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CHANGING PuLSe RATeS
Setting your Pulse Rate. The pulse rate is determined by which
sensor was ordered from the factory (single reed switch, dual
reed switch, or single Hall-effect) and by the dial on which the
magnet pointer is located. The pointer is set at the factory, but
can be changed in the field as follows.
In the table below: 1) Locate your meter size (Column 1);
Find your desired pulse rate (Column 2); 3) Note the magnet
pointer position (Column 3); 4) Move the magnet pointer to
the appropriate dial position (using the detailed instructions
below the table); 5) Use the appropriate Connection Diagram
(from Column 4) to wire the sensor to your remote device (using
diagrams on page 4).
Col. 1
Col. 2
Pulse
Meter
Rate
Size
*20 P/G
10 P/G
†4 P/G
*2 P/G
3/4"
1 P/G
*5 G/P
10 G/P
*50 G/P
100 G/P
†4 P/G
*2 P/G
1 P/G
1"
*5 G/P
10 G/P
*50 G/P
100 G/P
†4 P/G
*2 P/G
1 P/G
1-1/2"
*5 G/P
10 G/P
*50 G/P
100 G/P
†4 P/G
*2 P/G
1 P/G
2"
*5 G/P
10 G/P
*50 G/P
100 G/P
*These pulse rates available in PT dual reed switch meters only.
†This pulse rate available in PT single reed switch meters only.
moving the magnetic Pointer. Remove meter top and lens,
taking care not to lose the sealing ring. With fingers, lift the
magnet pointer off its shaft and remove the plain pointer from
the target dial. Reverse their positions and press them firmly
into place. Securely seat the sealing ring and replace the lens,
matching the tab on the lens to the notch on the meter to align
the sensor with the magnetic pointer dial. Thread the meter top
on and tighten.
†NOTe: A special magnet (available from the factory) is required
to achieve a rate of 4 pulses per gallon. It should be placed on
the x0.1 dial, with non-magnetic pointers on the remaining dials.
Otherwise, the procedure is the same.
Col. 3
Col. 4
Magnet Pointer
Connection
Dial Position
Diagram #
2
x0.01
x0.01
1
1
x0.1
x0.1
1
x0.1
x1
2
x1
1
x10
2
x10
1
1
x0.1
x0.1
2
x0.1
1
x1
2
x1
1
x10
2
x10
1
x0.1
x0.1
2
x0.1
1
x1
2
x1
1
x10
2
x10
1
x0.1
x0.1
2
x0.1
1
x1
2
x1
1
x10
2
x10
1
Sample Set-up. A 1" meter is shown with the magnet
pointer set at the x10 dial, with a pulse rate of 100 Gal-
lons per Pulse (that is, 10 increments on the x10 dial, or
10x10=100 Gal/Pulse).
2)
25mm
40˚C
2
Special Configurations.
U.S. GALLONS
20mm
40˚C
The 3/4" meter has a fourth dial,
as shown above. The x0.01 dial is
1
used for 20 P/G and 10 P/G rates.
Note: The 3/4" meter has a 5 digit
totalizer.
Reading your meter. The Total Flow that has passed
through your meter is read by starting at the top of the reg-
ister with the Six-Digit Totalizer, and then reading clockwise
around the small dials. In the example below, the Six-Digit
1
Totalizer reads 13,800 (138 x 100), and the dials read 60
(6 x 10), 2 (2 x 1), and .4 (4 x .1) respectively. The Total
Flow is 13,862.4 gallons.
25mm
40˚C
(NOTE: Disregard the color of the numbers on the totalizer when read-
ing your total.)
The "ones" digit is significant but the fact that it is red is not significant.
X100
U.S. GALLONS
[With the magnet pointer
X0.1
on the x1 dial, the pulse
rate would be 10x1=10
Gal/Pulse. With the mag-
net pointer on the x0.1
dial, the pulse rate would
be 10x.1=1 Gal/Pulse.]
X100
X0.1
The 4 P/G rate requires
a special magnet, placed
on the x0.1 dial, as shown
above.
1 3 8
X100
U.S. GALLONS
X0.1
1" Meter
100 Gal/Pulse
Magnet Pointer
x10 Dial
(10 x 10=100 G/P)
X100
U.S. GALLONS
25mm
40˚C
X0.1
1" Meter
100 Gal/Pulse
Six-Digit Totalizer
(reads 138x100)
x10 Gal Dial
(reads 6x10)
x1 Gal Dial
(reads 2x1)
x0.1 Gal Dial
(reads 4x0.1)
Page 3
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