1.3 Technical Specification Listed LPCB Certification Compliance EN 54-12:2002 Fire Detection and Alarm Systems BS 5839 Part 1:2002 Operating Voltage 20 V to 28 V DC Current Parameters Standby: 23mA Commission: 56mA Alarm: 33 Beam Sensor Sensitivity (via Encoder ) Level 1: 2.6 dB High Sensitivty Level 2: 3.8 dB Medium Sensitivty Level 3: 5.8 dB Low Sensitivity Beam Pathway Length [via Encoder] Span 1: 8 to 20 meters Limited Path Span 2: 20 to 40 meters Short Path Span 3: 40 to 70 meters Normal Path Span 4: 70 to 100 meters Long Path Beam Path Angle Alignment Guide±0.4º Directional Alignment Guide Laser Beam Pointer Digital Display Guide Nixie Tube LED Indicator Guide Red: Fire ; Yellow: Fault ; Green: Alignment Reset Time Less than 2 Second Relay Capacity [Fire & Fault] Normally Open & Close/ 2.0 A; 30 VDC Physical Material / Colour ABS / White Dimension / Weight L:190.87 x W:126.87 x H:91.96 mm / 440 gm Weight 0.130 Kg with base Operating Temperature -10°C to +50°C Ingress Protection Rating IP30 [IP66 glue seal-For permanent fixing, Not EN54-12IP30 Humidity 0 to 95% Relative Humidity, Non condensing |