Teledyne 7500ZA operating instructions Electrical Connections

NDIR Gas Analyzer Instalation

Name	Description	Name	Description
(5) Electronic gas	Dries the moisture in		measuring the oxygen
	the sample gas to a		concentration in
cooler
	dew point of approx.		sample gas.
	2°C		(Not used when O2
(6) Solenoid valve	Used for flowing the		sensor is built-in.)
	calibration gas.
(7) Membrane filter	PTFE filter used to	(11) NO2/NO	Added to NOx Analyzer.
	eliminate fine dust		A special catalyst
		converter
	particles.		material is used for
			efficient conversion of
			NO2 to NO

3.5 Electrical Connections

CAUTION: To prevent electric shock or fire:

∙ Turn off the power before wiring.

∙Always use a protective earth connection.

∙Select a proper wiring material that satisfies the ratings of the instrument. • Be sure to connect a

power supply of correct rating.

The power terminal block and external input/output connector are installed on the rear panel. Refer to the diagram below.

Teledyne Analytical Instruments 15