Emerson Process Management
Austin, TX 78754
Jan 10, 2008 DL8000 microprocessor-based batch delivery controller calculates flow for custody transfer using average measured product flow rates, measured temperature, pressure, and density to achieve measurement of flow at standard conditions. Double-precision math computations are enabled by Fisher® ROC-Series remote operations controller technology. Unit can be configured for different batch loading applications using ROCLINK(TM)800 software and is fully programmable for PLC tasks.

Novar Controls Corp.
Copley, OH 44321
Jun 10, 2004 VAV-4040 Variable Air Volume/Variable Volume and Temperature Controller utilizes Belimo® damper actuator. VVT mode allows damper output to reverse its action in response to supplied air temperature. Module features on-board differential pressure airflow sensor, air quality compensation/ventilation override, and pressure-independent/dependent control. It also provides staged reheat control and tri-state or 2–10 Vdc modulating reheat control.

Key Instruments
Trevose, PA 19053-3428
Dec 20, 2002 Series 8500 Optaflow® Controller combines noncontact optical sensors and electromechanical features to set and monitor flow control functions. Tracking mode adjusts unit's control valve to maintain preset flow parameters and integrated alarm provides audible and visual signal. Units include remote PC interface via RS 232/485. Liquid models are calibrated for water and contain 1 manual bleed valve. Gas models offers selectable calibration of 6 gases.

Alemite Corporation
Charlotte, NC 28226 3515
Aug 19, 2002 ACCU-GUARD II Compact controls up to 6 products to 6 dispensing points, and can be programmed for quarts, gallons, or liters. It controls tank totals and reorder levels, providing stock inventory with ±1% accuracy. Alphanumeric controller gives user choice of specifying entry options according to job, registration, vehicle ID or fleet number. System prints receipt for every transaction from its ticket printer or other RS232 compatible printer.