Open Collector - Omega FMG3000 SERIES User Manual

Blind version magmeter
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8. Wiring the FMG-3001 and FMG-3101 with Frequency output
The FMG-3001 and FMG-3101 Magmeters output an open collector frequency signal.
A 10 KΩ pull up resistor must be connected between terminals 1 and 2 if the magmeter is used with third-party equipment..
Blue Jumper
ON
Frequency
Magmeter
Not used
4
Ground
3
Frequency Out
2
1
Install a pull-up resistor when connecting the
Magmeter to other manufacturer's flowmeters.
9. Calibration Data: K-factors* and Full Scale Current Values
Metal Installation Fittings
Iron Saddles
PIPE SIZE
(IN.)
SCH 80 IRON SADDLE ON SCH 80 PIPE
2
3
4
5
6
8
10
12
SCH 80 IRON SADDLE ON SCH 40 PIPE
2
3
4
5
6
8
10
12
6
Magmeter
4
3
5-24 VDC
FITTING
TYPE
FP-5320GI
FP-5325GI
FP-5330GI
FP-5340GI
FP-5350GI
FP-5360GI
FP-5380GI
FP-5381GI
FP-5382GI
FP-5320GIS
FP-5325GI
FP-5330GI
FP-5340GI
FP-5350GI
FP-5360GI
FP-5380GI
FP-5381GI
FP-5382GI
FP90 Flow Transmitter
Not used
4
Ground
9
3
Frequency
8
2
5-24 VDC
7
1
K-Factor
K-Factor
Gallons
Liters*
194.85
51.48
142.28
37.59
87.53
23.13
40.62
10.73
29.28
7.74
22.30
5.89
12.52
3.31
7.94
2.10
5.65
1.49
185.35
48.97
127.47
33.68
76.62
20.24
40.23
10.63
27.32
7.22
19.71
5.21
11.61
3.07
7.36
1.94
5.18
1.37
Connect AUX power on
the FP90 to provide the
power to the FMG3000
Sensr Gnd

OPEN COLLECTOR

(SHIELD)
output.
Sensr IN
(RED)
Sensr V+
(BLACK)
20 mA=
20 mA=
in GPM
in LPM
153.96
582.75
210.86
798.10
342.72
1297.20
738.58
2795.54
1024.43
3877.48
1345.58
5093.03
2395.41
9066.64
3778.75
14302.5
5311.45
20103.8
161.85
612.61
235.36
890.83
391.54
1481.99
745.72
2822.57
1098.24
4156.83
1521.92
5760.46
2584.23
9781.30
4078.8
15438.2
5793.39
21927.9

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