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Linear Optoelectronic Beam Smoke Detectors RK70R TECHNICAL INFORMATION The RK70R is a linear beam optical smoke detector that bases its working on the relation between the smoke present in a room, caused by the beginning of a fire, and the infrared beam emitted by the device and reflected by a special optical reflector. The RK70R is also able to detect the presence of vapour and fog. A fundamental feature of this detector is the ability to detect the presence of white smoke and black smoke too if it's not very dense. This detector is exspecially suitable for applications where the aesthetics element, the small dimensions, the possibility of remote control and the simplicity of use have a primary importance. The most important types of environments where the RK70R is usually installed are museums, churches, offices, hotels etc.
TECHNICAL ADVANTAGES • a single detector covers a 600 s.m. area • the installation is very easy and quick • it give out an analog voltage output that permits to remotely visualize the signal level using a suitable accessory (EV570) • a special internal circuit permits the remote regulation of the detector sensibility (over 1 km far) using the EV570 accessory • it has two thresholds one for the alarm and one for the prealarm • it detects automatically when maintenance is required • maintenance is easy and cheap • low cost
FEATURES • • • • • • • • • •
protected area: up to 600 square meters (40x15 m) electronics: solid state infrared modulated beam infrared source: solid state diode unsensibility to daylight built in infrared filter control of the sensibility: internal or remote easy alignment unsensible to the temporary crossing of a opaque body high sensitivity to white smoke and black smoke too (low density) • summing effect on the beam's path • automatic reset
APPLICATIONS • • • • •
museums churches libraries hotels shops and malls
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cinemas computer rooms control rooms storehouses and many others
EDS - V. Ca' Nova Zampieri 6 - 37057 S. G. Lupatoto(VERONA) ITALY - Tel. +39 045547529-Fax +39 0458750065-E.Mail:
[email protected]: eds-it.com
TECHNICAL DATA
DETECTOR’S OPERATION The RK70-R detector is made up of a plastic box consisting of a base, that has to be mounted on the wall, and a cover trasparent to the infrared radiation. There are two main parts inside: a trasmitter and a optoelectronic receiver. The trasmitter gives out a powerful infrared beam and the source of this beam is a special infrared emitting diode. The life of this diode is very long. The receiver is made up of a special solid state infrared detector able to convert the incident radiation in a electric signal. The method of operation on the RK70R is based on the principle of obscuration. The device has to be installed at one end of the area to be protected just under the level of the ceiling and the special reflector (FX) must be installed at the other end. When a fire begins, it produces smoke that goes up and intercepts the infrared beam. This smoke causes a change in electrical state (voltage) in the smoke detector that activates the alarm output relay right after the threshold level is reached. The output signal of the detector can be controlled and monitored using a suitable alarm system.
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power supply: 12 V dc or 24 V dc (+15 - 10%) current: 10 mA protection against the inversion of polarity infrared source: solid state infrared emitting diode silicon solid state detector internal infrared filter internal screen for the optical collimation optical path: 0-30m with reflector FX01 0-45m with reflector FX02 0-60m with reflector FX03
• optical positioning ±10° in all the directions • internal trimmer for the regulation of the sensitivity • trimmer for the regulation of the prealarm trigger threshold • internal special circuit for remote sensitivity control • output analog signal 0-10V • output delay of the alarm relay: 5 sec. • led for prealarm and alarm indication • prealarm output: Open Collector (transistor NPN) 50mA max • output alarm relay: 1A/24 Vcc • output terminal block with the possibility of the remote transmission of all the electrical information • plastic box (red or black base - black cover) • MinisterialApproval: N° 3503/295 • Accordance with Pr EN54-12 (2001) • execution: IP 50 (IEC 529-144) • dimensions: 162x62x63 mm • weight: 250 gr.
