Omega FMG90B Series, User Manual, Page: 16 / 24

Technical data FMG90B Series
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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 FMG90B
Type
FMG93B FMG96B FMG98B FMG915B FMG920B FMG925B
Measurement device characteristics
Flow range [gpm] 0.026…0.53 0.066…1.3 0.26…5.3 0.66…13.2 1.3…53 3.3…66
Accuracy* ±0.7 % of reading ±0.3 % of range
Repeatability ±1%
Output signal starting
from [gpm]
0.013 0.026 0.07 0.27 0.53 1.32
Max. flow rate [gpm] 0.66 1.58 6.6 15.8 63.4 79.2
Response time < 100 ms
Indication LED green, flow proportional flashing
Output signal characteristics
Frequency output:
- Pulse rate / K-Factor
[pulses/gal]
30000 15000 3000 1500 750 300
- Resolution [ml/pulse] 0.1 0.25 1.0 2.5 5.0 12.5
- Signal shape Square wave signal • duty cycle 50:50
Push-Pull • NPN open collector • PNP open collector
- Signal current ≤ 100 mA
Electrical characteristics
Supply voltage 12...24 V
DC
(±10 %)**
Power consumption Max 3.6 W
Electrical protection
measures
short-circuit proof • protected against polarity reversal
Electrical connection 4-pin plug M12x1
Degree of protection
(EN 60529)
IP 65 (only with a connected coupling)
Process variables
Medium to measure Water and other conductive liquids
- Conductivity
> 20 μ S/cm
- Temperature
14…140 °F (non-freezing)
Ambient temperature 41…140 °F
Storage temperature 5…140 °F
Inner diameter 0.12 in 0.31 x
0.08 in
0.31 in 0.55 in 0.71 in 0.98 in
Max. working pressure
(at … °F)
145 psi (68 °F) • 116 psi (104 °F) • 87 psi (140 °F)
higher pressure ratings on request
Process connection
- male thread
⅜” NPT ½” NPT ¾” NPT 1” NPT 1¼” NPT
* test conditions: Water 73 °F
** Voltage output 0.5…10 V only available with 16…24 VDC