Dräger PIR 7000 Point Infrared Gas Detector

Overview

The Dräger PIR 7000 is an explosion-proof point gas detection transmitter that uses infrared (IR) technology to continuously monitor hydrocarbon gases in %LEL or ppm. With its stainless steel SS 316L enclosure and drift-free optics, this detector is built for the harshest industrial environments, including offshore installations.

As a trusted supplier of Dräger safety equipment, Seven Star LLC proudly offers the PIR 7000 to oil and gas, petrochemical, and offshore facilities across the Sultanate of Oman, Muscat, and the wider GCC. Two models are available—type 334 and type 340—each operating at a different measuring wavelength to give the broadest possible range of detectable substances with superior accuracy.

Measurement Principle

The PIR 7000 builds on the success of the Dräger Polytron IR, the most stable point infrared gas detector worldwide, combining a maximum light-collecting construction with a 4-beam signal-stabilizing system. The total optical system uses no light beam split, simply a set of various reflectors, making this double-compensating, non-imaging optical design highly resistant to dust, fog, insects, and dirt accumulation on the optical surface.

Because the measuring signal is not affected by a partial beam block, the PIR 7000 fulfills demanding requirements for no false alarms, longer service intervals, and drift-free signal output. The detector comes standard with 3 embedded gases (methane, propane, ethylene) with capacity for up to 10 embedded gases, selectable from a library of over 80 available gases using Dräger Polysoft Premium software, with switching between target gases requiring no recalibration.

Engineering Design of the PIR 7000

The PIR 7000 operates from a 9 to 30VDC power supply (13 to 30VDC for HART operation) across an extended operating temperature range of -40°F to +170.6°F, with IP66/67 ingress protection in a hermetically sealed stainless steel SS 316L enclosure measuring 6.3 x 3.5 x 3.5 inches and weighing 4.85 lbs. The measuring range can be freely adjusted between 0-350ppm and 0-100% LEL, enabling a wide variety of applications, and the device offers a configurable response mode allowing users to choose between “normal” or “high speed” response depending on the application.

The device is available with either M25 or 3/4-inch NPT cable entry and outputs a conventional 4-20mA analog signal with single cable multidrop capability via HART communication. Developed and manufactured according to SIL guidelines, the PIR 7000 not only meets but exceeds SIL 2 (IEC 61508) requirements, with continuous self-testing, no moving parts, resistance to shock and vibration up to 4G, and a typical lifetime greater than 15 years.

Key Features

The PIR 7000 combines proven 4-beam infrared optics with extensive configurability. Core capabilities include:

• Hermetically sealed stainless steel SS 316L enclosure for the harshest environments.
• 4-beam signal-stabilizing, double-compensating optics resistant to dust, fog, and insects.
• SIL 2 certified (exceeds requirements) per IEC 61508.
• Response time of less than 1 second in high-speed mode.
• Configurable gas library (3 fixed, up to 10 embedded, 80+ available substances).
• Beam block warning for scheduled preventive maintenance.
• 4-20mA analog output with HART single cable multidrop capability.
• ATEX, IECEx, UL, and CSA hazardous area approvals for worldwide application.

Industrial Applications

The PIR 7000 is well suited to offshore platforms, refineries, and petrochemical plants across Oman requiring reliable, drift-free continuous monitoring of flammable hydrocarbon gases and vapours. Its resistance to dust, fog, and insect intrusion, combined with long maintenance intervals, makes it a dependable choice for remote or difficult-to-access installations throughout the region.

As a trusted supplier of Dräger safety equipment, Seven Star LLC supports oil and gas facilities, chemical plants, and marine installations throughout the Sohar and Salalah economic zones and the broader GCC region with the PIR 7000’s proven infrared gas detection platform.

Technical Specifications

Full technical parameters for the Dräger PIR 7000 point infrared gas detector:

Why Choose Seven Star LLC for Fixed Gas Detection Sourcing

Selecting between the PIR 7000’s type 334 and type 340 wavelength variants, and configuring the correct embedded gas library, depends on the exact hydrocarbon mixture present at a given detection point – a mismatch reduces sensitivity to the actual gas of concern even though the detector appears to be functioning normally. Seven Star LLC’s engineers review the process gas composition and detection-point layout with the customer before the PIR 7000 is ordered, confirming wavelength type, measuring range, and cable entry standard (M25 or NPT) against the site’s existing conduit and instrumentation practice. For offshore and coastal installations across Oman we also confirm the SS 316L enclosure and IP66/67 rating are appropriate for the salt-air exposure involved, and we plan spare-unit stock so a failed detector on a safety-critical gas detection loop can be replaced without leaving a coverage gap.

Request a Quote for Dräger PIR 7000 Point Infrared Gas Detector

To submit a formal Request for Quote (RFQ), check current availability and lead time, or arrange technical consultation for the Dräger PIR 7000 Point Infrared Gas Detector, please contact Seven Star LLC today. As a trusted supplier of Dräger safety equipment in Oman and the GCC, our engineers are ready to assist with rapid sourcing for your flammable gas detection projects.

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See also: Dräger Polytron 8200 CAT Flammable Gas Transmitter.