection type identification, and compatibility with optical (UV / visible light) detectors such as C7927 and C7962.
Key Features
Selectable FFRT: 2.0 or 3.0 second flame failure response time settings.
Optical / UV detection: Compatible with optical flame sensors including UV / visible light types (e.g. C7927, C7962).
Flame Signal Monitoring: Delivers 0-5 Vdc flame signal output; includes test jacks for verification of signal strength.
Ampli-Check Self-Checking: Monitors all amplifier components and flame sensors; locks out in case of detection system failure.
Relay Module Compatibility: Plug-in design with keyed PCB edge connector for use with Honeywell 7800 Series relay modules.
Color Identification: White label / housing with color-coded labeling to identify optical detection type.
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | Honeywell R7851B1000 Flame Amplifier |
| Flame Failure Response Time (FFRT) | 2.0 or 3.0 seconds |
| Flame Signal Voltage Output | 0.0 – 5.0 Vdc |
| Detection Type | Optical flame amplifier (UV / visible light) with Ampli-Check diagnostics |
| Compatible Optical / UV Sensors | Optical detectors C7927, C7962 |
| Relay Module Compatibility | Honeywell 7800 Series relay modules |
| Flame Signal Test Jacks | Yes – for flame signal measurement |
| Label / Color | White (optical detection type) |
| Self-Checking | Ampli-Check self-check with safety lockout on failure |
| Operating Humidity | Up to ~85% RH, non-condensing |
| Ambient Operating Temperature | −40°F to +140°F (−40°C to +60°C) |
| Storage Temperature | −40°F to +150°F (−40°C to +65°C) |
Applications
Commercial and industrial burner safety systems using optical and UV flame detection.
Flame safeguard circuits that use optical sensors such as C7927 and C7962.
Replacement amplifier modules for Honeywell 7800 Series relay systems.
Situations requiring quick flame failure response (2.0 or 3.0 seconds) and verification of flame strength.
Systems where Ampli-Check diagnostics and optical detection type identifications (white-coded) are desired.
Benefits
Reliable detection with selectable FFRT for optimal safety margin.
Accuracy and visibility of flame signal via 0-5 Vdc output and built-in test jacks.
Reduced risk of undetected faults thanks to Ampli-Check self-checking.
Simple and error-proof installation with keyed plug-in design.
Clear detection type identification with white label and color-coding for optical detection
| Weight | 1 lbs |
|---|---|
| Dimensions | 4 × 6 × 2 in |
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