Analog Photo/Heat Sensor SIMPLEX 4098-9754 Flange Mount

Description

Product Overview

The SIMPLEX 4098-9754 analog photo/heat sensor is engineered for high‑reliability fire detection in demanding industrial settings. Combining a photoelectric sensor element with a heat‑sensitive component, it reacts to both flame presence and rapid temperature rise, delivering a dual‑mode alarm that reduces false triggers while ensuring rapid response. The unit is powered directly from the central alarm panel, eliminating the need for batteries and simplifying maintenance. Housed in a compact, modern enclosure weighing just 50 grams, the sensor measures 8.19 x 7.83 x 2.87 inches and mounts easily via a flange‑type bracket, making it suitable for panel integration in control rooms, warehouses, and manufacturing facilities. Its robust construction meets industrial standards, and the device is listed under part number S4098-9754 with UPC 643485652908. Designed for fire‑related applications, the sensor is compatible with existing alarm infrastructures and does not require additional power sources, providing a clean, low‑maintenance solution for continuous safety monitoring.

Usage

This sensor excels in environments where early fire detection is critical. Ideal for factories, chemical plants, storage warehouses, and large commercial buildings, the analog photo/heat sensor can be installed on any standard alarm panel using its flange mount. Its dual detection mode makes it effective in areas with high dust or steam where traditional flame detectors might struggle. By monitoring both light emitted by a flame and the ambient temperature rise, the device provides a reliable alarm signal to the central system, triggering evacuation protocols and fire suppression mechanisms. The sensor’s design also suits outdoor installations protected by a housing, as the photoelectric element is shielded from direct sunlight, reducing the chance of nuisance alarms. Because it draws power from the central panel, it remains operational during power fluctuations, ensuring continuous protection. Maintenance personnel appreciate the easy access for periodic testing, and the lack of batteries means fewer routine replacements, lowering operational costs.

Why Choose Us

SIMPLEX has a long history of delivering dependable safety equipment, and the 4098-9754 sensor reflects that legacy of quality. Each unit undergoes rigorous testing to meet industry standards for fire detection, ensuring consistent performance across a wide temperature range. The sensor’s flange‑mount design simplifies installation, reducing labor time and minimizing the risk of incorrect placement. Our after‑sales support includes technical assistance, warranty coverage, and access to replacement parts, giving customers confidence in long‑term reliability. The product is not discontinued, and its best‑seller rank in the photoelectric sensor category demonstrates strong market acceptance. By choosing this sensor, facilities benefit from a proven solution that integrates seamlessly with existing alarm infrastructure, offers dual‑mode detection for enhanced safety, and reduces total cost of ownership through its battery‑free operation.

Key Features

• Dual detection technology combines photoelectric and heat sensing for faster, more accurate fire alerts.
• Flange‑mount design enables quick, secure installation on standard alarm panels without special tools.
• Powered directly from the central alarm system, eliminating the need for batteries and reducing maintenance.
• Compact, lightweight construction fits tight spaces while maintaining durability for industrial environments.
• Comprehensive customer support and warranty coverage ensure reliable performance and peace of mind.

FAQ

What type of fire does the sensor detect?

The sensor detects both visible flames through its photoelectric element and rapid temperature increases via its heat component, making it effective for a wide range of fire scenarios, including smoldering fires and fast‑rising flames.

Can the sensor be used with existing alarm panels?

Yes, the 4098-9754 is designed to integrate with standard central alarm panels. Its flange‑mount attachment and power‑by‑panel feature allow seamless retrofitting into most commercial and industrial alarm systems.

Is battery replacement required?

No. The sensor draws its power directly from the central alarm panel, so there are no batteries to replace, which reduces ongoing maintenance costs and eliminates the risk of power loss due to dead batteries.

How often should the sensor be tested?

Routine testing is recommended quarterly to ensure optimal performance. The sensor includes a test button that allows technicians to verify alarm activation without disrupting the overall system.

What warranty does SIMPLEX provide?

SIMPLEX offers a standard one‑year warranty covering manufacturing defects, along with optional extended service plans. Technical support is available throughout the warranty period to assist with installation and troubleshooting.