Great Plains Industries FM-300U Manuale d'uso - Pagina 3
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2. When handling hazardous chemicals,
always follow the chemical manu-
facturer's safety precautions. Wear
protective clothing such as goggles,
gloves, and respirators, as instructed.
3. To avoid damage, DO NOT blow
compressed air through the meter.
Your electronic disc meter is designed
for measuring a wide range of chemicals.
The meter translates flow data from the
nutator disc into calibrated units shown
on the meter's readout. A field replace-
able battery provides power.
BEFORE INSTALLATION
Upon receipt, examine your meter for
visible damage. Remove protective plugs
and caps for a thorough inspection. If any
items are damaged or missing, contact
your distributor.
CAUTION
To avoid damage, DO NOT blow
compressed air through the meter.
If the meter is located in a rigid piping
system where the fluid is trapped (for
example, by gravity, valves or nozzles)
thermal expansion of the fluid can create
pressure spikes that can damage a meter.
Install a thermal relief valve or otherwise
allow for thermal expansion of the fluid.
Connect Battery
To save power, this meter is shipped with
the battery disconnected. Before using,
connect the battery using the instruc-
tions below:
1. Remove the two large and two small
screws from the battery coverplate
located on the lower portion of the
meter face.
2. Remove the battery and plug into
battery connections. When con-
nected properly, numbers appear in
the meter readout.
3. Replace the gasket and battery
cover and tighten securely. Torque
the screws to 9 to 10 in. lbs.
INSTALLATION
NOTE: To avoid damage to the inlet
and outlet, install this meter ONLY
on plastic hose end or pipe fittings.
1. To protect against leakage, seal all
threads with two or three turns of
thread tape or a pipe thread seal-
ant compatible with the liquid being
measured. Make sure the thread
tape or sealant does not interfere
with flow.
2. Hand-tighten the meter onto the fit-
tings until snug. (Figure 1)
CAUTION
To avoid damage to the housing,
DO NOT use a wrench.
BEFORE EACH USE
If the meter has been used before, make
sure it is flushed and cleaned as outlined
in the Maintenance Section.
Press and release the DISPLAY button to
ensure the meter is operating. Numbers
will display from the last use.
Figure 1
3