TFD-15XX SERIES SMOKE DEDECTORS General Specifications Technical specifications Ÿ 4 wires to use with intruder alarm panels. Ÿ Plugged contact structure to prevent intermittent contact. (Figure 1-b) Ÿ Microprocessor design: High electromagnetic immunity, does not allow false alarms, not affected by light sources such as florescence, etc. Ÿ Adaptive threshold: Prevents false alarms that occur due to dust. Ÿ Stylish, fireproof plastic ABS body. Ÿ 2 LEDs, visible from every angle. Flash in each 10 seconds to show that it is working. Ÿ Compatible with EN 54-7. Ÿ Dimensions: Ø: 110mm, h:50mm Ÿ Weight: 198g. · TFD-1550 Optical Smoke + Heat Multisensor Detector o 57°C heat and visible smoke. o 35mA maximum alarm current. TFD-1530 Optical Smoke Detector o Detection Area: 60m2 (4m. height). o 35mA maximum alarm current. WORKING PRINCIPLES Detection Optical Sampling Frequency 3 seconds ELECTRICAL SPECIFICATIONS Operating voltage 10-24 V DC Operating wire 4 wires Average operating current 1mA Contact type NC MECHANICAL SPECIFICATIONS Material Fireproof ABS Alarm LED 2 pieces Ø:110mm, h:50mm Dimensions 198g. Weight ENVIRONMENTAL SPECIFICATIONS -10ºC ~ +55ºC Temperature Humidity 0% ~ 95%