Infrared Gas Analyzer

Installation

 

 

 

2.5 Gas Connections

Gas connections are made on the rear panel of the analyzer. Adhere to the following guidelines when making gas connections:

Use a corrosion resistant tube such as Teflon, stainless or polyethylene to connect the instrument to a sampling system. Even if there is a danger of corrosion, refrain from using rubber or soft vinyl tubing. This would result in instrument inaccuracies due to gas absorption by the piping materials.

Pipe connection port is Rc1/4 female thread (or NPT1/4). Piping should be cut as short as possible for quicker response. About 4 mm inner diameter is recommended.

Keep out dust and debris from the tubing and connections . Always use clean tubing and fittings.

Connect the gas tube as follows:

Sample gas inlet: Attach the sample gas tube to the inlet fitting. The sample gas should be filtered and dehumidified before passing into the analyzer. This port is also used to connect the zero and span calibration gases.

The gas flow should be constant within the range of 0.5 L/min ±0.2 L/min.

Sample gas outlet: Sample gas exits the analyzer through the gas out port at atmospheric pressure. Exhaust gases must be vented safely.

Purge gas inlet: This connection is used for purging the inside of the analyzer. Purging is not always required. See Section 2.5.6 Purging the Analyzer. When required, use dry N2 or instrumentation air for the purge gas. Use a flow rate of 1L/min or greater).

2.5.1Internal Piping Diagram

Note: When the purge gas inlet is provided, an internal connection to measuring unit 2 is installed.

Teledyne Analytical Instruments

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Teledyne 7600 operating instructions Gas Connections, Internal Piping Diagram

7600 specifications

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