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Application:
This super-compact luminaire
can be used for integral light/sight
port (single flange version) or
separate light and sight ports (dual
flange version) to illuminate the
internals of visual-flow indicators,
pipelines, laboratory mixers and
other vessels and reactors which
are normally closed. This model
is intended for use in all non-hazardous
areas. The unit is suitable for
food processing. The luminaire must
never be inserted into a vessel
wall as a sealing element, i.e.
without appropriate Sight Glass
disc and fitting.
Sight
Glass Styles and Size:
This powerful, super-compact
luminaire is designed to give glare
free illumination in combination
with circular Sight Glasses of the
following styles (these minimum
sizes and larger):
-
circular
flanges, Model DIN 28120, DN
50 (weld type)
-
circular
flanges, bolt-on type
-
visual-flow
indicators
-
circular
screwed flanges style Series
MV, size DN 65
Protection:
Dust and waterjet proof to IP
65 and EN 60598.
Ambient
Condition Operating Range:
The unit is independent of any
internal vessel pressure or vacuum.
Normally it is suitable for ambient
temperatures of 55 °C, higher temperatures
on request.
Power
supply:
-
with
built-in pushbutton
-
power
supply 24 V or 120 V (model
USL-02); halogen lamp 50 W,
2-pin socket GY 6.35
-
without
built-in pushbutton
-
power
supply 24 V or 120 V (model
USL-02); halogen lamp 20 W,
2-pin socket G 4
-
alternatively
available for 12 V power supply
Switch/Pushbutton:
The 50 W model is supplied with
a built-in momentary pushbutton
on/off switch.
Transformers:
Transformers with 24 V secondary
voltage must be supplied separately.
Lamp
Change:
-
switch
off the luminaire and disconnect
the power supply
-
loosen
the two screws at the rear end
of the luminaire housing and
open the housing
-
replace
halogen lamp with lamp of same
type and size, do not touch
the glass with bare fingers
-
refit
luminaire housing and tighten
the two fastening screws.
-
reconnect
power
Installation:
The unit comes with a 10' cable
tail. The luminaire is usually bolted
with its hinged bracket to the respective
Sight Glass assembly, such as the
cover flange of a bolted circular
Sight Glass or the slotted cover
nut of a screwed flange Sight Glass.
The necessary M6 bolt is furnished
with the luminaire.
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Lumiglas
USL 03: stainless steel, super compact,
bright illumination, lamps up to
50 W
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