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F-4600 With LCD Flow Meter Manual 06/18 - 2020-3 / 35874 Page 6
NOTE: Specications subject to change without notice
GENERAL SPECIFICATIONS
ACCURACY
FLOW
± 1% of reading over 25:1 turndown
± 2% of reading over 100:1 turndown
Repeatability: ≤ ± 0.2%
OVERALL FLOW RANGE
500:1 turndown
SENSING METHOD
Direct beam path wetted ultrasonic sensors utilizing
differential transit time velocity measurement
METER SIZES (Nominal diameter in inches)
½, ¾, 1, 1¼, 1½, 2 and 2½
PIPING SYSTEM CONNECTIONS
Male NPT threads
2½” meter provided with ANSI Class 150 raised face
anges
Optional PN16 or ANSI Class 300 raised face anges
FLUID TEMPERATURE RANGE
32°F to 250°F
AMBIENT TEMPERATURE RANGE
-13°F to 131°F
MAXIMUM OPERATING PRESSURE
400 PSI
PRESSURE DROP
Less than 1 psi at 4 ft/sec, decreasing at lower velocities
POWER SUPPLY REQUIREMENTS
20-28V AC/DC, 50/60 Hz, 5 VA maximum
PULSE INPUTS, OUTPUTS, and ANALOG OUTPUT
The three 2-wire signal ports can be congured as pulse inputs or
outputs. One of the ports can be congured as an analog output.
Isolated totalizing pulse inputs for use with sinking open
collector or dry contact outputs
Input rating: 30 VDC, 10 mA maximum
Pulse duration: 50 ms minimum
Isolated totalizing solid state contact closure pulse outputs may
be programmed for energy, volume, alarm indication or coil
indication (MODBUS RTU only)
Contact ratings: 50 mA, 30 V
Contact pulse duration: 50, 100, 500 or 1000 ms (500ms
default)
Analog 4-20 mA, 0-5 V or 0-10 V output for ow rate or
temperature
NETWORK CONNECTION
Isolated RS485 serial interface
COMMUNICATION PROTOCOLS
BACnet MS/TP per ASHRAE Standard 135.1: 2009
MODBUSR RTU
NETWORK CONFIGURATION & ADDRESSING
Baud Rates: 4800, 9600, 19200, 38400, 76800, or 115200
Device Address Range: 1 – 127 (1 - 247 MODBUS)
Device Instance Range: 1 – 4,194,303 (BACnet only)
Parity: None, Even, Odd (MODBUS RTU only)
APPROVALS
FCC: Part 15, Subpart B
CE
Conforms to ANSI/NSF 61 & 372
BTL Certied to ASHRAE 135:2009
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