Hochiki ESP Optical Smoke, Heat & CO Multisensor

The Hochiki ACD-EN is an addressable loop-powered multi-sensor, with smoke, heat and CO sensing elements. The CO sensing element can be used to detect smoke as well as life-threatening CO levels (acting as a CO alarm).

Hochiki ASD-EN Specification

Supply voltage : Operating voltage 17 – 41 V (Loop pulse voltage 7 – 9 V)

Current consumption (loop)

Quiescent 410 μA(typ)

Loop current (when polled) 22 mA±20%

Remote Indicator 8.0 mA±20%

LED Current 9.1 mA*2

Surge current 40 mA (for 50 ms)

Compatible bases YBN-R/3, YBO-R/SCI, YBN-R/3(SCI), YBO-BS, YBO-BSB, YBO-BSB2

Operating temperature range*3 -10°C - +50°C

Installation temperature range -20°C - +50°C

Storage temperature range -20°C - +50°C

Relative humidity

Dimensions 100mm diameter x 45mm (Without Base)

Case material Polycarbonate (Outer Cover) / PC/PS-GF (Terminal plate)

Colour Ivory (ACD-EN), White (ACD-EN(wht))

LPCB Approvals EN 54-5:2000 + A1:2002, EN 54-7:2000 +A1:2002 + A2:2006, EN 54-26: 2015 EN 54-29: 2015, EN 54-30: 2015, EN 54-31: 2015, CEA 4021:2003

Weight (without Base) 105g