Product specifications – Dynasonics Fusion Water Flow Meter User Manual
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Description
Specification
Input Voltage
12-30 VDC @ 100 mA Max; Class 2 Supply
Flow Range 
 1-Inch 
0.7—60 GPM [24-2057 BPD] 
3-230 LPM [0.18-13.8 M3/H] 
Accuracy
1% of Rate over the top 10:1 measuring 
range; 0.1% of full scale at rates less than 
this range
Pressure 
Temperature 
300 PSI [2,070 kPa]
-30 to +160 °F [-34 to +70 °C]
Outputs 
 
 4-20mA 
 Rate Pulse 
 
 
 Total Pulse 
RS485
(FUSION cannot output 4-20mA and Rate Pulse 
simultaneously. Only one can be selected.) 
12-bit; source from DC supply voltage 
0-1,000 Hz; open collector; internal/
external pull-up; TTL square-wave or 
turbine simulation; 50% duty cycle, sink 
100mA max 
Open collector, internal/external pull-up; 
33 mSec duration, sink 100mA max 
1/4-node; 128 drop, Modbus command set 
Rate Units 
Total Units 
GPM, BPD, LPM, M3/H 
GAL, BBL, LIT, M3 
Wetted Materials
316 SS, polyetherimide, Buna-N
Enclosure 
 
Ports
TYPE 4; powder coated aluminum, SS, 
polycarbonate, urethane, PVC 
(2) 1/2” NPSM and (1) 3/4” NPSM
Display
Flow Rate: auto ranging 4-digit LCD 
Flow Total: 8-digit, E-2 to E+3 
Approvals
Class I Division 2 Groups C, D; CSA 22.2 
No. 142 & 213; UL 508, ISA 12.12.01; File 
215035
Protection
Reverse polarity; auto-reset polyfuse; 
transient voltage suppression 
PRODUCT SPECIFICATIONS
