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Series 220/221 Instruction Manual Appendix A Specifications
IM-22 A-3
Power Requirements Loop powered, 12 to 36 VDC.
Output Signals Analog: field rangeable linear, 4-20 mA output signal, 1000 ohms
maximum loop resistance, selected by user for volumetric flow rate
or mass flow rate.
Pulse: field rangeable volume/pulse output for totalization is a 50-
millisecond duration pulse operating a solid-state relay capable of
switching 40 VDC, 40 mA maximum.
Display Alphanumeric 2 x 16 LCD digital display.
Six push buttons (up, down, right, left, enter, exit) operable either di-
rectly on the display panel or with a hand-held magnet through the
display glass of the explosion-proof enclosure.
Viewing at 90° mounting intervals.
Totalizer Based on user-determined flow units, six significant figures in scien-
tific notation. Total stored in non-volatile memory.
Wetted Materials Series 220 In-Line Flow Meter:
316L stainless steel standard.
C276 hastelloy or A105 carbon steel optional.
Series 221 Insertion Flow Meter:
316L stainless steel standard.
Teflon
®
packing gland below 500° F (205° C).
Graphite packing gland above 500° F (205° C).
Enclosure NEMA 4X cast enclosure.
Electrical Ports Two 3/4-inch female NPT ports.
Mounting Connections Series 220: Wafer or 150, 300, 600 lb ANSI flange.
Series 221 Permanent installation: 2-inch MNPT; 150, 300, 600 lb
ANSI flange with compression fitting probe seal.
Series 221 Hot Tap
(1)
Installation: 2-inch MNPT; 150, 300, 600 lb
ANSI flange and optional retractor with packing gland probe seal.
Note: (1) Removable under line pressure.
Mounting Position
(1)
Series 220 In-Line Flow Meter: No effect.
Series 221 Insertion Flow Meter: Meter must be perpendicular
within ± 5° of the pipe centerline.
Note: (1) For liquid applications, pipeline must remain full at all
times.
Certifications Construction Inspection ( ANSI/ASME B31.3).
Materials (NACE MR-01-75[90]).
CE and FM approved.
CSA, CENELEC approval pending.
FM approvals:
Class I, Division 1, Groups B, C, & D, T6 at Tamb = 60°C
Class II/III, Division 1, Groups E, F, & G
IP66, NEMA 4X