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Operating Manual PT 18x
5
Initial Setup
5.1
General Information
The pyrometer's field of view must remain unobstructed. Any obstruction
may lead to measurement errors.
5.2
Using the protective glass
A protective glass will protect the pyrometer lens against dirt and molten
metal splatter. This optional accessory is included with the pyrometer
purchase. If desired, simply screw it onto the objective lens.
When using the CellaCast PT 180 / PT 183 as a two-colour pyrometer
(which is the normal operating mode), you will not need to select a spe-
cial setting to compensate for the transmittance of the quartz glass. If
you perform a spectral (single-wavelength) measurement, you must set
the transmittance to 0.93 for the selected spectral channel (see chapter
12.1.2, parameter
Only use the wavelength-neutral lens protection glass supplied
by KELLER. Do not use any commonly available camera lens
accessory! Doing so will result in measurement errors.
5.3
Charging the batteries
Connect the battery charging socket of the CellaCast PT to the provided
power supply. The charge indicator lights as long as the batteries are be-
ing charged. A complete charging cycle takes approx. 15 hours.
Only use the power supply which comes with the pyrome-
ter. Do not use any other power supply as this may cause
irreparable damage to the device.
TAU.1
).
6
Protective glass
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