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9
Technical data
The technical data of customized versions may differ from the data in these instructions.
Please observe the information specified on the type plate.
9.1 Characteristics FMG70B
Type
FMG71B
FMG72B
FMG73B
Measurement device characteristics
Measuring range
0.13…8 GPM
0.26…16 GPM
1.3…66 GPM
Accuracy *
1
(Frequency output)
±1.5% of reading ±0.3% of full scale value
Repeatability *
1
1%
Output signal starting from
~0.11 GPM
~0.24 GPM
~1.06 GPM
Response time
(frequency / fre analog)
< 500 ms / < 800 ms
Flow indication
LED green, flow proportional flashing
Output signal characteristics
Frequency output:
Pulse rate [pulses/gal]
- optional*
2
2,000
4…7,500
1,000
4…3,700
250
4…750
Resolution [gal/pulse]
- optional*
2
0.0005
0.26…0.0001
0.001
0.26…0.0003
0.005
0.26…0.0013
Signal shape
Square wave signal • duty cycle 50:50
Push-
Pull • NPN open collector (o.c.) • PNP o.c.
Signal current
≤ 100 mA, current limited
Analog output 4…20 mA (optional):
Signal current corresponding
flow of *
3
0…5 GPM
•
0…8 GPM
0…10 GPM
•
0…16 GPM
0…50 GPM
•
0…66 GPM
maximum load
250 Ω to GND
Analog output 0…10 V (optional):
Signal voltage corresponding
flow of *
3
0…5 GPM
•
0…8 GPM
0…10 GPM
•
0…16 GPM
0…50 GPM
•
0…66 GPM
Electrical characteristics
Supply voltage
24 V
DC
±10%
Current consumption
≤ 150 mA
Electrical connection
5-pin plug M12x1
Degree of protection
(EN 60529)
IP 65 (with attached coupling socket)
*1 Test conditions: Water 73.4 °F at 150 ±100 µS/cm; Standard impulse rate.
*2 factory setting.
*3 other range on request.
Summary of Contents for FMG70B Series
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