Greer Systems Automation LLC
Ammonia Detection
Precision Gas Detection
Custom Control Automation

Greater Nashville Tennessee
800.877.4524    800.864.2485
Gas Specific 8 year life, -40F to +120F Standard Operating Temperature. AS400 series gas detector boast a 3 year warranty, sensor and circuit no prorating, no tricks or hoops to jump through, just cover shipping to and from your location, ANY PPM range to 1000 at no additional cost. Electrochemical AS600 series detector are designed for wet locations and PPM range is specified by manufacture.

OE Manufacture of Precision Detection and Control Solutions in U.S.A. history of circuit and manufacturing in
America since the early 1980s, handmade  by professionals for over 30 years,

Greer Systems Automation manufactures electronic circuits specific to the industrial leak detection and building automation market,
stationary gas detectors and controllers enjoy a long history of operation for our clients, over the years we have developed several lines
suited for different applications, 4-20mA or 1-5 Volt output, selectable- non or isolated outputs and adjustable form C relays,

We manufacture many circuits, from Micro Temperature Circuits to Full Ethernet accessible Platform Controllers, all our products are
handmade in the U.S.A.
We also offer full testing and rework capability, we can supply test gas and replacement sensors
fast, friendly support is always free.
Small Orders Welcome,  Free Ground Shipping, Unless specified most orders ship 2nd day
AS400 Solid State
AS600 Electrochemical
IC  Electrochemical
IC  Solid State
Shipping, RMA

International Orders
Company Profile
Suppliers, Vendors
Calibration, Test Gas
Recycle, Environmental
Introduction  IC Detectors
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