H2S Gas Sensor Module has 180 day calibration interval.

Press Release Summary:

FM-approved for performance and area safety requirements, 4501-05 hydrogen sulfide (H2S) gas sensor module features 4-20 mA, 2-wire, loop-powered design. It is supplied with stainless steel transmitter and sensor enclosure. Design combines non-intrusive calibration with integral scrolling menu-driven LCD for access to gas status, calibration information, and diagnostics. Product offers variable range selection and mounting configurations.

Original Press Release:

NEW - 2-Wire H2S Gas Sensor Module

November 15, 2006 - Sierra Monitor Corporation, Milpitas, California proudly announces the release of the new 4501-05, a 2-Wire Hydrogen Sulfide Gas Sensor Module. Two-wire, loop powered gas detectors provide the user with lower cost and easier installation and maintenance. This eliminates the need for separate power runs and associated power distribution and circuit protection for each device.

The new 4501-05 provides features not found in similar products including:

o Low maintenance costs due to 180 day (six-month) calibration interval (FM approved and the longest calibration frequency in the industry)
o Low installation costs due to 4-20 mA 2-wire loop-powered design
o Performance confidence with FM approval for performance and area safety requirements
o Fastest response time, highest accuracy, and specifications unmatched in the industry.
o Durability of a stainless steel transmitter and sensor enclosure
o Non-intrusive calibration matched with an integral scrolling menu-driven LCD display
for easy access to gas status, calibration information and diagnostics
o Common signal output of 4-20 mA
o Application adaptability with variable range selection and mounting configuration.

About Sierra Monitor Corporation
Sierra Monitor Corporation manufactures and integrates hazardous gas monitoring systems for industrial safety applications. With more than 26 years experience and over 14,000 installations of fixed gas monitoring systems Sierra Monitor is a technology leader in the industry. Sierra Monitor's accomplishments include the first digital bi-directional multi-drop communication bus between sensors and controller, the first serial Modbus communication output for plant-wide systems, the first interface to third party legacy sensors and devices and the first cost-effective web-based graphical system for monitoring plant-wide hazardous gas conditions.

For further information contact Stephen R. Ferree, Director of Marketing, Sierra Monitor Corporation, 1991 Tarob Court, Milpitas, CA 95035, 408-262-6611, toll free: 800-727-4377, EMail: sferree@sierramonitor.com

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