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Model FC Mass Flow Computer
Brand: Niagara MetersThe FC Flow Computer satisfies the instrument requirements for a variety of flowmeter types in liquid, gas, steam and heat applications.
Multiple flow equations are available in a single instrument with many advanced features. Includes equations for most flow meter types.
The alphanumeric display offers measured parameters in easy to understand format. Manual access to measurements and display scrolling is supported.
The various hardware inputs and outputs can be “soft” assigned to meet a variety of common application needs.
The user “soft selects” the flowmeter type and the usage of each input/output while configuring the instrument.
Consider the following illustrative examples.
The isolated Analog output can be chosen to follow the volume flow, corrected volume flow, mass flow, heat flow, temperature, pressure, or density by means of a menu selection.
Most hardware features are assignable by this method.
The user can assign the standard RS-232 Serial Port for external data logging, transaction printing, or for connection to a modem for remote meter reading.
A Service or Test mode is provided to assist the user during start-up system check out by monitoring inputs and exercising outputs.
The system setup can also be printed
Specifications
Brand
Accuracy
- 0.05 % of Full Scale at 20° C (68° F)
- Temperature Accuracy: ± 0.5° C (± 0.9° F)
- Temperature, Pressure, Density Input, Analog Input: 0.02 % of Full Scale at 20° C (68° F)
Alarm
- Relay Output: High/Low
Applications
- Gases
- Heating Applications
- Liquid
- Steam
Approvals & Certifications
- CE
- CSA
- UL
- VDE
Communication
- Serial Communication: RS-232
Consumption
- Power Consumption (AC): 6.5 VA (6.5 W)
- Power Consumption (DC): 300 mA - Max.
Current
- Real Time Clock: 0-20 mA Stacked
- Real Time Clock: 4-20 mA Stacked
Display
- 2 Lines of 20-Character
- Backlit LCD & VFD
- Character Size: 0.3” (7.62 mm) Nominal
Electrical Rating
- 5 A at 240 V
Enclosure, Body Material
- Plastic, UL 94V-0, Flame Retardant
Environmental Protection
- IP66
- Keypad Rating: Sealed to NEMA 4
Excitation Voltage
- 24 Vdc at 100 mA (Fault Protected with Self Resetting Fuse)
Frequency
- Pulse Input (Count Speed): 0 to 50 kHz
Humidity
- 0 to 95 % Relative Humidity, Non-Condensing
Input
- High Level Input (Logic Off): 0-2 Vdc
- High Level Input (Logic On): 2.5-30 Vdc
- Temperature, Pressure, Density Input: 0-20 mA
- Temperature, Pressure, Density Input: 4-20 mA
Input Impedance
- 10 kiloohms Nominal
- Input Impedance: 100 kiloohms
Input Power
- Universal AC Power: 85-276 Vrms, 50/60 Hz
Load
- Analog Output: Max.
Media
- Fluid Properties: Air
- Fluid Properties: Natural Gas
- Fluid Properties: Water
Mounting
- Panel
- Wall Mounting
Operating Temperature
- 0° to 50° C (32° to 122° F)
Operation
- Ratiometric
Output
- Isolated Pulse Output (Pulse Output Form, Nominal on Voltage): 24 Vdc
- Isolated Pulse Output (Saturation Voltage): 0.4 Vdc
- Isolated Pulse Output, Max.
Resolution
- Temperature Resolution: 0.1° C
- Temperature, Pressure, Density Input (Basic Measurement Resolution): 16-bit
Sensitivity
- 10 to 100 mV
Sensor, Probe Type
- RTD
Span Effect
- Analog Output (Compliance Effect): < 0.05 % of Span
Storage Temperature
- -40° to 85° C (-40° to 185° F)
Switch Type
- Pulse Output Form: Open Collector NPN Transistor
Thermal Drift
- Temperature Drift: less than 200 ppm/°C
Voltage
- Real Time Clock: 0-10 Vdc