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Rosemount
Rosemount Quad Sense Model 965 Flame Detector
Quote on request
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Rosemount Quad Sense 965: IR3; to 150 ft; <5 s; FOV 100°/95°. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Output
Alarm/Fault relays; 0–20 mA stepped (Fault/BIT/Normal/Warning/Alarm); HART on mA
Supply
24 Vdc nominal (12 to 32 Vdc)
Protection
IP66 and IP68; NEMA 250 Type 6P
Ambient temperature
Operating −40 to +158 °F (−40 to +70 °C)
Communication
HART; RS-485/Modbus options per wiring configuration
Approvals
Hazardous-area explosion-proof certified models available
Fits hydrocarbon fire detection where you need a Rosemount Quad Sense Model 965. QuadSense triple-IR (IR3) detector with four IR bands between 4 μm and 5 μm, hydrocarbon fires up to 150 ft (45 m) at highest sensitivity (1 ft² / 0.1 m² pan fire), typical response under 5 s, five selectable sensitivity ranges, and FOV about 100° horizontal / 95° vertical at 50% of maximum distance.
Key advantages
- Technology — IR3 QuadSense (4 bands 4–5 μm)
- Range — Hydrocarbon fires to 150 ft
- Response — Typically <5 s
- Sensitivity — Five selectable levels
- FOV — ~100° H / 95° V
Typical applications
- Hydrocarbon fire detection.
- Process area IR3 sensing.
- High-sensitivity flame watch.
Selection guide
- Sensitivity level
- Mounting / FOV
- Outputs / approvals
Common mistakes
- Obstructed FOV.
- Wrong sensitivity for distance.
- Ignoring band/media limits.
When to RFQ / what to tell us
- Sensitivity/options.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 787640 |
| Brand | Rosemount |
| Model | Quad Sense Model 965 |
| Product type | Flame Detector |
| Detection range | Hydrocarbon fires up to 150 ft (45 m) at highest sensitivity (1 ft² / 0.1 m² pan fire) |
| Sensing technology | QuadSense triple infrared (IR3); 4 IR bands between 4 μm and 5 μm |
| Detection response time | Typically <5 s |
| Sensitivity levels | Five selectable sensitivity ranges (e.g. from ~3 m class settings up to max range) |
| Field of view | Horizontal 100° / Vertical 95° (at 50% of maximum distance) |
Documents
FAQ
Q: Max detection? A: Up to 150 ft at highest sensitivity.
Q: Response? A: Typically <5 s.
Q: What should I send for a quote? A: Sensitivity/options, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Output | Alarm/Fault relays; 0–20 mA stepped (Fault/BIT/Normal/Warning/Alarm); HART on mA |
| Supply | 24 Vdc nominal (12 to 32 Vdc) |
| Protection | IP66 and IP68; NEMA 250 Type 6P |
| Ambient temperature | Operating −40 to +158 °F (−40 to +70 °C) |
| Communication | HART; RS-485/Modbus options per wiring configuration |
| Approvals | Hazardous-area explosion-proof certified models available |
| Detection Range | Hydrocarbon fires up to 150 ft (45 m) at highest sensitivity (1 ft² / 0.1 m² pan fire) |
| Sensing Technology | QuadSense triple infrared (IR3); 4 IR bands between 4 μm and 5 μm |
| Detection Response Time | Typically <5 s |
| Sensitivity Levels | Five selectable sensitivity ranges (e.g. from ~3 m class settings up to max range) |
| Field Of View | Horizontal 100° / Vertical 95° (at 50% of maximum distance) |
| Power Consumption | Typical ~25 mA / 0.6 W normal at 24 Vdc |
| Enclosure Material | Low-copper aluminum polyurethane painted (options per ordering) |
| Weight | Detector (aluminum): 1.65 lb (0.75 kg) |
| Built In Test | Infrared BIT for continuous optics/electronics integrity |