The Det-Tronics part number 014043-003 corresponds to the LS2000SM25SMSE2R-YO, a model from the FlexSight  LS2000 Series of infrared gas detectors. Here's what you need to know:

• Type: Line-of-Sight Infrared Hydrocarbon Gas Detector (Receiver unit)
• Detection Range: Typically up to 120 meters, optimized for open-path detection
• Function: Detects combustible hydrocarbon gases (e.g., methane, propane) using infrared absorption

Key Features

• Receiver Module: This part number refers specifically to the receiver component of the LS2000 system
• Output Options: Includes 4–20 mA analog output, HART protocol, and RS-485 Modbus
• Environmental Protection: Heated optics to prevent fogging or icing
• Optical Alignment: High tolerance for misalignment, ideal for outdoor or vibration-prone installations
• Status Indicators: Diagnostic LEDs for local fault and alarm status