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
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Selectable FFRT: 2.0 or 3.0 second flame failure response time settings.
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Optical / UV detection: Compatible with optical flame sensors including UV / visible light types (e.g. C7927, C7962).
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Flame Signal Monitoring: Delivers 0-5 Vdc flame signal output; includes test jacks for verification of signal strength.
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Ampli-Check Self-Checking: Monitors all amplifier components and flame sensors; locks out in case of detection system failure.
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Relay Module Compatibility: Plug-in design with keyed PCB edge connector for use with Honeywell 7800 Series relay modules.
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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
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Commercial and industrial burner safety systems using optical and UV flame detection.
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Flame safeguard circuits that use optical sensors such as C7927 and C7962.
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Replacement amplifier modules for Honeywell 7800 Series relay systems.
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Situations requiring quick flame failure response (2.0 or 3.0 seconds) and verification of flame strength.
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Systems where Ampli-Check diagnostics and optical detection type identifications (white-coded) are desired.
Benefits
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Reliable detection with selectable FFRT for optimal safety margin.
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Accuracy and visibility of flame signal via 0-5 Vdc output and built-in test jacks.
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Reduced risk of undetected faults thanks to Ampli-Check self-checking.
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Simple and error-proof installation with keyed plug-in design.
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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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