A-11
Reference Data
Frequency Source
Flowmeter may be commanded to set the frequency to a specified
value between 0 and 10000 Hz.
Low Flow Cutoff
Adjustable over entire flow range. Below selected value, output is
driven to 4 mA and zero pulse output frequency (in the scaled pulse
mode only).
Humidity Limits
Operates in 0–95% relative humidity under noncondensing conditions
(tested to IEC 770, Section 6.2.11).
Overrange Capability
Analog signal output continues to 105 percent of span, then remains
constant with increasing flow. The digital and pulse outputs will
continue to indicate flow up to the upper sensor limit of the flowmeter
and a maximum frequency of 10400 Hz.
Flow Calibration
Meter bodies are flow-calibrated and assigned a unique calibration
factor (K-factor) at the factory. The calibration factor is entered into the
electronics, enabling interchangeability of electronics and/or meter
bodies without calculations or compromise in accuracy.
PHYSICAL
SPECIFICATIONS
NACE Compliance
Meets the requirements of NACE (National Association of Corrosion
Engineers) Standard MR-01-75 (96)
Electrical Connections
1
/2 –14 NPT, PG 13.5, or M20 1.5 conduit threads; screw terminals
provided for 4–20 mA and pulse output connections; communicator
connections permanently fixed to terminal block.
Non-Wetted Materials
Housing
Low-copper aluminum
(NEMA 4X, CSA Type 4X, IP66)
Paint
Polyurethane
Cover O-rings
Buna-N
Flanges
316/316L lap joint
Process-Wetted Materials
Meter Body
316L wrought stainless and CF-3M cast stainless or C-22
®
and
C-276 wrought Hastelloy
®
or CX2MW and CW12MW cast Hastelloy.
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