Fluke 719PRO-300G Product Manual - Page 30

Electric Pump Considerations, Measure Pressure, Vacuum should not be applied to any

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719PRO Users Manual Electric Pump Considerations The Product uses a small, battery-powered pneumatic pump that can quickly build rated high pressure. Because the pump has an upper pressure generation limit, there may be atmospheric conditions where it cannot go to fullscale pressure. High-altitude use (about 3000 ft or 1000 meters), or use at cold temperatures, can limit the pump to about 90 % of its rated pressure. In these cases, the vernier adjustment can be used to supply additional pressure necessary if full-scale pressure must be supplied. In these situations, start the calibration with the vernier in the full counter-clockwise position and then, when the electric pump reaches its limit, turn the vernier clockwise. This will raise the pressure to set the necessary reading. See Figure 3. 20 Measure Pressure To measure pressure, connect the Product with the correct fitting. Select a pressure setting for the display that is used. The Product has one internal sensor and many optional external sensors (EPMs) are available. Make sure to choose the sensor based on working pressures and accuracy. Warning To prevent personal injury: • Pressure sensors can be damaged and/or personnel injury can occur due to improper application of pressure. Refer to Table 9 for information on overpressure and burst pressure ratings. Vacuum should not be applied to any gauge pressure sensor. The Product display shows "OL" when an inappropriate pressure is applied. If "OL" is shown on any pressure display, the pressure should be reduced or vented immediately to prevent Product damage or possible personnel injury. "OL" is shown when the pressure exceeds 110 % of the nominal range of the sensor or when a vacuum in excess of 2 PSI is applied on gauge range sensors. • Push Z to zero the pressure sensor when vented to atmospheric pressure. MyFlukeStore Shop for Fluke products online at: www. .com 1.888.610.7664

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719PRO
Users Manual
20
Electric Pump Considerations
The Product uses a small, battery-powered pneumatic
pump that can quickly build rated high pressure. Because
the pump has an upper pressure generation limit, there
may be atmospheric conditions where it cannot go to full-
scale pressure. High-altitude use (about 3000 ft or
1000 meters), or use at cold temperatures, can limit the
pump to about 90 % of its rated pressure. In these cases,
the vernier adjustment can be used to supply additional
pressure necessary if full-scale pressure must be
supplied.
In these situations, start the calibration with the vernier in
the full counter-clockwise position and then, when the
electric pump reaches its limit, turn the vernier clockwise.
This will raise the pressure to set the necessary reading.
See Figure 3.
Measure Pressure
To measure pressure, connect the Product with the
correct fitting. Select a pressure setting for the display
that is used. The Product has one internal sensor and
many optional external sensors (EPMs) are available.
Make sure to choose the sensor based on working
pressures and accuracy.
Warning
To prevent personal injury:
•
Pressure sensors can be damaged
and/or personnel injury can occur due to
improper application of pressure. Refer
to Table 9 for information on
overpressure and burst pressure ratings.
Vacuum should not be applied to any
gauge pressure sensor. The Product
display shows “OL” when an
inappropriate pressure is applied. If “OL”
is shown on any pressure display, the
pressure should be reduced or vented
immediately to prevent Product damage
or possible personnel injury. “OL” is
shown when the pressure exceeds 110 %
of the nominal range of the sensor or
when a vacuum in excess of 2 PSI is
applied on gauge range sensors.
•
Push
Z
to zero the pressure sensor
when vented to atmospheric pressure.
Shop for Fluke products online at:
1.888.610.7664
www.
MyFlukeStore
.com