Chapter 1 – Overview
1.1 Introduction
WARNING:
Operation of the ChemLogic
®
1 & 2 continuous gas detection system without a manual in the native language
in its country of operation is illegal. A translated copy of the manual should be requested immediately from
DOD Technologies and before installation of the device. Failure to do so may result in severe injury.
Contact:
Phone: +1 815-788-5200
email: solutions@dodtec.com
The ChemLogic
®
1 & 2 continuous gas detection systems should be used exclusively for the quick detection
of toxic, corrosive, and asphyxiant gases for process measurement and personnel safety purposes. Failure to
comply with the intended purpose of the device may result in injury or death.
The DOD Technologies ChemLogic
®
1 & 2 continuously monitors a single or double location (called a point)
for toxic and corrosive gas. It responds to gas that exceeds a programmed alarm level by:
• Triggering visual alarms on the display that warn of high or low concentrations
• Triggering relays or activating analog outputs to external devices
• Displaying the gas type and gas concentration
• Recording the alarm information and storing it to removable storage.
The CL1/CL2 triggers relays for two levels of gas concentrations. These programmable limits are factory-set
at 1 TLV and 2 TLV for their respective gases.
The point may be up to 150feet (45 m) from the CL1/CL2 location depending on the type of gas being
monitored. This allows operators to monitor the gas concentration in an area removed from the location
where gas may be leaking.
The CL1/CL2 provides a fast response to a wide range of gases. It was designed for maximum uptime, so
routine maintenance and service can be performed quickly and easily.
The CL1/CL2 uses DOD Technologies ChemLogic
®
paper tape technology for fast and accurate gas detection.
1.2 Sampling and Monitoring
The system draws sample flow through the inlet on the bottom of the unit and across the ChemLogic
®
tape.
The gas is then exhausted through a port on the side of the CL1/CL2.
1.3 Flow Connections
Flow connections consist of “quick-connect” ports on the bottom and side of the CL1/CL2. There is one inlet
and one exhaust outlet.
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