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Our 809 gauge has a daytime viewable LCD display
with backlight for night viewing, compact in-cab
mounting, 4 programmable alarm outputs (which
includes a user programmable alarm, Alarm X) and an
output to drive the 815 SpillStop. This gauge has a
selectable resolution of 1/6" or 1/3". |
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Provides a
product volume readout for truck tanks. |
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Microprocessor based technology provides resolution of
1/6,1/3 or 1/4 inch, selectable at time of
installation.
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The Model 809 provides a
readout on a daytime viewable LCD display suitable
for inside mounting with a back light for night
viewing.
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Programmable output to operate a SpillStop
overfill prevention system, and a programmable alarm
output which can operate a light, horn, isolation
valve, or the MultiRack
optic / thermistor rack controller.
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Additional user alarm, AlarmX,
easily programmable using the front panel buttons.
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The display is calibrated with
the 816 or 916 programmer to read in inches of level,
or in volume units such as barrels, gallons, litres,
or cubic metres.
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Only one moving part, the
molded plastic float ensures high reliability,
Stainless Steel float option available.
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Micro power circuitry runs on
internal batteries - truck power is required only for
backlight and alarm indicator.
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Display can be turned off to
prevent false alarms while truck is in motion.
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All digital design eliminates
reading drift or degradation, ensuring long term
accuracy under all operating conditions.
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Built-in overfill warning alarm
can activate a horn or light with the ability to
bypass.
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Fibre optic connection between
tank and display for complete electrical safety.
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Operation from -40 to +60 oC
(-40 to +140oF) ambient, and up to +85 oC
(+185 oF) product.
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Accuracy up to +/- 0.125 inches
(+/- 0.35 cm).
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A remote version is also
available, for use with an 808P2
or 810PS2.
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Easy installation and servicing,
one year limited warranty.
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Click to enlarge
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The gauge operates using a magnetic reed switch sensor
bar detecting the float magnetic field. The system
provides a nominal accuracy of +/- 1/12 inch, but with
variations in reed switch sensitivities the actual
accuracy is +/- 1/8 inch.
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When the float is rising, the gauge will read about
1/16 inch lower than when the float is falling. This
happens because the reed switches are less sensitive
to engagement than they are to disengagement. The
practical result of this is that the gauge reading is
very stable and does not flicker with small ripples on
the surface of the product.
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A 316 stainless steel seamless tube houses the sensor
bar, and the fitting holding the tube in place can be
either steel or stainless steel. The tube and
polyethylene float are resistant to oils, fuels,
acids, sewage, and most chemicals. The sensor bar is
fully sealed to prevent moisture or product from
damaging the bar. The bar can be ordered to fit any
size tank up to 85 inches in height, and can be easily
removed for servicing, or for use on another trailer.
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Plastic fibre optic cable transports the information
from the sensor bar to the display to provide complete
electrical isolation for the components inside the
tank. The fibre optic light level is ten times higher
than required, so the fibre can be cut with a knife
for easy installation; no polishing or special
preparation is required.
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The 809 display is powered by a lithium battery with a
10 year life. The LCD is large enough to allow display
viewing from up to 15 feet away. For easy night
viewing, the 809 has a light behind the LCD which is
powered by 12V truck power.
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The gauge calibration is programmed during
installation with either the 816 or 916 programmer.
The calibration can be done in inches of level, or in
any volume unit desired, as long as a calibration
table (volume vs. depth) is available for the tank.
The display has four digits, allowing better than 1/4
% accuracy on the readout.
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The SpillStop and alarm outputs on the 809 are
programmed with the 916 programmers during
installation, and can be altered at a later date if
desired. An overfill warning feature permits a simple
alarm to be operated and then bypassed by pressing a
switch on the front of the display. The alarm will
automatically reset when the tank is empty.
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The SeeLeveL gauge can be used with other Garnet
products to improve safety, economy, and convenience.
The SpillStop overfill prevention system provides an
automatic horn warning and pump shut down to prevent
spills when loading with truck mounted PTO driven
pumps. The MultiRack rack controller provides optic
and thermistor loading rack control to permit loading
at rack controlled facilities.
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