Design, Assembly and Service Manual
Page 32 of 44
Induction flow meter FMG600 series
Menu:
Output function, depress / Output 1 (2) function, depress / Pulses for |Q|, depress .
The display will read “Pulse width [1] xxx“. Move the cursor using push-button , and increase/decrease the
values at various “x” positions using push-buttons or , respectively. Replace xxx by a figure which,
when multiplied by 10, will give the pulse width in ms. Depress . The display will read “Value entered
Press any key”. Press any key, preferably . The display will then show the message “Gap length [1] xxx“.
Move the cursor using push-button , and increase/decrease the values using push-buttons or ,
respectively. Replace xxx by a figure which, when multiplied by 10, will give the gap length in ms. Depress
. The display will read “Value entered Press any key”. Press any key, preferably . The display will then
show the message “Volume per pulse [1] xxxxxxx“. Move the cursor using push-button , and
increase/decrease the “x” values using push-buttons or , respectively. Replace xxxxxxx by a figure
equal to the desired fluid volume per pulse. This figure is elsewhere referred to as the impulse constant or
impulse number. Depress . The display will read “Value entered Press any key”. Press any key,
preferably . This will return the display to the menu items “Output 1 function” or Output 2 function”. To
return to the basic menu, depress push-button .
Pulse number selection for FMG600 SERIES
Dimension Qmax Imp.number
Qmax
coefficient Imp.number
Inches (DN) l/s
l/imp
GPM
gallon/imp.
½ “ 15
1.8
1
28.53058
3.785412
1
¾ “ 20
3.33
1
52.78157
3.785412
1
1“ 25
5
1
79.25161
3.785412
1
- 32
8.33
5
132.03318
3.785412
1
1½“ 40
12.5
5
198.12903
3.785412
1
2“ 50
20
5
317.00644
18.92706
5
- 65
33.33
10
528.29124
18.92706
5
3“ 80
50
10
792.51611
18.92706
5
4“ 100
77.77
50
1232.67956
18.92706
5
- 125
119.44
50
1893.16249
37.85412
10
6“ 150
180.55
50
2861.77568
37.85412
10
8“ 200
319.4
100
5062.59292
189.2706
50
10“ 250
500
100
7925.16112
189.2706
50
12“ 300
700
500 11095.22557
189.2706
50
1 gallonUS = 3.785412 l
0.264172037 gall = 1 l
pulse width = 100 ms
15.85032224 gall/min = 60 l/min
minimum gap length = 100 ms
f <= 5Hz
Impulse number selection for FMG600 SERIES for sensors Tri Clover
Dimension Qmax Imp.number
Qmax
coefficient Imp.number
Inches mm l/s
l/imp
GPM
gallon/imp.
½ “ 12.70
0.6940
1
11.0001
3.7854
1
¾ “ 19.05
1.9483
1
30.8812
3.7854
1
1“ 25.40
3.8360
1
60.8018
3.7854
1
1½“ 38.10
9.5115
5
150.7603
3.7854
1
2“ 50.80 17.7205
5
280.8756
18.9270
5
2½“ 63.50 28.4631
10
451.1493
18.9270
5
