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Maintenance
System Standby
When a test series is complete, the instrument sets the sensor to the Bypass state. In this position the
sensor is isolated and protected from inadvertent exposure to large amounts of water vapor.
If no testing will be performed for an extended period of time (overnight or weekend) leave a film mounted
and clamped in the test cells. Turning off the power and the gas supply to instrument is not recommended.
If instrument is shutdown you will need to wait for it to outgas before testing can resume.
When all cells are in the "Idle" state, the instrument will activate the "Gas Saver" function which
automatically reduces the gas consumption by 25 to 50%.
System Shutdown for Storage or Repair
When shutting down the instrument for relocation, long-term storage, or if the instrument is to be sent for
factory repairs, follow these instructions:
1.
End all active tests and verify that the sensor is set to Bypass.
2.
Set the Temperature Set Point to the approximate ambient temperature and allow the
instrument to come to ambient temperature.
CAUTION:
3.
Remove the water from the Humidifiers see "Drying Out the Humidifier" in this chapter.
4.
Turn off power to the instrument.
5.
Disconnect the gas lines at the rear of the module and use the brass fitting plugs (025-382)
to seal the gas connections fittings on the rear of the instrument.
7-8
The instrument's testing temperature must be at ambient temperature
with the gases flowing before turning the instrument off for a long
period of time. If the temperature is not at ambient, condensation may
form and damage to the instrument is likely.
Revision G
AQUATRAN 3/38 Operator's Manual
MOCON, Inc.
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