2151

The System Sensor 100 Series 2151 is a photoelectric smoke detector designed with a sleek, low-profile form factor, measuring just 2 inches (5.1 cm) deep. It features a unique optical sensing chamber engineered to detect smoke particles from various combustion sources, with a custom integrated circuit for signal processing to minimize false alarms.

This detector operates within a temperature range of 0°C to 49°C and a humidity range of 10% to 93% RH (non-condensing). It has a sensitivity of 1% to 3.18%/ft. and a standby current draw of 120µA when used with a B110LP base. The sensing chamber is sealed against back pressure air flow, and the chamber top is covered by a removable screen to prevent dirt and insect entry.

The 2151 is compatible with the 400 Series product line and offers a broad range of adapter bases with built-in shorting springs. It includes features such as two LEDs for 360° visibility, a built-in tamper-resistant base design, a remote LED option, a removable cover, and a built-in test switch. The detector meets UL performance criteria and is suitable for use in environments with air velocities up to 3000 fpm.