Operation; Operating Procedure; Preparation For Operation; Start Of Measurement - YOKOGAWA ZX8D User Manual

5.

Operation

WARNING
• When noxious gases such as CO or other gases are contained in the calibration gas, be
careful when venting or handling the instrument to avoid poisoning.
• When combustible gases are contained in measuring gas, check the gas composition and
instrument specifications before use, or else the best performance may not be obtained or
there may be a danger of explosion.
CAUTION
• Do not use a replacement part other than specified by the instrument maker. Otherwise,
adequate performance will not be provided. Besides, an accident or fault may be caused.
• Wiring at a place which is exposed to water or rain, is prohibited in order to prevent electrical
shock or damage to the instrument.
5.1

Operating procedure

Read through the instruction manual for the infrared gas analyzer to be combined with this
analyzer, then proceed to operation accordingly.
The oxygen analyzer requires a warmup of at least 30 minutes.
5.2

Preparation for operation

(1) Check of piping and wiring
Make sure all the piping and wiring have been made correctly.
(2) Turning on power
Turn on the power switch and the temperature will be indicated.
(3) Warmup
Flow zero gas (air) and warm up the instrument for at least 30 minutes. The warmup is
finished when the temperature reaches 800±5°C.
(4) Calibration
Calibrate the zero point (air) and span with reference to the instruction manual for the
infrared gas analyzer.
5.3

Start of measurement

Flow the sample gas into the instrument.
5.4

Shutdown

When shutting down the instrument, supply air or the like for at least 5 minutes to replace the
measured gas inside the sensor.
The turn OFF the power switch.
IM 11G00E01-01EN 6th Edition : May. 21, 2018-00
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