The MHG 585 Flame Detector is intended for the automatic fire alarm signalling as a flame detector in the Electric Fire Detection and Alarm System LITES.
It is to use at locations of anticipated flame occurence. It works on the principle of detection of scattered infrared radiation of a flaming fire.
The MHG 585 Detector is meant for cooperation with the Control and Indicating Equipments (C.I.E.) MHU 106 (by the help of the JSM-5 loop group), MHU 108 and MHU 113. Through the use of the Adressing Unit MHY 409 it is also possible to connect the detector to the addressable C.I.E. MHU 109 and to the analogue C.I.E.‘s MHU 110 and MHU 111. To the line of a fire loop the detector is to connect by means of the MHY 703 Mounting Base, eventually in not potentially explosive atmosphere by the help of the MHY 713 Mounting Base. As parallel signalling the Signal Indicators MHS 409, MHS 408 (MHS 407, MHS 405) can be used.
The detector may work:
- in zone 1 and 2 of a space with gas burst hazard according to ČSN EN 60079-14
- in zone 22 of a combustible dust space according to ČSN EN 50281-1-2
- in space V1, V2, V3 with fire or explosion of explosives hazard according to ČSN 33 2340
The detector is produced in a voltage (MHG 585.078) and a current (MHG 585.081) version.
For its use in the Electric Fire Detection and Alarm System the detector is liable to the compliance examination according to law No. 22/1997 Sb., in wording law No. 71/2000 Sb. and the relevant orders of the government. For the use in potentially explosive atmosphere the detectors are liable to the homologation of the FTZÚ Ostrava - Radvanice A0 210. The detectors comply with the standard specifications EN 54-10.
|Supply voltage||16 ÷ 24 Vss|
|Rated supply voltage||21,5 Vss|
|Maximum permissible voltage||30 Vss|
|Steady state current||max. 200 µA|
|Current at fire alarm|
|MHG 585.078||max. 100 mA restricted by the C.I.E.|
|MHG 585.081||20 (+1/-5) mA|
|Voltage at fire alarm MHG 585.078||6 ÷ 8 V při 10 mA|
|Optical signalling in the detector||a red LED|
|Parallel signalling||type LITES|
|Flame sensitivity according to the methodics EN 54-10||2/17m class|
|Vision angle||90° (50° according EN 54-10)|
|Detector sensitivity wavelenght||4,3 µm|
|Flaming sensitivity frequence||2 ÷ 10 Hz|
|Construction according to ČSN EN 50014||EEx e II 85°C (T6)|
|Testing procedure||by the Test Bar MHY 533|
|Protection according to ČSN EN 60529||IP 65 (with the MHY 703 Mounting Base), IP 54 (with the MHY 713 Mounting Base)|
|Radioscreening degree according to ČSN EN 55 022||B-class equipment|
|Dimensions||ø147 × 45 mm|
|Weight||cca 650 g|
|Safety requirements||Product intended for a plant with safety arrangement in terms of ČSN EN 60950|
|The MHG 585 Flame Detector is intended for the interior of objects without occurrence of agressive substances, and for places where its protection and climatic immunity conform, and where sudden temperature changes leading to dew and ice accretion don`t occur.|
|Working temperature range||-25 °C to +70 °C|
|Relative humidity||permanent £ 75% 3 × 21 days in a year 95% at +40°C|