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A radiometer should be chosen to fit the application and the
information required. The majority of systems measure in the
UVA spectrum (320nm-390nm). This is because the majority of
UV chemistry responds to this band of energy. If
it is desirable to measure other parts of the UV spectrum, a
Selectable Radiometer is available to do so.
Which wavelength to measure is also a matter of choice.
The output of the sensing system is
converted to digital form and displayed on the LCD by scrolling through a
user-friendly menu. Total UV dosage, measured in Joules/cm2, is the result
of the integrated intensity during exposure time. It is how much actual UV
energy was impinged on the unit from the time it encountered UV until the
time the UV source was removed. The meter is able
to monitor the peak intensity in Watts/cm2 in each bandwidth. This allows
the operator to determine not only total energy, but also how that energy is
delivered; at what intensity and at what wavelength.
UV Flood Meter Features
Truly compact: 4.60" (117 mm) diameter -
same as a CD! Self-contained, battery powered. Total UV dosage, Joules/cm2.
Peak UV intensity, Watts/cm2 - Measures four UV ranges - UVA, UVB, UVC,
UVV. Low battery indicator, user-replaceable
lithium batteries. Selectable data displays.
Operation
At start-up, the operator simply exposes the radiometer to the curing
process, takes readings, and make adjustments by changing length of exposure
time, cleaning reflectors, or even re-lamping. The radiometer quantifies the
UV curing system and takes the guesswork out of the overall curing process.
Simply push the “Reset” button and send the unit through a curing system,
either conveyorized or stationary. The unit begins accumulating data when UV
energy is encountered which is greater than its 5mW/cm2 threshold. After the
meter has been passed through the UV process,
touching the “Select” button to scroll through a simple menu can easily
access the results of its measurements. Measurements displayed will be the
UV bandwidth being monitored, the total UV energy in Joules/cm2, and the
peak UV intensity in Watts/cm2 . If a low battery condition exists, this
will also be displayed. The unit will time itself out after approximately
two minutes of non-use to conserve battery life.
After the unit times itself out, the measurements obtained by the
meter for all bandwidths on all menus can still be
accessed by pushing the “Select” button again. This information will remain
available until the user pushes the “Reset” button to initiate a new
reading.
The unit is able to withstand extremely demanding operating conditions.
Since the internal temperature should not exceed 80°C, an
audible high temperature alarm will provide a warning that the unit is
approaching an unsafe internal temperature. The meter
can accommodate energy intensities up to 10W/cm2. Total energy range is 0 to
250 Joules/cm2 for each UV range.
The Flood Cure Meter uses lithium, batteries,
replaceable by the user. A weak battery will trigger a "Lo Battery"
warning to appear on the display. Data remains valid even in "Lo Battery"
status. When the battery voltage affects data integrity, zeros are displayed
in all locations.
Order:
100426 - UV Basic
FloodCure Radiometer. Specify - UVA, UVB, UVC, UVV
100427 - UV
FloodCure *Selectable Radiometer
*Selectable 320-445nm Measures all ranges.
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