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Drager PIR 7000


The Drager PIR 7000 is an explosion proof point infrared gas detector for continuous monitoring of flammable gases and vapours. With its stainless steel SS 316L enclosure and driftfree optics this detector is built for the harshest industrial environments, e.g. offshore installations.

Two models of the Drager PIR 7000 are available – type 334 and type 340. Each model works with a different measuring wavelength, thus giving the broadest possible range of detectable substances with superior accuracy.

Advanced signal stability

Following the success of the most stable point infrared gas detector worldwide – the Drager Polytron IR – Drager now introduce the Drager PIR 7000 which encompasses the latest in revolutionary technology.

Based on patented innovations, the Drager PIR 7000 combines a maximum light collecting construction with a 4-beam signal stabilising system. The total optical system uses no light beam split, simply a set of various reflectors.

This double-compensating optical system is very resistant towards known influences such as dust, fog or insects frequently found in the measuring cuvette or by dirt accumulation on the optical surfaces. Due to its non-imaging construction, the measuring signal is not affected by a partial beam block. This innovative optical system ensures that the Drager PIR 7000 fulfils the customer requirements of “no false alarms”, longer service intervals and a drift-free signal output.

Fast response

Equally important is being informed about a potential hazard as early as possible. An early and reliable gas alarm allows for safety measures to be initiated on site.

To support this, the Drager PIR 7000 offers a configurable response mode which allows the end user to choose between “normal” or “high speed” response subject to the application. Using the “high speed” option, and combining it with the lowest feasible alarm threshold, the Drager PIR 7000 shortens the reaction time in case of an alarm. Leakages can be detected at the earliest stage of their existence.



Multiple configuration capabilities

The Drager PIR 7000 is delivered with the optimum default settings, but remains fully flexible to meet with the customers demands on an application-by-application basis.

Whether it be reduced measuring ranges, configurable special signals (fault, beam block warning, maintenance), adjustable LEL values (values which are different across regions) all coupled with the configurable gas library (for other substances to be monitored) – all these features of the Drager PIR 7000 offer the possibility to set up every device exactly to the customer’s needs and preferences.

Maximum reliability – SIL 2 certified

After almost two decades of experience with infrared technology, leading to a continuously enhanced product quality, the Drager PIR 7000 is further advanced as the total product has been developed inline with the Functional Safety standard EN 61508. This is applicable to both the devices hardware and software.

Furthermore, the excellent parameters as detailed in the SIL 2 (Safety Integrity Level) certificate, issued by the German TÜV show that only 2 % from the entire SIL 2 budget is allocated to the field device, thus providing flexibility to choose control systems and actuators.

This is a new understanding of reliability – not only fulfilling but exceeding the SIL 2 requirements significantly.


Datasheet
Manual

Ordering Information


Dräger PIR 7000 type 334 (NPT) HART 6811552

Dräger PIR 7000 type 334 (M25) HART 6811550

Dräger PIR 7000 type 334 (M25) HART, complete set 6811817

Dräger PIR 7000 type 340 (NPT) HART 6811562

Dräger PIR 7000 type 340 (M25) HART 6811560

Dräger PIR 7000 type 340 (M25) HART, complete set 6811819



Drager

Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

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