Alemite 343684 Руководство по установке и обслуживанию - Страница 5

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Use and maintenance

Operation*

Fluid enters the inlet port (either end of the
meter) and passes through the metering
chamber. The force of the fluid causes the
internal gear assembly to rotate and forces
the fluid to exit through the outlet port.
Each full rotation of the gear assembly
displaces a given volume of fluid. Controlled
clearances between the gears and chamber
wall minimize leakage. One gear in the
assembly contains two magnets; one at each
end of the gear. See Fig. 4, page 6.
NOTE
Install a 40-micron or finer filter at the
inlet side of these meters.
Failure to comply may result in
damage to system, damage to
components, jammed gears, or
inaccurate readings.
These magnets activate a reed switch in
the switch module to open and close.
Contact closures from the switch are
transmitted as a signal to the remote batch
controller.
This transmitter is normally connected to
fluid managament metering systems that
have scaling capabilities and that can accept
a reed switch pulse.
Typical application is the Enterprise Fluid
Inventory Control and Management System
that accurately tracks, monitors and
dispenses fluids in vehicle service
applications.
*
Indicates change.

Pulse meter specifications

Pressure range
Operating temperature
Reed switch rating
Flow rate (343683)
1)
Flow rate (343684)
2)
Wiring
Pulses per
1)
DTE-25 motor oil at ambient temperature
Water at ambient temperature
2)
Indicates change.
*

Fluid solenoid flow rate

Pressure drop
bar
psi
150
10
9
125
8
7
100
6
75
5
4
50
3
2
25
1
0
0
1
Flow
5
5
5 to 1 500 psi (0.3 to 103 bar)
-10 to +110 °F (-23 to +43 °C)
120 V AC @ 10 watts
0.25 to 8 gal (0.9 to 30 l) ±0.75%
1 to 6 gal (3.8 to 22.7 l) ±1.0%
Not polarity specific
Liter 100
Quart 94.64
Gallon 378.5
150 ssu oil at 104 °F (40 °C)
2
3
4
5
Gallons per minute
10
15
Liters per minute
Table 1*
Diagram 1
6
7
20
25