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The Draeger Polytron 7000 fixed gas detection system now combines worldwide approvals with Safety Integrated Level (SIL) 2 capability.

Supplied with a range of mounting capabilities for use in pump, relay, duct or remote applications, this modular system can also be used with various system functionality options.

As a result, it brings enhanced flexibility, ease of use, reduced maintenance and minimal system downtime to any application requiring intrinsically safe gas detection, according to the company.

This gas detector meets the needs of all toxic and oxygen requirements from a single platform and provides a fast solution to the constantly changing requirements of toxic gas and oxygen measurement in new and existing installations.

The system, which can be upgraded as and when required, allows each of the options to be mixed and matched to suit the needs of specific applications.

Offering 4-20mA and Hart fieldbus capabilities, the Polytron 7000 system incorporates sensor self-checking and data/event logging software.

It is compatible with the PDA m515-Ex, which can be used to configure the transmitter, to transfer concentration data to a PC or to copy one configuration to another transmitter.

Three-button navigation guides the user through the menu-driven functions and a large graphic display incorporates descriptive icons as well as plain-text information to aid configuration and diagnosis.

Designed to bring the maximum level of operational choice to the user, the system utilises Draeger’s Polytron Docking Station technology, which minimises system downtime and simplifies maintenance.

This docking station can be preinstalled on walls and pipes without special mounting plates and, at commissioning, can be connected to the transmitter via a quick-lock mechanism.

Enabling the fast removal and replacement of ‘like-for-like’ sensors that are equipped with data memory storing calibration information, the Polytron 7000 is also designed to accept a pre-calibrated sensor under the cost-effective Draeger Sensor Exchange Programme.

The system is fully compatible with the electrochemical Draegersensor range.

Designed for constant use in tough environments, the sensors combine high sensitivity and extended life with long-term stability, according to the company.

Featuring an embedded data memory, each Draegersensor is able to store all sensor-specific data, such as gas, sensitivity, self-test parameters, predictive maintenance functions, sensor vitality, temperature compensation, cross sensitivity and calibration information.

As the data is stored in the sensor and not in the transmitter, calibration can be carried out anywhere and at any time.

As soon as the sensor is plugged into the transmitter, the necessary information is downloaded to the transmitter without requiring any further adjustments.

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