Warnings, Care And Maintenance Of The Probes - DeltaOHM HD32.1 Operating Manual

Thermal microclimate
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Performing the measurement
The tripod and required probes are assembled where you wish to perform the measurement. Then
you need to setup the instrument and start the measurement. If you have to carry out the
measurement s in another location, you need to move everything in that new location.
At the end of the measurement session, or later, the data are transferred to a PC for processing and
reports.

6.1.1 Warnings, care and maintenance of the probes

Do not expose the probes to gases or liquids that could corrode the material of the probe. Clean
the probes carefully after each measurement.
Do not bend the probe connectors or force them upward or downward.
Comply with the correct polarity of the probes.
Do not bend or force the contacts when inserting the probe connector into the instrument.
Do not bend, deform or drop the probes, as this could cause irreparable damage.
Always select the most suitable probe for your application.
To obtain reliable measurements, temperature variations that are too rapid must be avoided.
• Some probes are not insulated from their external casing; be very careful not to come
into contact with live parts (above 48V). This could be extremely dangerous for the
instrument as well as for the operator, who could be electrocuted.
Avoid taking measurements in presence of high frequency sources, microwave ovens or large
magnetic fields; results may not be very reliable.
The instrument is water resistant, but should not be immersed in water. Should the instrument
fall into the water, check for any water infiltration.
Wind speed hot-wire sensor AP3203
• The wind speed hot-wire sensor AP3203 is heated and, in the presence of gas
vapors, could trigger a fire or explosion. Do not use the probe in the presence of
inflammable gases. Ensure that no potentially explosive gas or vapor leakage is
present in the measurement environments .
The probe is delicate and should be handled with extreme care. As the sensor is only
partially protected during use, a simple collision could render the probe unusable.
After measurement, the sensor set on the probe head must be protected with the supplied
threaded cylinder.
During use, the AP3203 omni directional probe must be protected with the special metallic
sphere.
The sphere protection must be removed after use, and the sensor must be closed into the special
protection cylinder.
Do not let fingers touch the sensors.
Use only distilled water to clean the probe.
HD32.1
- 65 -
V2.1

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