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High Sensitivity Air Sampling System

Hochiki’s FIRElink range of high sensitivity air sampling equipment consists of a laser-based detector and sampling pipe work and accessories providing the very highest levels of sensitivity for the protection of risks such as computer areas.

FIRElink is available to give warning at the very slightest trace of smoke. All detectors in the FIRElink range have been approved to EN54-20:2006 Classes A, B & C by LPCB and are ideal for Clean Rooms, Warehouses, Computer Areas and Cold Stores.

 

Patented wireless technology, Hochiki ESP compatible, expandable and configurable, flexible and versatile, simple installation

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What is Air Sampling Fire Detection?

An Air Sampling Fire Detection System is one which utilises the suction of air in conjunciton with small pipe work to sample the air for smoke. Air sampling detection is up to 200 times the sensitivity of a point detector.

 

 

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How does Air Sampling Work?

With strategically placed pipes and sampling holes, an air impeller can sample the air by drawing it along the  pipe and into the detector measuring chamber.

This aspirating smoke detection system is designed to provide an extremely high level of sensitivity to smoke detection, therefore detecting smoke at an earlier stage in the developement of a fire.

 

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False Alarm Reduction

With the high sensitivity of air sampling systems, there is an increased chance of false alarms. However, with Hochiki FIRElink, false alarms are reduced by unique dust discrimination. Threshold levels can be set, indicating large dust particles into the scattering volume.

 

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High Sensitivity Sampling

High sensitivity air sampling is provided by the obscuration method, and when a  pre-defined density of smoke appears in  the chamber, the system will go into  alarm.

 

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Expandable & Configurable

Dilution can be a potential problem if the pipe design has not been carefully considered. With FIRElink, pipe work is customisable to help allocate sampling holes in specific locations for precision, accuracy and efficiency in the sampling. 

 

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CAPILLARY SAMPLING

Capillary sampling is a method of locating smoke sampling points remote from the main sampling pipe.  This is particularly useful where the main sampling pipe cannot be routed through the area requiring protection for either technical or aesthetic reasons.  

The actual capillary sampling point assembly may be known as a ‘remote sampling point’ or ‘extended sampling point’.

The technique uses short lengths of flexible tubing that branches off from the main sampling pipe.The end of the flexible tube is fitted with an assembly to achieve the desired air flow rate for the application.

 

 

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RETURN REGISTER & DUCT SAMPLING

Sampling air at return air registers and in extract air ducts is an effective, convenient and flexible method of detecting smoke from protected areas that have a constant air flow created by mechanical air handling plant. 
 
Typical examples - computer, telephone switch rooms, micro-electronics clean rooms, atrium and auditorium areas, etc.

This method of sampling can effectively protect large volumes at a relatively low cost.  It can also offer unobtrusive coverage, which may be essential for some applications.

Duct sampling uses a sampling pipe or ‘duct probe’ which penetrates a return air duct in such a way that the sampling holes are placed directly in the path of the air flow. An air sample is taken by the duct probe and drawn back to the detector.

 

The FIREwave System

 

FIRElink-25

A Single Pipe Air Sampling Detector

Designed to provide very high sensitivity smoke detection. The unit will automatically setup for easy installation and is also designed to fit into a Docking Station which accepts all sampling pipes and cables leaving the detector to be fitted during the final commissioning phase.

RSM-WTM Hochiki Wireless Translator

 

FIRElink-100

A Two Pipe Air Sampling Detector

Designed to provide very high sensitivity smoke detection. The unit will automatically setup for easy installation and is also designed to fit into a Docking Station which accepts all sampling pipes and cables leaving the detector to be fitted during the final commissioning phase.

RSM-EXP Hochiki Wireless Expander
 

FIRElink-400

A Four Pipe Air Sampling Detector

Designed to provide very high sensitivity smoke detection with inherent immunity to dust / dirt build up. Discriminates between "dirty" and "clean" operating periods such as day and night, automatically substituting appropriate system sensitivity without the need for external input or adjustment.

ROD-E Hochiki Wireless Smoke Sensor
 

FIRElink-400CM

A Four Pipe Air Sampling Detector w/ Integral Command Module

Designed to provide very high sensitivity smoke detection with inherent immunity to dust / dirt build up. Added "Command Module" allows the user to control, program and test other FIRElink units on the same "network".

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RHD-E Hochiki Wireless Heat Sensor
 

FL-RC

An Input Relay Card

Designed to provide detector inputs that may be programmed for Remote Day / Night Mode Changeover, Remote Reset or Classifire Override as well as power supply fault monitoring.

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RMD-E Hochiki Wirelesss Multi Sensor
 

FL-APIC

An Addressable Protocol Interface Card

Used to decode and relay FIRElink detector information directly to an Hochiki ESP compliant Fire Control Panel.

RSM-IP & RSM-OP Hochiki Wireless Modules
    

FIRElink Sampling Pipes

& Connectors

Used in conjunction with the FIRElink Range of Air Sampling Detectors. The PipeCAD software supplied with each FIRElink detector calculates the length of the pipe and configuration of sampling holes required for each installation.

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RMD-E Hochiki Wirelesss Multi Sensor
 

FIRElink Dust Filters

FL-DF1 & FL-DF2

Hochiki Dust Filter for FIRElink 400 Series (1) 7 25/100 Series (2)

RSM-IP & RSM-OP Hochiki Wireless Modules

 

Learn More

 

We have FIRElink specific literature which you cna download for free, see the PDF icons below:

 
     

For almost 100 years Hochiki has led the way in the design and manufacture of innovative life safety solutions. Its leading edge commercial and industrial fire detection and emergency lighting products have acquired global acceptance as the benchmark for high-integrity and long-term reliability.

With a global sales turnover exceeding £400m Hochiki is a wholly independent, multinational, publicly listed company with over 1,500 employees working across five manufacturing plants, 32 sales offices and 18 subsidiaries.

Its ongoing commitment to manufacturing innovation ensures customer satisfaction and its production facilities in Japan, the USA and Europe offer international continuity in quality, service and supply.

           
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