Fluid Components International FR73B Manual General Information - Manual (Page 2)

FLUID COMPONENTS INTL CHAPTER 1 - GENERAL INFORMATION
Model FR78B Flow Switch/Monitor 1 - 2 Doc. No. 06EN003281 Rev. -
• Sensing/Flow Element Ranges
Water: 0.08 to 2.25 cc/sec
Oil:
0.05 to 25 cc/sec
Air: 4.0 to 1500cc/sec
• Adjustable Response Time
1 to 150 seconds
• Process Connection
1/4 inch x 2 inch (6.4 x 50mm) long tubing,
.0028 (7mm) wall thickness, .53 inches (13.5mm)
total length. 3/8 inch (9.5mm) and 1/2 inch
(12.7mm) tubing available
• In-line Sensor Assembly Body Length
5.3 inches (1.35mm); Customer specified body
lengths available
• Enclosure Classification
Standard: No enclosure; Optional control circuit
enclosure is Feralloy epoxy coated and resists the
effects of weather and corrosion. NEMA and CSA
Type 4 (meets IP66)
• Sensing/Flow Element
Operating Conditions
Temperature: -100 to 350°F (-73 to 176°C)
Pressure: To 1000 psig [69 bar (g)]
Repeatability: 1% of full scale range at constant
process conditions
• Input Power
115 ±15 or 230 ±30 Vac 50/60 Hz; or 22 to 30 Vdc,
6 Watts
• Relay Contacts
DPTD, rating is 2 amps at 115 Vac and 24 Vdc or
1 amp at 230 Vac. Coil de-energized at no-flow
(default) or de-energized at flow (field selectable)
• Material of Construction
All wetted surfaces are 316 series stainless steel with
nickel braze per process specifications AMS 4777.
Optional wetted surface material customer specified
Specifications