Teledyne 7500ZA Preparation for operation, Warm-up Operation and Normal Operation

NDIR Gas Analyzer Operation

Operation

4.1 Preparation for operation

Tube and wiring check

•Double-check if tubes of the gas sampling and exhaust ports are correctly connected.

•Double-check for proper wiring.

4.2Warm-up Operation and Normal Operation

(1)Operation Procedure

1.Turn ON the power switch on the left side when facing the front panel of the analyzer unit. The measurement screen will appear on the front display panel in a few seconds.

2.The instrument warm-up time is about 4 hours after which the instrument will produce an accurate measurement.

Note: During the warm-up stage, the concentration reading may be above the upper range limit. When this occurs, the indication will display as a series of four dashes. However, this is not an error.

3.During the warm up period, you can set the various instrument parameters as described in Section 6: Setting and Calibration.

4.After the warm-up period, perform the zero/span calibration as described in Section 6.8 Calibration.

5.After calibrating the analyzer, introduce sample gas into the analyzer and allow the lines to purge before accepting the measurement value.

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