AccuFlo Valve-Tronic™ Series

AccuFlo Valve-Tronic™ Series - Flow Controllers


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FLOW CONTROL & MEASUREMENT

The AccuFlo Valve-Tronic™ series is designed for use in highly demanding industrial applications that require accurate flow control and measurement. It can function as a stand-alone controller for basic applications or become an integral part of a process control system for automatic flow control. Temperature / Pressure compensation for real-time flow correction is standard with the AccuFlo Valve-Tronic™. This ensures the most accurate flow measurement possible.

Model AccuFlo VTO is a proven orifice design.
Model AccuFlo VTL is a high accuracy Laminar flow element with high turndown ratio up to 1:50.
LCD display provides easy-to-read indication of operation values, parameters and faults.

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  • Large LCD display provides vital information such as actual flow rate, totalized flow, valve position, alarms, and diagnostic messages
  • Field Verification/calibration possible
  • Simple and intuitive programming menus
  • Field programmable engineering units
  • Configurable to control based on rate of flow or valve position for applications where the Process Variable (PV) is Dew-point, Carbon Potential, etc.
  • Standard Modbus TCP for easy integration with control systems
  • Temperature / Pressure compensation for added accuracy
  • Manual actuation of value possible
  • Easy to install
  • Ideal for customers who need to control and data log flow rates for compliance to NADCAP, AMS2750D, or CQI 9
  • Advanced polynomial calibration for high accuracy over the entire range of the meter
  • Built-in Web Server with remote access to device
  • Full PID setpoint control
  • Configurable flow alarms
  • Calibration in state-of-art ISO/IEC 17025:2005 accredited laboratory
  • Annealing
  • Carburizing
  • Gas Blending
  • Neutral Hardening
  • Nitriding
  • Sintering
  • All gas types and mixtures
  • Liquids including water, alcohol, and methanol
  • If you are unsure of the gas or liquid compatibility of your application, please contact your UPC representative.
  • Remote access to the device via web browser, no special software required
  • Intuitive web interface
  • Several access levels with passwords
  • Access up-to-the-minute information on the current flow, totalized flow, PID feedback, valve position, current mode, errors, and much more
  • Easy setup of parameters
  • Built-in event log viewer for troubleshooting
  • Logs export to CSV format
  • Save, upload, back up and restore configuration files
  • Option to upload configuration files to multiple controllers
Power requirements:24VDC +/- 5 %, 1.0 Amps max.; regulated
Inputs:1 analog, 2 digital
Outputs:1 x analog, sourcing 4 – 20 mA(R<500 Ohm)
3 x digital, 0.5 Amp @ 24 VDC
Setpoint Input Signal:Isolated 4-20mA
Flow/Totalized Output Signal:Isolated 4-20mA
Ambient Temperature (ambient):0°C to 65°C (32°F to 140°F)
Ambient Temperature (storage):-20°C to 80°C (-4°F to 176°F)
Relative Humidity:20% to 95% (non-condensing)
Altitude:Up to 2000 m (6561 ft.) above the sea level
SCALE: Model S: 4-400 CFH (0.1-3 m3/hr)
Model M: 10-1500 CFH (0.3-42 m3/hr)
Model L: 150-18,000 CFH (4-510 m3/hr)
Turndown Ratio: VT Orifice: 10:1
VT Laminar: 25:1
VT Rotameter: 12:1
Accuracy: VT Orifice: 4.0%
VT Laminar: 2.0%
VT Rotameter: 4.0%
Max Operating Pressure: 30 PSIG (2 barg)
Pressure Drop VT Orifice: 10” W.C. (25 mbar)
VT Laminar: 10” W.C. (25 mbar)
VT Rotameter: 2” W.C. (5 mbar)
Recommended Diff. Pressure: VT Orifice: >1 PSI (28” W.C)
VT Laminar: >1 PSI (28” W.C)
VT Rotameter: >0.5 PSI (14” W.C.)